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Posted to issues@ignite.apache.org by "Alexander Belyak (JIRA)" <ji...@apache.org> on 2017/11/02 08:08:00 UTC
[jira] [Updated] (IGNITE-6817) CME in
GridCacheIoManager.cacheHandlers access
[ https://issues.apache.org/jira/browse/IGNITE-6817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexander Belyak updated IGNITE-6817:
-------------------------------------
Priority: Major (was: Trivial)
> CME in GridCacheIoManager.cacheHandlers access
> ----------------------------------------------
>
> Key: IGNITE-6817
> URL: https://issues.apache.org/jira/browse/IGNITE-6817
> Project: Ignite
> Issue Type: Bug
> Security Level: Public(Viewable by anyone)
> Components: general
> Affects Versions: 2.1
> Reporter: Alexander Belyak
> Priority: Major
>
> Got exception:
> {noformat}
> java.util.ConcurrentModificationException: null
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
> at java.util.HashMap$EntryIterator.next(HashMap.java:1471)
> at java.util.HashMap$EntryIterator.next(HashMap.java:1469)
> at org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:355)
> at org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:304)
> at org.apache.ignite.internal.processors.cache.GridCacheIoManager.access$100(GridCacheIoManager.java:99)
> at org.apache.ignite.internal.processors.cache.GridCacheIoManager$1.onMessage(GridCacheIoManager.java:293)
> at org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1562)
> at org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1190)
> at org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:126)
> at org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1097)
> at org.apache.ignite.internal.util.StripedExecutor$Stripe.run(StripedExecutor.java:505)
> at java.lang.Thread.run(Thread.java:748)
> {noformat}
> becouse in GridCacheIoManager.handleMessage access to GridCacheIoManager.cacheHandles protected by GridCacheIoManager.rw.readLock, but in GridCacheIoManager.addHandler same collection modify without rw.writeLock accuiring and idxClsHandlers is just HashMap in GridCacheioManager.MessageHandlers class.
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