Hi everyone, I'm new to the list. I just updated a tomcat server from
5.0 to 5.5.20 and I'm having
a little problem. I'm using the same JVM, 1.5.08. I've read a bunch of
solutions, none
of them seem to work for me.
I had two crashes, a couple hours apart from the other, generally these
machines run high load 24/7 for months
at a time with no problems.
First one was in:
Current thread (0x0806cc18): GCTaskThread [id=32102]
Second one:
Current thread (0x4030dff0): JavaThread "http-9120-Processor15" daemon
[_thread_in_Java, id=713]
In both cases, there was a large spike in the number of threads running
right before the cash, but no
corresponding increase in cpu, memory or bandwidth usage.
I did make a couple other changes between versions:
* added latest log4j
* dropped minspare threads from 25 to 15, and maxspare from 50 to 30,
max is set to 250.
This is my options line:
JAVA_OPTS="-server -Xms500m -Xmx1600m -verbose:gc -XX:+PrintGCDetails
-XX:+PrintGCTimeStamps -XX:+UseConcMarkSweepGC -XX:PermSize=128m
-XX:MaxPermSize=256"
If you would like to see the whole hs_err log let me know and I will
post it. I also found that in both cases it looks like an RMI
request is being accepted:
0x3f7f9598 JavaThread "RMI TCP Accept-0" daemon [_thread_in_native,
id=692]
0x3e4f69d0 JavaThread "RMI TCP Accept-9125" daemon [_thread_in_native,
id=691]
Matt
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