[Building Sakai] Tomcat not shutting down properly

[Adams, David]

We've seen this behavior for years. I find it amusing that Aaron's name is in the culprit class. Nevertheless we just have our shutdown script check to see if tomcat is stopped at intervals and kill it after a reasonable amount of time (we've settled on about 15 seconds). It only has to resort to that about half of the time I'd guess. There don't seem to be any ill effects from this forced shutdown. Most everything has shutdown correctly by then, but we've been running that way for years.

On Mar 27, 2012, at 11:03 AM, "Brian Jones" <bjones86 at uwo.ca> wrote:

> Community,
> 
> Recently we here at Western University polled the community for existing
> certification tools for Sakai. Rsmart was kind enough to provide their
> certification tool as contrib.
> 
> We've tested deploying this tool on our local and dev environments and
> noticed something troubling. In a nutshell, after deploying the tool, it
> causes Tomcat to be unable to shut down properly. It's always waiting for
> some threads that are waiting for something.
> 
> Please find attached two files, one outlining the test plan which verified
> the certification tool as the culprit, the second a thread dump. I noticed
> in the thread dump there are two suspicious entries:
> 
> . "SakaiPresenceService.Maintenance"
> . "org.azeckoski.reflectutils.refmap.Finalizer"
> 
> But I can't find any references to these objects/packages/methods in any the
> code of either rsmart-common or the certification tool itself. We're kind of
> at a loss as to how to track this issue down, or what to do to resolve it.
> If anyone in the community, or at Rsmart, has an ideas we would be extremely
> appreciative.
> 
> Thanks in advance, 
> 
> Brian Jones
> Applications Development
> Information Technology Services
> Support Services Building, Room 4326
> University of Western Ontario
> (519) 661-2111 x86969
> bjones86 at uwo.ca
> 
> <Test Plan.txt>
> <threadDump.log>
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