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Posted to issues@activemq.apache.org by "Gary Tully (Jira)" <ji...@apache.org> on 2019/09/20 09:22:00 UTC

[jira] [Created] (AMQ-7308) Virtual Topic concurrent send with JMX consumer queue deletion can lead to kahaDb leak

Gary Tully created AMQ-7308:
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             Summary: Virtual Topic concurrent send with JMX consumer queue deletion can lead to kahaDb leak
                 Key: AMQ-7308
                 URL: https://issues.apache.org/jira/browse/AMQ-7308
             Project: ActiveMQ
          Issue Type: Bug
          Components: JMX, KahaDB
    Affects Versions: 5.15.0
            Reporter: Gary Tully
            Assignee: Gary Tully
             Fix For: 5.16.0


With a fast producer on a virtual topic, a jmx op to remove a consumer queue will succeed but it is possible that an inflight send will recreate the kahadb message store and accept the message, which will never be consumed. This message will subsequently prevent cleanup/gc of in kahadb leading to excessive disk usage.



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