On Thu, Aug 23, 2018, 2:06 AM Christopher Schultz <
ch...@christopherschultz.net> wrote:

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> Bab,
>
> On 8/22/18 9:49 AM, Bab Alemzadeh wrote:
> > I am using Windows Server 2008/2012, datacenter edition. We have
> > installed: KB4338815.
> >
> > So the task gets stuck, it is probably not consuming any CPU. But
> > the memory usage gets stuck. I enclosed the screenshot, this
> > screenshot is AFTER the tomcat service was stopped.
>
> Screenshots are removed messages posting to the list. Please find
> another way to express the status of your system.
>
> > The memory usage is still at 1111,9 MB even though the Tomcat
> > service is completely stopped!
>

Bab,
This is an interesting issue. Couple of questions:

Are you running Tomcats as a published app in Citrix?

After restart, are you seeing another process started on same xenapp
server?Just wondering how is that possible as port is static.

Can you please give more details about the 'stuck' Tomcat process? 3 Thread
dumps in 5sec intervals would be great. From your description it seems that
process entering in hang state. Please use -F switch of jstack to dump
threads.

Are you still able to connect to the hang Tomcat using JMX? What about the
2nd instance, is that accessible via JMX?

Please let us know.

1GiB isn't much for a non-trivial web application.
>
> But please do post a follow-up with an explanation.
>
> - -chris
>
> > On Wed, Aug 22, 2018 at 6:32 AM, Christopher Schultz
> > <ch...@christopherschultz.net
> > <mailto:ch...@christopherschultz.net>> wrote:
> >
> > Bab,
> >
> > On 8/22/18 9:15 AM, Bab Alemzadeh wrote:
> >> I have a problem with tomcat 8.5.20 and 8.5.32. When I stop the
> >> service the PROCESS gets stuck on a specific memory usage.
> >
> > Can you explain this a little more? What does "stuck on a specific
> > memory usage" mean?
> >
> >> I cannot even end the task, I have to restart the server.
> >
> > Wow.
> >
> >> If I just restart the service, it will create an additional
> >> process. The other process will remain stuck at the exact same
> >> memory usage.
> >
> > More information, please.
> >
> >> I am using Tomcat on a Citrix environment.
> >
> > Citrix is unlikely to be a contributing factor, but thank you for
> > that information.
> >
> > I'm assuming this is a Windows environment (Citrix + "service")?
> > Can you please give us the version details?
> >
> > Specifically, have you installed KB4338815 or KB4338818?
> >
> > This might be your problem:
> > https://stackoverflow.com/questions/51666952/address-bind-exception-in
> - -t
> >
> >
> <https://stackoverflow.com/questions/51666952/address-bind-exception-in-
> t>
> > omcat
> >
> > -chris
> >
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> >
> >
> > -- With kind regards/Met vriendelijke groeten,
> >
> > Bab Alemzadeh System Administrator
> >
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