Intermittent failure: client gets NPE in ejbremote scenario ------------------------------------------------------------- Key: WFLY-6312 URL: https://issues.jboss.org/browse/WFLY-6312 Project: WildFly Issue Type: Bug Components: Clustering Affects Versions: 10.0.0.Final Reporter: Michal Vinkler Assignee: Paul Ferraro Seen in a scenario: ejb-ejbremote-shutdown-repl-async Approx. 20 seconds after perf18 was restarted (after previous graceful shutdown), client logged thi NPE seven times. No error occurred on any of the servers during that time. {code} 2016/02/25 19:23:11:869 EST [ERROR][Runner - 633] HOST perf17.mw.lab.eng.bos.redhat.com:rootProcess:c - Error getting response. <java.lang.NullPointerException> java.lang.NullPointerException at org.jboss.remoting3.remote.OutboundMessage$2.getKey(OutboundMessage.java:173) at org.jboss.remoting3.remote.OutboundMessage$2.getKey(OutboundMessage.java:171) at org.jboss.remoting3.remote.IntIndexHashMap.doGet(IntIndexHashMap.java:507) at org.jboss.remoting3.remote.IntIndexHashMap.containsKey(IntIndexHashMap.java:169) at org.jboss.remoting3.remote.RemoteConnectionChannel.writeMessage(RemoteConnectionChannel.java:313) at org.jboss.ejb.client.remoting.ChannelAssociation.acquireChannelMessageOutputStream(ChannelAssociation.java:281) at org.jboss.ejb.client.remoting.RemotingConnectionEJBReceiver.processInvocationInternal(RemotingConnectionEJBReceiver.java:295) at org.jboss.ejb.client.remoting.RemotingConnectionEJBReceiver.access$100(RemotingConnectionEJBReceiver.java:77) at org.jboss.ejb.client.remoting.RemotingConnectionEJBReceiver$2.run(RemotingConnectionEJBReceiver.java:282) at java.security.AccessController.doPrivileged(Native Method) at org.jboss.ejb.client.remoting.RemotingConnectionEJBReceiver.processInvocation(RemotingConnectionEJBReceiver.java:279) at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:184) at org.jboss.ejb.client.EJBObjectInterceptor.handleInvocation(EJBObjectInterceptor.java:58) at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:186) at org.jboss.ejb.client.EJBHomeInterceptor.handleInvocation(EJBHomeInterceptor.java:83) at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:186) at org.jboss.ejb.client.TransactionInterceptor.handleInvocation(TransactionInterceptor.java:42) at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:186) at org.jboss.ejb.client.ReceiverInterceptor.handleInvocation(ReceiverInterceptor.java:138) at org.jboss.ejb.client.EJBClientInvocationContext.sendRequest(EJBClientInvocationContext.java:186) at org.jboss.ejb.client.EJBInvocationHandler.sendRequestWithPossibleRetries(EJBInvocationHandler.java:255) at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:200) at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:183) at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:146) at com.sun.proxy.$Proxy2.getSerialAndIncrement(Unknown Source) at org.jboss.smartfrog.clustering.ejb3.StatefulSBProcessorFactoryImpl$EJB3RequestProcessor.processRequest(StatefulSBProcessorFactoryImpl.java:84) at org.jboss.smartfrog.loaddriver.CompoundRequestProcessorFactoryImpl$CompoundRequestProcessor.processRequest(CompoundRequestProcessorFactoryImpl.java:52) at org.jboss.smartfrog.loaddriver.Runner.run(Runner.java:103) at java.lang.Thread.run(Thread.java:745) {code} Client link: http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-failover-ejb-e...