2022-03-28 01:25:53,195 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:25:53,988 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/0 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:25:53,990 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:25:54,001 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:25:54,009 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:25:54,103 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:25:54,106 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:25:54,765 WARN [Thread-101] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 3 (Retries exhausted) 2022-03-28 01:25:56,664 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/839] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:25:56,667 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://blockstream.info:700, reconnecting to another server... 2022-03-28 01:25:56,667 ERROR [ElectrumServerReadThread] c.s.s.n.TcpTransport [null:-1] Error opening socket inputstream java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getInputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.readInputLoop(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$ReadRunnable.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:25:57,494 WARN [Thread-101] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 4 (Retries exhausted) 2022-03-28 01:25:58,058 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/1279-m/0/1444] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:25:58,059 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:25:58,537 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/19] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:25:58,538 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:25:59,708 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:26:00,586 WARN [Thread-101] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 5 (Retries exhausted) 2022-03-28 01:26:00,644 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:26:00,647 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://bitcoin.lukechilds.co:50002, reconnecting to another server... 2022-03-28 01:26:00,762 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:26:00,764 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:26:03,448 WARN [Thread-121] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 5 (Retries exhausted) 2022-03-28 01:26:03,719 WARN [Thread-101] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 10 (Retries exhausted) 2022-03-28 01:26:04,054 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/1279-m/0/1444] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:04,056 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:26:04,212 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/839] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:04,213 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:26:05,709 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:26:05,802 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/19] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:05,803 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:26:07,080 WARN [Thread-134] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 3 (Retries exhausted) 2022-03-28 01:26:07,192 WARN [Thread-101] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 25 (Retries exhausted) 2022-03-28 01:26:08,104 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:26:08,105 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://bitcoin.lukechilds.co:50002, reconnecting to another server... 2022-03-28 01:26:08,393 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:26:08,395 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://blockstream.info:700, reconnecting to another server... 2022-03-28 01:26:09,738 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:26:09,739 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:26:09,796 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:26:09,796 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:26:09,806 WARN [Thread-121] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 10 (Retries exhausted) 2022-03-28 01:26:10,296 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/19] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:10,298 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:26:10,298 ERROR [ElectrumServerReadThread] c.s.s.n.TcpTransport [null:-1] Error opening socket inputstream java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getInputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.readInputLoop(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$ReadRunnable.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:26:11,021 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/1279-m/0/1444] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:11,022 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:26:11,039 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/1279 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:26:11,040 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://bitcoin.lukechilds.co:50002, reconnecting to another server... 2022-03-28 01:26:11,193 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/839] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:11,194 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:26:13,382 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/0 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:13,384 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://blockstream.info:700, reconnecting to another server... 2022-03-28 01:26:13,523 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:26:13,806 WARN [Thread-121] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 25 (Retries exhausted) 2022-03-28 01:26:13,993 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:26:14,155 WARN [Thread-134] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 4 (Retries exhausted) 2022-03-28 01:26:16,099 WARN [Thread-171] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 10 (Retries exhausted) 2022-03-28 01:26:19,943 WARN [Thread-171] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 25 (Retries exhausted) 2022-03-28 01:26:20,458 WARN [Thread-134] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 5 (Retries exhausted) 2022-03-28 01:26:25,907 WARN [Thread-134] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 10 (Retries exhausted) 2022-03-28 01:26:31,240 WARN [Thread-134] c.s.s.n.SimpleElectrumServerRpc [null:-1] Failed to retrieve fee rate for target blocks: 25 (Retries exhausted) 2022-03-28 01:26:53,684 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:26:53,686 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:26:53,775 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:26:53,776 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:26:55,741 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/839] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:55,743 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:26:56,485 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:26:56,488 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://blockstream.info:700, reconnecting to another server... 