[jboss-as7-dev] NPE in AS7.1.0 org.jboss.as.clustering

[Paul Ferraro]

It can happen if an rpc arrives after the CoreGroupCommunicationService 
is stopped.  I'll have a pull request for this today.

On 16/03/12 20:37, William DeCoste wrote:
> Not sure why it's happening, but I can recreate it reasably often in
> Express.
>
> Thanks
>
> On 3/16/12 7:57 AM, Paul Ferraro wrote:
>> https://issues.jboss.org/browse/AS7-4200
>> Thanks,
>>
>> Paul
>>
>> On 15/03/12 13:25, William DeCoste wrote:
>>> Hi Paul,
>>>
>>> I don't see anything in JIRA for the exception below. I've run into this
>>> a few times testing AS7.1.0. Please let me know if you want me to open a
>>> JIRA.
>>>
>>> Thanks -Bill
>>>
>>> 2012/03/15 13:17:24,568 INFO
>>> [org.jboss.as.clustering.impl.CoreGroupCommunicationService.web]
>>> (VERIFY_SUSPECT.TimerThread,web,c9fc3ab485-bdecoste8.dev.rhcloud.com/web)
>>> JBAS010254:
>>> Suspected member: 7c4425909e-bdecoste8.dev.rhcloud.com/web
>>> 2012/03/15 13:17:25,327 ERROR
>>> [org.jboss.as.clustering.impl.CoreGroupCommunicationService.web]
>>> (Incoming-6,null) JBAS010245: ViewAccepted failed:
>>> java.lang.NullPointerException
>>> at
>>> org.jboss.as.clustering.impl.CoreGroupCommunicationService$ClusterNodeFactoryImpl.getClusterNode(CoreGroupCommunicationService.java:1643)
>>>
>>> [jboss-as-clustering-impl-7.1.0.Final.jar:7.1.0.Final]
>>> at
>>> org.jboss.as.clustering.impl.CoreGroupCommunicationService.translateAddresses(CoreGroupCommunicationService.java:1268)
>>>
>>> [jboss-as-clustering-impl-7.1.0.Final.jar:7.1.0.Final]
>>> at
>>> org.jboss.as.clustering.impl.CoreGroupCommunicationService$GroupView.<init>(CoreGroupCommunicationService.java:1359)
>>>
>>> [jboss-as-clustering-impl-7.1.0.Final.jar:7.1.0.Final]
>>> at
>>> org.jboss.as.clustering.impl.CoreGroupCommunicationService.processViewChange(CoreGroupCommunicationService.java:1168)
>>>
>>> [jboss-as-clustering-impl-7.1.0.Final.jar:7.1.0.Final]
>>> at
>>> org.jboss.as.clustering.impl.CoreGroupCommunicationService$MembershipListenerImpl.viewAccepted(CoreGroupCommunicationService.java:1717)
>>>
>>> [jboss-as-clustering-impl-7.1.0.Final.jar:7.1.0.Final]
>>> at
>>> org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.handleUpEvent(MessageDispatcher.java:506)
>>>
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at
>>> org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:545)
>>>
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at
>>> org.jboss.as.clustering.jgroups.ClassLoaderAwareUpHandler.up(ClassLoaderAwareUpHandler.java:56)
>>>
>>> [jboss-as-clustering-jgroups-7.1.0.Final.jar:7.1.0.Final]
>>> at
>>> org.jgroups.blocks.mux.MuxUpHandler.passToAllHandlers(MuxUpHandler.java:156)
>>>
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.blocks.mux.MuxUpHandler.up(MuxUpHandler.java:123)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at
>>> org.jboss.as.clustering.jgroups.MuxChannel$ClassLoaderAwareMuxUpHandler.up(MuxChannel.java:64)
>>>
>>> [jboss-as-clustering-jgroups-7.1.0.Final.jar:7.1.0.Final]
>>> at org.jgroups.JChannel.up(JChannel.java:716)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1026)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.FRAG2.up(FRAG2.java:181)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.FlowControl.up(FlowControl.java:418)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.FlowControl.up(FlowControl.java:418)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.pbcast.GMS.installView(GMS.java:625)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at
>>> org.jgroups.protocols.pbcast.CoordGmsImpl.handleViewChange(CoordGmsImpl.java:247)
>>>
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.pbcast.GMS.up(GMS.java:784)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:244)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.UNICAST2.up(UNICAST2.java:383)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at
>>> org.jgroups.protocols.pbcast.NAKACK.handleMessage(NAKACK.java:730)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.pbcast.NAKACK.up(NAKACK.java:559)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.BARRIER.up(BARRIER.java:126)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:140)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.FD.up(FD.java:273)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.MERGE2.up(MERGE2.java:205)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.Discovery.up(Discovery.java:354)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.stack.Protocol.up(Protocol.java:358)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.TP.passMessageUp(TP.java:1174)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at org.jgroups.protocols.TP$4.run(TP.java:1097)
>>> [jgroups-3.0.4.Final.jar:3.0.4.Final]
>>> at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>>>
>>> [rt.jar:1.6.0_22]
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>>>
>>> [rt.jar:1.6.0_22]
>>> at java.lang.Thread.run(Thread.java:679) [rt.jar:1.6.0_22]
>>>
>>
>