Qpid
  1. Qpid
  2. QPID-4271

Avoid ThreadLocal leakage etc at shutdown so that Broker behaves better when embedded within Containers

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.19
    • Component/s: Java Broker
    • Labels:
      None

      Description

      Some customers are embedding the Java Broker within application containers such as Tomcat.

      Successive undeploy/redeploy of the component shows warnings highlighting potential ThreadLocal leaks on Container owned threads. For instance, Tomcat reports:

      SEVERE: The web application [/qpid-0.19] created a ThreadLocal with key of type [org.apache.qpid.server.logging.actors.CurrentActor$1] (value [org.apache.qpid.server.logging.actors.CurrentActor$1@661eef2c]) and a value of type [java.util.Stack] (value [[]]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
      SEVERE: The web application [/qpid-0.19] created a ThreadLocal with key of type [org.apache.qpid.framing.AMQShortString$1] (value [org.apache.qpid.framing.AMQShortString$1@7382ab3e]) and a value of type [org.apache.qpid.framing.AMQShortString$1$1] (value [{queue=queue, ping=ping, test-ping=test-ping, test-queue=test-queue}]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
      Aug 28, 2012 4:05:16 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
      

        Activity

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          People

          • Assignee:
            Robbie Gemmell
            Reporter:
            Keith Wall
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            Dates

            • Created:
              Updated:
              Resolved:

              Development