2022-03-28 01:26:56,522 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/0 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:26:56,523 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:26:57,127 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:26:57,725 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/1279-m/0/1444] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:57,726 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:26:57,756 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/1279-m/0/1444] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:26:57,757 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://blockstream.info:700, reconnecting to another server... 2022-03-28 01:26:58,866 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/19] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:26:58,868 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:27:00,280 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:27:00,282 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:27:00,374 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:27:00,375 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:27:00,876 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/0 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:27:00,878 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://bitcoin.lukechilds.co:50002, reconnecting to another server... 2022-03-28 01:27:00,897 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/0 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:27:00,898 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.blockstream.info:50002, reconnecting to another server... 2022-03-28 01:27:02,086 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/0 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:27:02,087 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:27:03,482 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:27:03,483 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.bitaroo.net:50002, reconnecting to another server... 2022-03-28 01:27:03,576 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.Socket.getOutputStream()" because "this.socket" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted 2022-03-28 01:27:03,577 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:27:03,732 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/1279-m/0/1444] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 18 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:27:03,734 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://bitcoin.lukechilds.co:50002, reconnecting to another server... 2022-03-28 01:27:03,974 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:27:05,249 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Could not determine payment codes for wallet wLock_BC11111.mv - Copy (5)-Deposit com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$PaymentCodesService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.PagedBatchRequestBuilder.execute(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.BatchedElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 12 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder.execute(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 18 common frames omitted 2022-03-28 01:27:05,546 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to path: m/0/0 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.sparrowwallet.sparrow.net.ServerException: Retries exhausted 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.RetryLogic.getResult(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.subscribeScriptHashes(Unknown Source) 	... 14 common frames omitted Caused by: java.lang.IllegalStateException: I/O error during a request processing 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeRequest(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeAndConvert(Unknown Source) 	at simple.json.rpc.client@1.0/com.github.arteam.simplejsonrpc.client.builder.RequestBuilder.executeNullable(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.SimpleElectrumServerRpc.lambda$subscribeScriptHashes$6(Unknown Source) 	... 16 common frames omitted Caused by: java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getOutputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.writeRequest(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.pass(Unknown Source) 	... 20 common frames omitted 2022-03-28 01:27:05,548 ERROR [ElectrumServerReadThread] c.s.s.n.TcpTransport [null:-1] Error opening socket inputstream java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getInputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.readInputLoop(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$ReadRunnable.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:27:05,548 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://blockstream.info:700, reconnecting to another server... 2022-03-28 01:27:05,549 ERROR [ElectrumServerReadThread] c.s.s.n.TcpTransport [null:-1] Error opening socket inputstream java.net.SocketException: Socket is closed 	at java.base/sun.security.ssl.SSLSocketImpl.getInputStream(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.TcpTransport.readInputLoop(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$ReadRunnable.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:27:07,146 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.sparrowwallet.drongo.wallet.Wallet.getStoredBlockHeight()" is null 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getAddressNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransactionHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService$1.call(Unknown Source) 	at javafx.graphics/javafx.concurrent.Task$TaskCallable.call(Unknown Source) 	at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$6(Unknown Source) 	at java.base/java.security.AccessController.doPrivileged(Unknown Source) 	at javafx.graphics/javafx.concurrent.Service.lambda$executeTask$7(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 	at java.base/java.lang.Thread.run(Unknown Source) 2022-03-28 01:27:07,150 WARN [JavaFX Application Thread] c.s.s.AppServices [null:-1] Failed to fetch wallet history from ssl://electrum.emzy.de:50002, reconnecting to another server... 2022-03-28 01:27:07,250 ERROR [JavaFX Application Thread] c.s.s.w.WalletForm [null:-1] Error retrieving wallet history com.sparrowwallet.sparrow.net.ServerException: Failed to subscribe to paths: [m/0/0-m/0/2886] 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.subscribeWalletNodes(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer.getHistory(Unknown Source) 	at com.sparrowwallet.sparrow@1.6.2/com.sparrowwallet.sparrow.net.ElectrumServer$TransactionHistoryService.getTransa