Hi Romain!
Can you please provide 1.7.2 snapshot url for download?
I'll give it a try.
Best regards,
Thomas
From: Romain Manni-Bucau [via TomEE & OpenEJB]
[mailto:[email protected]]
Sent: Freitag, 27. März 2015 16:07
To: Thomas Schuler
Subject: Re: thread deadlock at URLClassLoaderFirst
Hi
wonder if it is not fixed on snapshots (if you can try it would be welcomed
since we'll release 1.7.2 soon)
as a workaround you can prevload the locking classes in a
ServletContextListener. Should not be the sexiest but the easiest to setup.
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>
2015-03-27 15:59 GMT+01:00 tschuler <[hidden
email]</user/SendEmail.jtp?type=node&node=4674198&i=0>>:
> Hi!
>
> We use TomEE 1.7.1 and get in troubles from time to time because of a
> thread
> dead lock resulting in an idle TomEE. It is always the same pattern as
> shown
> below - deadlock at
> org.apache.openejb.util.classloader.URLClassLoaderFirst.
>
> Extract from JVisualVM thread dump:
>
> Found one Java-level deadlock
> =============================
> EjbTimerPool - 2
> waiting to lock monitor 0x00000000221a3f88 (object 0x00000006c1886f50, a
> org.apache.openejb.util.classloader.URLClassLoaderFirst),
> which is held by JmsResourceAdapter-worker- - 6
> JmsResourceAdapter-worker- - 6
> waiting for ownable synchronizer 0x00000006c13b0cc0, (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync),
> which is held by JmsResourceAdapter-worker- - 7
> JmsResourceAdapter-worker- - 7
> waiting to lock monitor 0x00000000221a3f88 (object 0x00000006c1886f50, a
> org.apache.openejb.util.classloader.URLClassLoaderFirst),
> which is held by JmsResourceAdapter-worker- - 6
>
> Is there a way to get rid off the potential thread deadlock?
>
> Best regards,
> Thomas
>
>
>
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