[infinispan-issues] [JBoss JIRA] Commented: (ISPN-259) Concurrent puts fail with writeSkew

[Manik Surtani (JIRA)]

    [ https://jira.jboss.org/jira/browse/ISPN-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12494225#action_12494225 ] 

Manik Surtani commented on ISPN-259:
------------------------------------

Note that this is unlikely to be related to JBCACHE-1555 at all - completely different issue IMO, just similar effects.

> Concurrent puts fail with writeSkew
> -----------------------------------
>
>                 Key: ISPN-259
>                 URL: https://jira.jboss.org/jira/browse/ISPN-259
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Locking and Concurrency
>    Affects Versions: 4.0.0.CR1
>            Reporter: Galder Zamarreno
>            Assignee: Manik Surtani
>             Fix For: 4.0.0.CR2
>
>
> Similar problem to JBCACHE-1555 is present in Infinispan:
> WriteSkew is detected even if we haven't read any data previously in the transaction. The root cause could be the same as in JBCACHE-1555 but haven't looked into it further yet.
> java.util.concurrent.ExecutionException: org.infinispan.CacheException: Detected write skew on key [k].  Another process has changed the entry since we last read it!
> 	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 	at org.infinispan.api.mvcc.repeatable_read.WriteSkewTest.testWriteSkewWithOnlyPut(WriteSkewTest.java:121)
> Caused by: org.infinispan.CacheException: Detected write skew on key [k].  Another process has changed the entry since we last read it!
> 	at org.infinispan.container.entries.RepeatableReadEntry.copyForUpdate(RepeatableReadEntry.java:56)
> 	at org.infinispan.container.EntryFactoryImpl.wrapEntryForWriting(EntryFactoryImpl.java:158)
> 	at org.infinispan.container.EntryFactoryImpl.wrapEntryForWriting(EntryFactoryImpl.java:105)
> 	at org.infinispan.interceptors.LockingInterceptor.visitPutKeyValueCommand(LockingInterceptor.java:197)
> 	at org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
> 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
> 	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:132)
> 	at org.infinispan.commands.AbstractVisitor.visitPutKeyValueCommand(AbstractVisitor.java:57)
> 	at org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
> 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
> 	at org.infinispan.interceptors.TxInterceptor.enlistWriteAndInvokeNext(TxInterceptor.java:185)
> 	at org.infinispan.interceptors.TxInterceptor.visitPutKeyValueCommand(TxInterceptor.java:132)
> 	at org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
> 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
> 	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:48)
> 	at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:34)
> 	at org.infinispan.commands.AbstractVisitor.visitPutKeyValueCommand(AbstractVisitor.java:57)
> 	at org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
> 	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:269)
> 	at org.infinispan.CacheDelegate.put(CacheDelegate.java:414)
> 	at org.infinispan.CacheDelegate.put(CacheDelegate.java:198)
> 	at org.infinispan.api.mvcc.repeatable_read.WriteSkewTest$EntryWriter.call(WriteSkewTest.java:227)
> 	at org.infinispan.api.mvcc.repeatable_read.WriteSkewTest$EntryWriter.call(WriteSkewTest.java:1)
> 	at java.util.concurrent.FutureTask$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:636)
> ... Removed 22 stack frames

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