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From "andyyuan (Jira)" <j...@apache.org>
Subject [jira] [Created] (FLUME-3343) ConcurrentModificationException occurs in SpillableMemoryChannel
Date Thu, 29 Aug 2019 07:37:00 GMT
andyyuan created FLUME-3343:
-------------------------------

             Summary: ConcurrentModificationException occurs in SpillableMemoryChannel
                 Key: FLUME-3343
                 URL: https://issues.apache.org/jira/browse/FLUME-3343
             Project: Flume
          Issue Type: Bug
    Affects Versions: 1.9.0
            Reporter: andyyuan


Hi,

If The logger is enabled for the DEBUG level.

SpillableMemoryTransaction.doCommit() method will invoke drainOrder.dump()。

the ArrayDequeue is not Thread safety。the  drainOrder.dump() will throw  ConcurrentModificationException
in Concurrent Conditions。



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