[infinispan-issues] [JBoss JIRA] (ISPN-8782) Occasional NPE on PersistentUUIDManagerImpl.mapAddresses

[Sanne Grinovero (JIRA)]

Sanne Grinovero created ISPN-8782:
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             Summary: Occasional NPE on PersistentUUIDManagerImpl.mapAddresses
                 Key: ISPN-8782
                 URL: https://issues.jboss.org/browse/ISPN-8782
             Project: Infinispan
          Issue Type: Bug
          Components: Core
            Reporter: Sanne Grinovero
             Fix For: 9.2.0.Final


When running the testsuite I occasionally see stacktraces such as:

23:47:50,649 FATAL (transport-thread-RetryMechanismTest[null, tx=false]-NodeT-p64820-t5) [PersistentUUIDManagerImpl] Cannot find mapping for address RetryMechanismTest[null, tx=false]-NodeT-51212 java.lang.NullPointerException
	at org.infinispan.topology.PersistentUUIDManagerImpl.mapAddresses(PersistentUUIDManagerImpl.java:70)
	at org.infinispan.topology.ClusterCacheStatus.startQueuedRebalance(ClusterCacheStatus.java:824)
	at org.infinispan.topology.ClusterCacheStatus.queueRebalance(ClusterCacheStatus.java:125)
	at org.infinispan.partitionhandling.impl.PreferAvailabilityStrategy.onPartitionMerge(PreferAvailabilityStrategy.java:232)
	at org.infinispan.topology.ClusterCacheStatus.doMergePartitions(ClusterCacheStatus.java:597)
	at org.infinispan.topology.ClusterTopologyManagerImpl.lambda$recoverClusterStatus$6(ClusterTopologyManagerImpl.java:519)
	at org.infinispan.executors.LimitedExecutor.runTasks(LimitedExecutor.java:144)
	at org.infinispan.executors.LimitedExecutor.access$100(LimitedExecutor.java:33)
	at org.infinispan.executors.LimitedExecutor$Runner.run(LimitedExecutor.java:174)


They seem harmless as it seems like the test results aren't affected, but it's still looking quite bad. Would be best if someone had a look.



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