Re: Zombies and Dead WOAs... Part Two..
Re: Zombies and Dead WOAs... Part Two..
- Subject: Re: Zombies and Dead WOAs... Part Two..
- From: Karl Gretton <email@hidden>
- Date: Fri, 27 Jun 2008 14:40:23 +0300
Hi Pierce,
That would be interesting to see if you care to share it with us.
Karl
On 2008-06-27, at 8:15 AM, Pierce T. Wetter III wrote:
I am currently having issues with instances "gumming up" and
seemingly deadlocking and I also noticing lots of Zombie Java
processes being created after an application restarts.
So my questions are really two fold..
Firstly, is it possible to attach Eclipse as a debugger to a
remote running instance in order to see why things are fouling up.
I have read Andrew Lindesay's document on using jdb, but I am
hoping that there may be a way to debug everything in a little
more detail. Worst case, I can pester him since he is in the
office next door :-p
I am not sure, but jstack can give you a thread dump which is often
all that you need to know.
I have a perl script that pings all the apps on a regular basis and
if one deadlocks it jstacks it and kills it.
Let me know if you'd like it.
Pierce
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