Hi Romain!
I added the complete thread dump produced with JVisualVM including the thread
deadlock detected by JVisualVM.
Maybe it helps identifying the problem.
We are working on an example to make the issue reproducible ...
Best regards,
Thomas
From: Romain Manni-Bucau [via TomEE & OpenEJB]
[mailto:[email protected]]
Sent: Montag, 13. April 2015 14:46
To: Thomas Schuler
Subject: Re: thread deadlock at URLClassLoaderFirst
2015-04-13 14:42 GMT+02:00 tschuler <[hidden
email]</user/SendEmail.jtp?type=node&node=4674377&i=0>>:
> Hi Romain!
>
> Yes. The thread stack is the example for two threads in deadlock situation
> observed within a TomEE 1.7.1 - cause is the added ReentrantLock from
> https://issues.apache.org/jira/browse/OPENEJB-2070.
> If you need an example how to reproduce the thread deadlock - not sure if
> we are able to provide one ...
> Am I right that actually no JIRA exists addressing this existing thread
> deadlock issue in TomEE 1.7.X?
>
>
yes since we don't know why you have this issue yet - since there is a lock
it shouldnt happen. That is why I would like a sample reproducing it
> Best regards,
> Thomas
>
>
>
> From: Romain Manni-Bucau [via TomEE & OpenEJB] [mailto:
> [hidden email]</user/SendEmail.jtp?type=node&node=4674377&i=1>]
> Sent: Montag, 13. April 2015 13:52
> To: Thomas Schuler
> Subject: Re: thread deadlock at URLClassLoaderFirst
>
> well this is not a sample but a thread stack
>
> issue was https://issues.apache.org/jira/browse/OPENEJB-2070 IIRC
>
>
> Romain Manni-Bucau
> @rmannibucau <https://twitter.com/rmannibucau> | Blog
> <http://rmannibucau.wordpress.com> | Github <
> https://github.com/rmannibucau> |
> LinkedIn <https://www.linkedin.com/in/rmannibucau> | Tomitriber
> <http://www.tomitribe.com>
>
> 2015-04-13 11:31 GMT+02:00 tschuler <[hidden
> email]</user/SendEmail.jtp?type=node&node=4674375&i=0>>:
>
> > Hi Romain!
> >
> > The example is still available:
> >
> http://tomee-openejb.979440.n4.nabble.com/attachment/4674247/0/threaddump_restricted.tdump
> > Can you please provide the JIRA bug number if an according one exists?
> >
> > Best regards,
> > Thomas
> >
> >
> > From: Romain Manni-Bucau [via TomEE & OpenEJB] [mailto:
> > [hidden email]</user/SendEmail.jtp?type=node&node=4674375&i=1>]
> > Sent: Montag, 13. April 2015 11:20
> > To: Thomas Schuler
> > Subject: Re: thread deadlock at URLClassLoaderFirst
> >
> > Hmm,
> >
> > surely something obvious but I dont see the sample anymore, do you care
> > attaching it again or better putting it on github?
> >
> > yes we have a bugtracker: https://issues.apache.org/jira/browse/TOMEE
> >
> >
> >
> >
> >
> > Romain Manni-Bucau
> > @rmannibucau <https://twitter.com/rmannibucau> | Blog
> > <http://rmannibucau.wordpress.com> | Github <
> > https://github.com/rmannibucau> |
> > LinkedIn <https://www.linkedin.com/in/rmannibucau> | Tomitriber
> > <http://www.tomitribe.com>
> >
> > 2015-04-13 11:10 GMT+02:00 tschuler <[hidden
> > email]</user/SendEmail.jtp?type=node&node=4674373&i=0>>:
> >
> > > Hi Romain!
> > >
> > > The example was added as attachment and is available for download.
> > >
> > > BTW: Is there a bug tracking system (like JIRA) for TomEE?
> > > Did you already add an according bug so that I can keep an eye on it?
> > >
> > > Best regards,
> > > Thomas
> > >
> > >
> > >
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