Would you be able to get a thread dump of both JVMs when they hang ?
That may be able to give a pointer ...

2016-10-18 2:43 GMT+02:00 Benson Margulies <ben...@basistech.com>:

> On Mon, Oct 17, 2016 at 7:58 PM, Niclas Hedhman <nic...@hedhman.org>
> wrote:
> > It doesn't even timeout after 10, 20, 60 minutes?
>
> Nope. And it's not failing to start: in the exam plugin case, it
> starts, the tests run that talk to the Karaf instance, and then it
> hangs in stop. And even if I use the Linux kill command to kill the
> karaf process, the exam-maven-plugin remains stuck waiting for
> something on the shutdown side.
>
>
>
> >
> > On Tue, Oct 18, 2016 at 3:39 AM, Benson Margulies <ben...@basistech.com>
> > wrote:
> >>
> >> Using pax-exam 4.9.1, we suffer from unpredictable hangs on shutdown.
> >> We've seen this with the exam-maven-plugin and when using
> >>
> >> @ClassRule
> >> public static PaxExamServer exam = new PaxExamServer();
> >>
> >>
> >> to launch karaf 4.0.6. Most of the time, everything works as expected,
> but
> >> when it goes wrong, it just gets stuck, sitting there. We're on the
> verge of
> >> implementing a thread waiting for a connection that will just stop the
> OSGi
> >> framework forcibly. That's pretty ugly. Can anyone suggest a debugging
> >> strategy? The non-reproducibility of this is, of course, a barrier.
> >>
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> >
> >
> >
> > --
> > Niclas Hedhman, Software Developer
> > http://zest.apache.org - New Energy for Java
> >
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-- 
------------------------
Guillaume Nodet
------------------------
Red Hat, Open Source Integration

Email: gno...@redhat.com
Web: http://fusesource.com
Blog: http://gnodet.blogspot.com/

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