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Posted to issues@flink.apache.org by "Jelmer Kuperus (JIRA)" <ji...@apache.org> on 2018/01/20 13:24:01 UTC

[jira] [Created] (FLINK-8466) MemoryArchivist holding on to last thrown exception prevents the user code classloader from being garbage collected

Jelmer Kuperus created FLINK-8466:
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             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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