[infinispan-issues] [JBoss JIRA] (ISPN-6304) NPE during ClearCommand

[Gustavo Fernandes (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186563#comment-13186563 ] 

Gustavo Fernandes commented on ISPN-6304:
-----------------------------------------

I am closing this as a cannot reproduce it anymore. Please reopen if required.

> NPE during ClearCommand
> -----------------------
>
>                 Key: ISPN-6304
>                 URL: https://issues.jboss.org/browse/ISPN-6304
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 8.2.0.CR1, 8.2.0.Final, 8.1.2.Final
>            Reporter: Gustavo Fernandes
>            Assignee: Dan Berindei
>             Fix For: 9.0.0.Alpha1
>
>
> The logs can be seen on https://travis-ci.org/infinispan/infinispan-hadoop/builds/113090728
> The NPE happens intermittently.
> {code}
> 0:52:28,139 ERROR [org.infinispan.interceptors.InvocationContextInterceptor] (HotRodServerWorker-7-1) ISPN000136: Error executing command ClearCommand, writing keys []: org.infinispan.remoting.RemoteException: ISPN000217: Received exception from node1, see cause for remote stack trace
> 	at org.infinispan.remoting.transport.AbstractTransport.checkResponse(AbstractTransport.java:44)
> 	at org.infinispan.remoting.transport.jgroups.JGroupsTransport.checkRsp(JGroupsTransport.java:796)
> 	at org.infinispan.remoting.transport.jgroups.JGroupsTransport.lambda$invokeRemotelyAsync$83(JGroupsTransport.java:633)
> 	at org.infinispan.remoting.transport.jgroups.JGroupsTransport$$Lambda$46/308539050.apply(Unknown Source)
> 	at java.util.concurrent.CompletableFuture$ThenApply.run(CompletableFuture.java:717)
> 	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:193)
> 	at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2345)
> 	at org.infinispan.remoting.transport.jgroups.SingleResponseFuture.futureDone(SingleResponseFuture.java:30)
> 	at org.jgroups.blocks.Request.checkCompletion(Request.java:162)
> 	at org.jgroups.blocks.UnicastRequest.receiveResponse(UnicastRequest.java:81)
> 	at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:373)
> 	at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:237)
> 	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:695)
> 	at org.jgroups.JChannel.up(JChannel.java:738)
> 	at org.jgroups.fork.ForkProtocolStack.up(ForkProtocolStack.java:120)
> 	at org.jgroups.stack.Protocol.up(Protocol.java:379)
> 	at org.jgroups.protocols.FORK.up(FORK.java:114)
> 	at org.jgroups.protocols.FRAG2.up(FRAG2.java:165)
> 	at org.jgroups.protocols.FlowControl.up(FlowControl.java:392)
> 	at org.jgroups.protocols.FlowControl.up(FlowControl.java:381)
> 	at org.jgroups.protocols.pbcast.GMS.up(GMS.java:1043)
> 	at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:234)
> 	at org.jgroups.protocols.UNICAST3.deliverMessage(UNICAST3.java:1064)
> 	at org.jgroups.protocols.UNICAST3.handleDataReceived(UNICAST3.java:779)
> 	at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:426)
> 	at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:652)
> 	at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:155)
> 	at org.jgroups.protocols.FD_ALL.up(FD_ALL.java:200)
> 	at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:310)
> 	at org.jgroups.protocols.MERGE3.up(MERGE3.java:285)
> 	at org.jgroups.protocols.Discovery.up(Discovery.java:296)
> 	at org.jgroups.protocols.TP.passMessageUp(TP.java:1590)
> 	at org.jgroups.protocols.TP$SingleMessageHandler.run(TP.java:1802)
> 	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)
> Caused by: org.infinispan.commons.CacheException: java.lang.NullPointerException
> 	at org.infinispan.remoting.inboundhandler.GlobalInboundInvocationHandler.handleFromCluster(GlobalInboundInvocationHandler.java:89)
> 	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.executeCommandFromLocalCluster(CommandAwareRpcDispatcher.java:196)
> 	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:166)
> 	at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:402)
> 	at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:352)
> 	... 25 more
> Caused by: java.lang.NullPointerException
> 	at org.infinispan.remoting.inboundhandler.GlobalInboundInvocationHandler.handleCacheRpcCommand(GlobalInboundInvocationHandler.java:126)
> 	at org.infinispan.remoting.inboundhandler.GlobalInboundInvocationHandler.handleFromCluster(GlobalInboundInvocationHandler.java:75)
> 	... 29 more
> {code}



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