When you say the problem was similar, did you also have no core dump or
log messages, just a missing JVM process? I am asking our hosting
provider to test the server's RAM - I was going to do this before but
since no other process ever crashes (Apache, MySql, etc.) we didn't
think it could be the RAM.
Greg
On Dec 20, 2004, at 1:57 PM, Eric Rotick wrote:
I had a similar problem with an almost identical setup to yours which
turned out to be bad memory. An extra 1GB stick was added which had a
bad section in the top of the memory map. This memory only got used
when things got busy so everyone suspected some threading issue. We
got lucky and spotted something totally absurd in the logs which
prompted a memtest86 run and hey presto we got our answer.
On Mon, 20 Dec 2004 13:28:56 -0500, Wade Chandler
<[EMAIL PROTECTED]> wrote:
Greg Lappen wrote:
Hello-
Has anyone had a problem with Tomcat 5.0.28 crashing on Linux with no
error messages?
My production server running with JDK 1.4.2_06, RedHat EL 3.0 just
crashes, no core dump, no errors in catalina.out, no clues.
Sometimes
it goes for days, sometimes it happens several times in one day. I
am
running the tomcat process behind Apache 2 with mod_proxy. Setting
"ulimit -c unlimited" in the catalina.sh startup file still did not
produce a core file.
If nobody else has experienced this, do you have any suggestions on
how
to debug it further?
Thanks,
Greg
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I'm using the same setup as you less Apache2. I use tomcat as the web
server. Using TC5.0.28 and JDK1.4.2_06, and I have yet to have the
server crash once. Not much help, but might give you some clues where
to look.
Connector log (mod_proxy....assuming you mean you're using the new
connector code)....is there anything in the Apache2 log? I assume
from
your post you mean that the java process just completely goes away.
You
might find (depending on the running directory of the java process
running tomcat) a pid dump log file or something...not sure if the vm
produces one of these or not. You also might check in
/var/log/messages
file to see if for some reason the kernel or some lib got some error
it
logged.
Wade
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