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Bug
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Resolution: Done
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Major
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6.0.0.Final
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None
AdvancedAsyncCacheLoader.process() calls advancedLoader().process() to collect all the keys in the store, but the HashSet used to collect the keys it not thread-safe. This can cause problems, e.g. during state transfer:
WARN cheTopologyControlCommand | ISPN000071: Caught exception when handling command CacheTopologyControlCommand{cache=sessions, type=CH_UPDATE, sender=alfie-lt-46127, joinInfo=null, topologyId=3, currentCH=DefaultConsistentHash{numSegments=60, numOwners=1, members=[alfie-lt-46127]}, pendingCH=null, throwable=null, viewId=1}java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:926)
at java.util.HashMap$KeyIterator.next(HashMap.java:960)
at org.infinispan.persistence.async.AdvancedAsyncCacheLoader.process(AdvancedAsyncCacheLoader.java:80)
at org.infinispan.persistence.manager.PersistenceManagerImpl.processOnAllStores(PersistenceManagerImpl.java:414)
at org.infinispan.statetransfer.StateConsumerImpl.invalidateSegments(StateConsumerImpl.java:910)
at org.infinispan.statetransfer.StateConsumerImpl.onTopologyUpdate(StateConsumerImpl.java:393)
at org.infinispan.statetransfer.StateTransferManagerImpl.doTopologyUpdate(StateTransferManagerImpl.java:178)
at org.infinispan.statetransfer.StateTransferManagerImpl.access$000(StateTransferManagerImpl.java:38)
at org.infinispan.statetransfer.StateTransferManagerImpl$1.updateConsistentHash(StateTransferManagerImpl.java:100)
at org.infinispan.topology.LocalTopologyManagerImpl.handleConsistentHashUpdate(LocalTopologyManagerImpl.java:191)
at org.infinispan.topology.CacheTopologyControlCommand.doPerform(CacheTopologyControlCommand.java:152)
at org.infinispan.topology.CacheTopologyControlCommand.perform(CacheTopologyControlCommand.java:124)
at org.infinispan.topology.ClusterTopologyManagerImpl$3.run(ClusterTopologyManagerImpl.java:606)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
