Hello,
Problem solved by changing Quartz scheduler version to 1.8.3.
Thanks for the help.
On Fri, Aug 13, 2010 at 9:24 PM, Christopher Schultz <
ch...@christopherschultz.net> wrote:
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> Ivan,
>
> On 8/13/2010 6:45 AM, Ivan Mladenović wrote:
> > I define ServletContextListener (create my implementation of this
> listener
> > and define this listener in web.xml). In method contextDestroyed I try to
> > shutdown all of the schedulers in following way:
> >
> > ApplicationContext context = (ApplicationContext)
> > sce.getServletContext().getAttribute(WebApplicationContext.*
> > ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE*);
>
> I don't recognize the above, but I suppose you know what you are doing.
>
> > scheduler = (StdScheduler) context.getBean("scheduler");
> >
> > cbcInterfaceScheduler.shutdown(*true*);
>
> Are these the same object? It looks like you are not shutting-down the
> object you got from the context.
>
> > Boolean parameter means: wait for jobs to complete.
> >
> > I follow the logs, destroy method is called and all schedulers are
> shutdown.
>
> Sounds good.
>
> > When I try to deploy same WAR file again, following error appears in
> > catalina log file:
> >
> > Aug 13, 2010 12:22:54 PM org.apache.catalina.loader.WebappClassLoader
> > clearReferencesThreads
> >
> > SEVERE: The web application [] appears to have started a thread named
> > [scheduler_Worker-8] but has failed to stop it. This is very likely to
> > create a memory leak.
>
> Could that be the old version of the webapp? Try a completely clean
> deployment, then re-deploy and see what happens.
>
> > Aug 13, 2010 12:22:54 PM org.apache.catalina.loader.WebappClassLoader
> > clearReferencesThreads
> >
> > SEVERE: The web application [] appears to have started a thread named
> > [Thread-32] but has failed to stop it. This is very likely to create a
> > memory leak.
>
> This is likely to be some /other/ thread - not scheduling related - that
> your webapp created (note that it has a generic name).
>
> > This is confusing for me because this is shown in log file when I try to
> > deploy application.
>
> Maybe ask the people who wrote the scheduler?
>
> You may have to attach a profiler to the server and observe where these
> threads are actually being created, and what actually happens when you
> call the shutdown() method on your scheduler.
>
> Hope that helps,
> - -chris
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