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From Elias Kopsiaftis <yemi...@gmail.com>
Subject Re: tomcat randomly undeploys and redeploys the applications
Date Wed, 02 Apr 2014 20:12:04 GMT
Thats very interesting. When you say update, what do you mean technically?


On Wed, Apr 2, 2014 at 4:05 PM, Christopher Schultz <
chris@christopherschultz.net> wrote:

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> Chuck,
>
> On 4/2/14, 8:21 AM, Caldarale, Charles R wrote:
> >> From: Elias Kopsiaftis [mailto:yemista@gmail.com] Subject: tomcat
> >> randomly undeploys and redeploys the applications
> >
> >> I deploy the application, then in the log file catalina.out i get
> >> many messages from WebappClassLoader clearReferencesThreads
> >> saying threads appear to have started but have failed to stop
> >
> > This is an indication that your webapp is not managing its threads
> > properly.
> >
> >> then finally, Ill get a message from HostConfig checkResources
> >> that says its undeploying the context, and then it redeploys.
> >
> > This is sometimes caused by incorrect timestamps on the bits of the
> > webapp that Tomcat monitors, or an incorrect clock setting on the
> > system Tomcat is running on.  The mismatch makes it appear that the
> > webapp is being updated continuously.
>
> I've found that in development, a single update can cause Tomcat to go
> into a loop of redeployments, re-deploying my web application every
> few seconds or so. If I let it go, it does finally stop reloading and
> settle down.
>
> I believe Tomcat will emit a log message informing the administrator
> which file has triggered the reload, but I think it's at the DEBUG log
> level.
>
> - -chris
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