core/src/main/java/org/springframework/security/authentication/jaas/DefaultJaasAuthenticationProvider.java
@Override
	protected LoginContext createLoginContext(CallbackHandler handler)
			throws LoginException {
		return new LoginContext(getLoginContextName(), null, handler, getConfiguration());
	}
@Override
	protected LoginContext createLoginContext(CallbackHandler handler)
			throws LoginException {
		return new LoginContext(getLoginContextName(), null, handler, getConfiguration());
	}
@ Override protected LoginContext createLoginContext ( CallbackHandler handler ) throws LoginException { return new LoginContext ( getLoginContextName ( ) , null , handler , getConfiguration ( ) ) ; }
Creates a LoginContext using the Configuration that was specified in
{@link #setConfiguration(Configuration)}.
Creates a LoginContext using the Configuration that was specified in {