jetbrick-orm/src/main/java/jetbrick/dao/jdbclog/JdbcLogDriver.java
@Override
    public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException {
        if (drivers.size() == 1) {
            return getFirstDriver().getParentLogger();
        }
        return null;
    }
@Override
    public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException {
        if (drivers.size() == 1) {
            return getFirstDriver().getParentLogger();
        }
        return null;
    }
@ Override public java . util . logging . Logger getParentLogger ( ) throws SQLFeatureNotSupportedException { if ( drivers . size ( ) == 1 ) { return getFirstDriver ( ) . getParentLogger ( ) ; } return null ; }
JDK 1.7
JDK 1 . 7