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Posted to dev@pig.apache.org by "Gleb Smirnov (JIRA)" <ji...@apache.org> on 2015/06/15 16:25:01 UTC

[jira] [Created] (PIG-4603) Classloader leak in SpillableMemoryManager

Gleb Smirnov created PIG-4603:
---------------------------------

             Summary: Classloader leak in SpillableMemoryManager
                 Key: PIG-4603
                 URL: https://issues.apache.org/jira/browse/PIG-4603
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.15.0
            Reporter: Gleb Smirnov


In the constructor of {{SpillableMemoryManager}}, a {{NotificationListener}} is added to the {{MemoryMXBean}}. This listener is never removed, even if the application is re-deployed.

This results in the instance {{SpillableMemoryManager}} being still reachable after a redeploy. This results in its class being reachable, which results in the classloader being reachable, along with all the classes in it.

This leads to metaspace OutOfMemoryErrors.



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