[jboss-jira] [JBoss JIRA] (AS7-3902) NPE in JGroups on shutting down the server

[Paul Ferraro (JIRA)]

    [ https://issues.jboss.org/browse/AS7-3902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12671050#comment-12671050 ] 

Paul Ferraro commented on AS7-3902:
-----------------------------------

Oops.  Looks like Bela made some changes to the DefaultSocketFactory which the AS decorates to register sockets with the socket binding manager.  It used to contain a map of open sockets, now that map accessor returns null.
                
> NPE in JGroups on shutting down the server
> ------------------------------------------
>
>                 Key: AS7-3902
>                 URL: https://issues.jboss.org/browse/AS7-3902
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 7.1.0.Final
>            Reporter: Radoslav Husar
>            Assignee: Paul Ferraro
>            Priority: Critical
>              Labels: failover_testing
>             Fix For: 7.1.1.Final
>
>
> Ran into while manually playing around.
> 1/ 2 server
> 2/ client requesting session on #1
> 3/ #2 is shut down >
> Preceeding this log is AS7-3180.
> {noformat}
> 17:23:39,763 INFO  [org.infinispan.remoting.transport.jgroups.JGroupsTransport] ISPN000082: Stopping the RpcDispatcher
> 17:23:40,086 SEVERE [org.jgroups.JChannel] failed destroying the protocol stack: java.lang.NullPointerException
> 	at org.jboss.as.clustering.jgroups.ManagedSocketFactory.close(ManagedSocketFactory.java:174) [jboss-as-clustering-jgroups-7.1.0.Final-redhat-1.jar:7.1.0.Final-redhat-1]
> 	at org.jgroups.stack.DiagnosticsHandler.stop(DiagnosticsHandler.java:76) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.protocols.TP.stop(TP.java:1010) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.protocols.UDP.stop(UDP.java:248) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.stack.ProtocolStack.stopStack(ProtocolStack.java:996) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.JChannel.stopStack(JChannel.java:923) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.JChannel.disconnect(JChannel.java:380) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.JChannel._close(JChannel.java:909) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.JChannel.close(JChannel.java:389) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jboss.as.clustering.jgroups.subsystem.ChannelService.stop(ChannelService.java:61) [jboss-as-clustering-jgroups-7.1.0.Final-redhat-1.jar:7.1.0.Final-redhat-1]
> 	at org.jboss.as.clustering.msc.AsynchronousService$2.run(AsynchronousService.java:84) [jboss-as-clustering-common-7.1.0.Final-redhat-1.jar:7.1.0.Final-redhat-1]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_29]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_29]
> 	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_29]
> 17:23:40,090 SEVERE [org.jgroups.JChannel] failed destroying the protocol stack: java.lang.NullPointerException
> 	at java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:922) [rt.jar:1.6.0_29]
> 	at org.jgroups.stack.ProtocolStack.stopStack(ProtocolStack.java:980) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.JChannel.stopStack(JChannel.java:923) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.JChannel._close(JChannel.java:910) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jgroups.JChannel.close(JChannel.java:389) [jgroups-3.0.4.Final-redhat-0-todo.jar:3.0.4.Final]
> 	at org.jboss.as.clustering.jgroups.subsystem.ChannelService.stop(ChannelService.java:61) [jboss-as-clustering-jgroups-7.1.0.Final-redhat-1.jar:7.1.0.Final-redhat-1]
> 	at org.jboss.as.clustering.msc.AsynchronousService$2.run(AsynchronousService.java:84) [jboss-as-clustering-common-7.1.0.Final-redhat-1.jar:7.1.0.Final-redhat-1]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_29]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_29]
> 	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_29]
> {noformat}

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