None that I've noticed. But unlike John, I dont wait for OutOfMemory.. once performance drops I can't stand it so I just restart Tomcat.
I thought you were saying this problem spanned restarts - obviously we're talking about re-deploys in a running container then. So how do you redeploy? Drop a new war in? Using the tomcat manager app?
It does span restarts.. but the first few restarts work fine. The way *I* fix the problem is I have to completely kill tomcat, and check for any running java processes and kill them.. let the machine sit and start Tomcat back up again. It's really weird, but I never really worried about it too much.
Ah. Gotcha. This sort of rings a bell - I don't suppose you have checked tomcat's bug list? If you wait long enough after shutdown without manually killing processes, do they clear up on their own?
If it helps any.. the first thing that signals a problems is that the site gets very slow for no apparent reason (and Tomcat is sucking up 90% of the CPU of a 2.4Ghz Xeon processor). Then Batik stops rendering images.. I get broken images in the browser. Then, usually, the site completely stops responding. If I then just do a quick shutdown.sh (sleep 2) startup.sh.. it may or may not work.. sometimes I have to run a shutdown and wait a few minutes and start it back up (maybe 2 second sleep isnt enough time).
Ah, I missed batik before. That's another possibility, especially if John is using it too. Can you check cocoon's bugzilla for issues related to batik?
The standard Tomcat shutdown.sh and startup.sh commands.
And that fixes the problem? So we're talking about a memory leak on reload which could either be on tomcat's end or our end, but I'm assuming this would be a well known problem if it were tomcat.
It does if I shut it down manually (without my script that just does a shutdown.sh, sleep 2, startup.sh).. wait about 30 seconds then start it back up again. Or I can use my script, but I may have to run it 3-4 times before everything works correctly. I can tell it didnt work correctly if 1) batik still isnt rendering images, or 2) I get no response from the server.
That may answer my earlier question?
If I've got all this right, can you file a bug report in bugzilla on this? If you summarize our observations and link to these messages at marc.theaimsgroup.com that should be perfect. I have very little time to dig in personally right now, but someone will probably be able to soon.
Sure - I'll see if I can reproduce it and make more detailed observations.
A fairly minimal set of blocks. Specifically: authentication-fw, batik, databases, fop, html, jsp, poi, and session-fw.
Ok, I think there are others which are forced in by dependency, IIRC. Are you using flow?
I meant to erase the bit about the forced dependencies - not sure there are in your case.
Geoff
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