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From "Phillip Odam (JIRA)" <server-...@james.apache.org>
Subject [jira] [Created] (JAMES-1534) JMX connections not being closed
Date Fri, 27 Dec 2013 20:51:50 GMT
Phillip Odam created JAMES-1534:
-----------------------------------

             Summary: JMX connections not being closed
                 Key: JAMES-1534
                 URL: https://issues.apache.org/jira/browse/JAMES-1534
             Project: James Server
          Issue Type: Bug
          Components: CLI
    Affects Versions: Trunk
         Environment: Linux
            Reporter: Phillip Odam


The JmxServerProbe class doesn't offer any way to close the JMX connection. This doesn't present
itself as a problem in how Apache JAMES code uses this class. However in the case where long
running apps use this class, out of memory errors can occur since objects aren't GC'd due
to the hanging connection.

To address this I'd suggest making the following changes
 - have the interface ServerProbe extend java.io.Closeable class
 - make locally declared JMXConnector jmxc variable (in JmxServerProbe's connect method) to
be a private member
 - make the private member MBeanServerConnection mbeanServerConn be local to the connect method
(clean up)
 - implement close method in JmxServerProbe class that calls JMXConnector's close method



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