[jboss-jira] [JBoss JIRA] (WFLY-6319) NPE in LocalEjbReceiver.removeClusterNodes during server shutdown

[Richard Achmatowicz (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-6319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13177904#comment-13177904 ] 

Richard Achmatowicz commented on WFLY-6319:
-------------------------------------------

https://github.com/wildfly/wildfly/pull/8780

> NPE in LocalEjbReceiver.removeClusterNodes during server shutdown
> -----------------------------------------------------------------
>
>                 Key: WFLY-6319
>                 URL: https://issues.jboss.org/browse/WFLY-6319
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering, EJB
>            Reporter: Ladislav Thon
>            Assignee: Dmitrii Tikhomirov
>
> In a failover test that passivates sessions to a SQL database (though I think this isn't really relevant much), I've seen a NPE in {{LocalEjbReceiver.removeClusterNodes}}:
> {code}
> 04:09:29,330 WARN  [org.jboss.msc.service.fail] (MSC service thread 1-6) MSC000004: Failure during stop of service jboss.ejb3.localEjbReceiver.value: java.lang.NullPointerException
> 	at org.jboss.as.ejb3.remote.LocalEjbReceiver.removeClusterNodes(LocalEjbReceiver.java:701)
> 	at org.jboss.as.ejb3.remote.LocalEjbReceiver.disassociate(LocalEjbReceiver.java:681)
> 	at org.jboss.ejb.client.EJBClientContext.unregisterEJBReceiver(EJBClientContext.java:446)
> 	at org.jboss.ejb.client.EJBReceiverContext.close(EJBReceiverContext.java:57)
> 	at org.jboss.as.ejb3.remote.LocalEjbReceiver.stop(LocalEjbReceiver.java:410)
> 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:2056)
> 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.run(ServiceControllerImpl.java:2017)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}
> This happens during server shutdown, so it probably doesn't affect anything.
> Logs:
> https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-failover-db-session-shutdown-repl-sync-mysql/42/console-perf21/
> https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-failover-db-session-shutdown-repl-sync-postgresql/7/console-perf20/



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