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Type: Bug
Resolution: Done
Priority: Blocker
Fix Version/s: 1.0.4.Final
Affects Version/s: None
Labels:
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CDW blocker:
Git Pull Request:
https://github.com/wildfly/wildfly-naming-client/pull/43, https://github.com/wildfly/wildfly-naming-client/pull/44
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When running an EJB client which uses scoped context or legacy jboss-remote-naming API to invoke secured EJBs, a NPE occurs.
Additionally, in the case with jboss-remote-naming legacy API, after this exception is logged, the client thread freezes (in the scoped context case, the exception propagates to the client thread).
This is a regression in 7.1.0.CR2. Reproducer attached.

Full stack trace for the case of scoped context:

Exception in thread "main" org.jboss.ejb.client.RequestSendFailedException: EJBCLIENT000409: No more destinations are available
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:568)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:504)
	at org.jboss.ejb.protocol.remote.RemotingEJBClientInterceptor.handleInvocationResult(RemotingEJBClientInterceptor.java:56)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:570)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:504)
	at org.jboss.ejb.client.DiscoveryEJBClientInterceptor.handleInvocationResult(DiscoveryEJBClientInterceptor.java:115)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:570)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:504)
	at org.jboss.ejb.client.NamingEJBClientInterceptor.handleInvocationResult(NamingEJBClientInterceptor.java:76)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:570)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:504)
	at org.jboss.ejb.client.TransactionInterceptor.handleInvocationResult(TransactionInterceptor.java:86)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:570)
	at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:504)
	at org.jboss.ejb.client.EJBClientInvocationContext.awaitResponse(EJBClientInvocationContext.java:916)
	at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:165)
	at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:100)
	at com.sun.proxy.$Proxy2.hello(Unknown Source)
	at client.Client.main(Client.java:30)
	Suppressed: org.jboss.ejb.client.RequestSendFailedException: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed:
   DIGEST-MD5: java.lang.NullPointerException
		at org.jboss.ejb.protocol.remote.RemoteEJBReceiver$1.handleFailed(RemoteEJBReceiver.java:98)
		at org.jboss.ejb.protocol.remote.RemoteEJBReceiver$1.handleFailed(RemoteEJBReceiver.java:71)
		at org.xnio.IoFuture$HandlingNotifier.notify(IoFuture.java:215)
		at org.xnio.AbstractIoFuture$NotifierRunnable.run(AbstractIoFuture.java:720)
		at org.jboss.remoting3.EndpointImpl$TrackingExecutor.lambda$execute$0(EndpointImpl.java:926)
		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
		at java.lang.Thread.run(Thread.java:748)
	Caused by: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed:
   DIGEST-MD5: java.lang.NullPointerException
		at org.jboss.remoting3.remote.ClientConnectionOpenListener.allMechanismsFailed(ClientConnectionOpenListener.java:109)
		at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:446)
		at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:242)
		at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
		at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
		at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
		at org.xnio.nio.WorkerThread.run(WorkerThread.java:571)
		at ...asynchronous invocation...(Unknown Source)
		at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:570)
		at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:536)
		at org.jboss.remoting3.ConnectionInfo$None.getConnection(ConnectionInfo.java:83)
		at org.jboss.remoting3.ConnectionInfo.getConnection(ConnectionInfo.java:56)
		at org.jboss.remoting3.EndpointImpl.doGetConnection(EndpointImpl.java:487)
		at org.jboss.remoting3.EndpointImpl.getConnectedIdentity(EndpointImpl.java:433)
		at org.jboss.remoting3.UncloseableEndpoint.getConnectedIdentity(UncloseableEndpoint.java:51)
		at org.jboss.remoting3.Endpoint.getConnectedIdentity(Endpoint.java:122)
		at org.jboss.ejb.protocol.remote.RemoteEJBReceiver.lambda$getConnection$1(RemoteEJBReceiver.java:174)
		at java.security.AccessController.doPrivileged(Native Method)
		at org.jboss.ejb.protocol.remote.RemoteEJBReceiver.getConnection(RemoteEJBReceiver.java:174)
		at org.jboss.ejb.protocol.remote.RemoteEJBReceiver.processInvocation(RemoteEJBReceiver.java:125)
		at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:455)
		at org.jboss.ejb.protocol.remote.RemotingEJBClientInterceptor.handleInvocation(RemotingEJBClientInterceptor.java:51)
		at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:467)
		at org.jboss.ejb.client.DiscoveryEJBClientInterceptor.handleInvocation(DiscoveryEJBClientInterceptor.java:87)
		at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:467)
		at org.jboss.ejb.client.NamingEJBClientInterceptor.handleInvocation(NamingEJBClientInterceptor.java:64)
		at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:467)
		at org.jboss.ejb.client.TransactionInterceptor.handleInvocation(TransactionInterceptor.java:81)
		at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:467)
		at org.wildfly.common.context.Contextual.runExConsumer(Contextual.java:203)
		at org.jboss.ejb.client.EJBClientInvocationContext.sendRequestInitial(EJBClientInvocationContext.java:303)
		at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:161)
		at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:100)
		at com.sun.proxy.$Proxy2.hello(Unknown Source)
		at client.Client.main(Client.java:30)
		Suppressed: java.lang.NullPointerException
			at java.nio.charset.CharsetEncoder.canEncode(CharsetEncoder.java:984)
			at org.wildfly.security.mechanism.digest.DigestUtil.userRealmPasswordDigest(DigestUtil.java:209)
			at org.wildfly.security.sasl.digest.AbstractDigestMechanism.getSaltedPasswordFromTwoWay(AbstractDigestMechanism.java:539)
			at org.wildfly.security.sasl.digest.DigestSaslClient.createResponse(DigestSaslClient.java:231)
			at org.wildfly.security.sasl.digest.DigestSaslClient.evaluateMessage(DigestSaslClient.java:364)
			at org.wildfly.security.sasl.util.AbstractSaslParticipant.evaluateMessage(AbstractSaslParticipant.java:180)
			at org.wildfly.security.sasl.digest.DigestSaslClient.evaluateChallenge(DigestSaslClient.java:349)
			at org.wildfly.security.sasl.util.AbstractDelegatingSaslClient.evaluateChallenge(AbstractDelegatingSaslClient.java:54)
			at org.wildfly.security.sasl.util.PrivilegedSaslClient.lambda$evaluateChallenge$0(PrivilegedSaslClient.java:55)
			at java.security.AccessController.doPrivileged(Native Method)
			at org.wildfly.security.sasl.util.PrivilegedSaslClient.evaluateChallenge(PrivilegedSaslClient.java:55)
			at org.jboss.remoting3.remote.ClientConnectionOpenListener$Authentication.lambda$handleEvent$0(ClientConnectionOpenListener.java:650)
			at org.jboss.remoting3.EndpointImpl$TrackingExecutor.lambda$execute$0(EndpointImpl.java:926)
			at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
			at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)			at java.lang.Thread.run(Thread.java:748)

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JBEAP-13214 NPE during authentication when using scoped context or legacy remote-naming API

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