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From "Daniel Gryniewicz (JIRA)" <server-...@james.apache.org>
Subject [jira] [Created] (IMAP-377) IMAPServer dosen't stop it's HashedWheelTimer on shutdown
Date Mon, 16 Sep 2013 14:02:51 GMT
Daniel Gryniewicz created IMAP-377:
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             Summary: IMAPServer dosen't stop it's HashedWheelTimer on shutdown
                 Key: IMAP-377
                 URL: https://issues.apache.org/jira/browse/IMAP-377
             Project: James Imap
          Issue Type: Bug
          Components: Protocol
         Environment: Linux (arch) with Oracle JDK 6 and eclipse 4.3.0
            Reporter: Daniel Gryniewicz
            Assignee: Eric Charles
            Priority: Minor
         Attachments: IMAPServer-termination.patch

protocols/protocols-imap4/src/main/java/org/apache/james/imapserver/netty/IMAPServer.java,
the IMAPServer class implements createPipelineFactory(), which creates an anonymous ChannelPipelineFactory
class that has, among other things, a HashedWHeelTimer in it.  This timer is never stopped,
causing the JVM to hang on shutdown.

My solution (attached) was to create a private inner class that implements ExternalResourceReleasable,
which causes the pipeline termination code to allow the factory to stop the timer.

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