[infinispan-issues] [JBoss JIRA] (ISPN-2428) ConcurrentModificationException in StateConsumerImpl
Radim Vansa created ISPN-2428:
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Summary: ConcurrentModificationException in StateConsumerImpl
Key: ISPN-2428
URL: https://issues.jboss.org/browse/ISPN-2428
Project: Infinispan
Issue Type: Bug
Components: State transfer
Affects Versions: 5.2.0.Beta2
Reporter: Radim Vansa
Assignee: Adrian Nistor
In StateConsumerImpl.onTopologyUpdate(...) the transfersBySource.keySet() is iterated
while under some conditions transfersBySource.remove(...) is called. As the iterated
keySet is backed by the HashMap itself modifications during iteration are not permitted
and I got
{code}
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894)
at java.util.HashMap$KeyIterator.next(HashMap.java:928)
at
org.infinispan.statetransfer.StateConsumerImpl.onTopologyUpdate(StateConsumerImpl.java:215)
at
org.infinispan.statetransfer.StateTransferManagerImpl.doTopologyUpdate(StateTransferManagerImpl.java:186)
at
org.infinispan.statetransfer.StateTransferManagerImpl.access$000(StateTransferManagerImpl.java:58)
at
org.infinispan.statetransfer.StateTransferManagerImpl$1.updateConsistentHash(StateTransferManagerImpl.java:117)
at
org.infinispan.topology.LocalTopologyManagerImpl.handleConsistentHashUpdate(LocalTopologyManagerImpl.java:194)
at
org.infinispan.topology.CacheTopologyControlCommand.doPerform(CacheTopologyControlCommand.java:165)
at
org.infinispan.topology.CacheTopologyControlCommand.perform(CacheTopologyControlCommand.java:137)
at
org.infinispan.topology.ClusterTopologyManagerImpl$3.call(ClusterTopologyManagerImpl.java:554)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
{code}
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