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From "Jelmer Kuperus (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-8466) MemoryArchivist holding on to last thrown exception prevents the user code classloader from being garbage collected
Date Sat, 20 Jan 2018 13:24:00 GMT
Jelmer Kuperus created FLINK-8466:
-------------------------------------

             Summary: MemoryArchivist holding on to last thrown exception prevents the user
code classloader from being garbage collected
                 Key: FLINK-8466
                 URL: https://issues.apache.org/jira/browse/FLINK-8466
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 1.4.0
            Reporter: Jelmer Kuperus
         Attachments: Screen Shot 2018-01-20 at 1.48.33 PM.png

MemoryArhivist holds on to any number of ArchivedExecutionGraph's these ArchivedExecutionGraph
instances contain a
failureCause field of type ErrorInfo that wrap the exception in case one was thrown to terminate
the job

This exception class will more often than not have been loaded by a user code classloader
and as long as the
MemoryArchivist holds on to this exception the JVM won't be able to reclaim the resources
held by this classloader



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