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From "Marcus Schulte (JIRA)" <j...@apache.org>
Subject [jira] Created: (POOL-122) java.util.Timer in EvictionTimer does not recover from OutOfMemoryError in Evictor
Date Sat, 02 Feb 2008 16:02:16 GMT
java.util.Timer in EvictionTimer does not recover from OutOfMemoryError in Evictor
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                 Key: POOL-122
                 URL: https://issues.apache.org/jira/browse/POOL-122
             Project: Commons Pool
          Issue Type: Bug
    Affects Versions: 1.3
         Environment: any
            Reporter: Marcus Schulte


GenericKeyedObjectPool.Evictor.run() catches and ignores Exceptions, but not Errors, like
OOME. Consequently, when, due to load-peeks an OOME is thrown in the evictor's timer-thread
it dies miserably and no eviction will happen again in any of the pools loaded within the
same class-loader (because the eviction timer is a static member). Also, the creation of evicting
pools will fail with IllegalStateException.

Possible fixes:
   1. catch Throwable in GenericKeyedObjectPool.Evictor.run()
   2. check and eventually re-instantiate the Eviction-Timer.


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