Re: Zombies and Dead WOAs... Part Two..
Re: Zombies and Dead WOAs... Part Two..
- Subject: Re: Zombies and Dead WOAs... Part Two..
- From: Chuck Hill <email@hidden>
- Date: Fri, 4 Jul 2008 21:29:32 -0700
That very much sounds like what happens if sleep() or terminate() in
Session throw an exception.
When this happens next, use jstack to get a thread dump and see if you
can see what is stuck.
Chuck
On Jun 27, 2008, at 5:01 AM, Ian Coleman wrote:
I am having the same problem, can't stop instances in monitor. Just
started for me last couple days not a whole has changed in the app
in those few days, but not sure how long it has been going on so it
could be from changes made a week or two ago. i Did see an email in
another list i think saying something about WOResponse getting stuck
but i don't think that is the issue in my app.
thanks
ian
On Jun 27, 2008, at 12:22 AM, John Lennard wrote:
Okay,
So I will try this again, having been bested by my mail program :-/
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
The processes that are deadlocking tend to also then not want to be
killed by the monitor and need to be dealt with the good old
fashioned way and need to be killed with a sig KILL...
Secondly, has anybody else seen or experienced these zombie
webobjects processes that appear after monitor/wotaskd restarts. I
have already tried the wonder monitor and wotaskd and these dont
seem to fix anything.
I am currenly running on WO 5.3.4 and Tigger Server..
Thanks
John
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