[infinispan-issues] [JBoss JIRA] (ISPN-8933) NullPointerException in StreamResponseCommand

[Pedro Ruivo (JIRA)]

Pedro Ruivo created ISPN-8933:
---------------------------------

             Summary: NullPointerException in StreamResponseCommand
                 Key: ISPN-8933
                 URL: https://issues.jboss.org/browse/ISPN-8933
             Project: Infinispan
          Issue Type: Bug
            Reporter: Pedro Ruivo


{{Cache.isEmpty()}} can fail with timeout with concurrent rebalance.


{code:java}
2018-03-12 11:48:45,699 ERROR (testng-RemoveCounterTest) [org.infinispan.commons.test.TestSuiteProgress] Test failed: org.infinispan.counter.RemoveCounterTest.testCounterManagerNonExistingRemoveWithBounded
org.infinispan.util.concurrent.TimeoutException: null
        at org.infinispan.stream.impl.AbstractCacheStream.performOperationRehashAware(AbstractCacheStream.java:298) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.stream.impl.AbstractCacheStream.performOperation(AbstractCacheStream.java:218) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.stream.impl.DistributedCacheStream.anyMatch(DistributedCacheStream.java:414) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.cache.impl.CacheImpl.isEmpty(CacheImpl.java:438) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.cache.impl.CacheImpl.isEmpty(CacheImpl.java:434) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
{code}

There is a {{NullPointerException}} in {{StreamResponseCommand}} that may be related.

{code:java}
2018-03-12 11:48:30,698 WARN  (remote-thread-RemoveCounterTest-NodeA-p10-t4) [org.infinispan.remoting.inboundhandler.TrianglePerCacheInboundInvocationHandler] ISPN000071: Caught exception when handling command StreamResponseCommand{id=RemoveCounterTest-NodeA-6448335, complete=true, response=null}
java.lang.NullPointerException: null
        at org.infinispan.stream.impl.DistributedCacheStream.lambda$anyMatch$4(DistributedCacheStream.java:414) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.stream.impl.ClusterStreamManagerImpl$RequestTracker.lastResult(ClusterStreamManagerImpl.java:707) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.stream.impl.ClusterStreamManagerImpl.receiveResponse(ClusterStreamManagerImpl.java:410) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.stream.impl.StreamSegmentResponseCommand.invokeAsync(StreamSegmentResponseCommand.java:39) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.remoting.inboundhandler.BasePerCacheInboundInvocationHandler.invokeCommand(BasePerCacheInboundInvocationHandler.java:94) ~[infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.remoting.inboundhandler.BaseBlockingRunnable.invoke(BaseBlockingRunnable.java:99) [infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.remoting.inboundhandler.BaseBlockingRunnable.runAsync(BaseBlockingRunnable.java:71) [infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at org.infinispan.remoting.inboundhandler.BaseBlockingRunnable.run(BaseBlockingRunnable.java:40) [infinispan-core-9.2.1-SNAPSHOT.jar:9.2.1-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_152]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_152]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
{code}

Causes failures in 

{noformat}
RemoveCounterTest.testCounterManagerNonExistingRemoveWithBounded()
{noformat}




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