MessageListenerServlet does not clear the timer on destroy
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Key: AMQ-3514
URL: https://issues.apache.org/jira/browse/AMQ-3514
Project: ActiveMQ
Issue Type: Bug
Affects Versions: 5.5.0
Reporter: Johannes
Priority: Trivial
Hi,
we are debugging a shutdown problem using the activemq-web-console deployed
into jetty.
It seems as if everything is terminated as expected, apart from a TimerThread
which logs to the console about every minute.
05 Jul 2011 09:03:19,246 DEBUG [Timer-1]
org.apache.activemq.web.MessageListenerServlet.debug() -- Cleaning up expired
web clients.
Tracing down the problem indicated one possible cause.
The web-console package declares the AjaxServlet to send messages via the web
to the broker, it extends MessageListenerServlet.
The init() mehtod of the MessageListenerServlet schedules task
clientCleanupTimer.schedule( new ClientCleaner(), 5000, 60000 );
but the timer (clientCleanupTimer) is never canceled and according to the
javadoc of Timer this can prevent the JVM from shutting down cleanly.
Patch attached
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