Alexander Belyak created IGNITE-6817:
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Summary: 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
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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