My "solution" was to upgrade to 4.1.12 and upgrade the JDK to 1.4.1.01, this seemed to work.
No idea what caused it though.
Christopher Watson wrote:
Hello All,
Currently my config is
TOMCAT 4.1.12
jdk1.3.1_03
Windows 2000 Pro
NT Service configured using the server\jvm.dll with -Xrs
IIS 5.0
ISAPI_REDIRECTOR version 2.0 using workers.properties
however I have had this problem many times with different tomcat versions in
the past.
Suddenly, for no apparent reason - high load/ no load/ different webapps/
doesn't seem to make any difference ...
tomcat.exe grabs >90% of cpu and won't let go of it.
Nothing unexpected appears in the logs
Has anyone seen this and know a way round it?
Failing that, could they suggest any logging I could turn on (and how) to
try and diagnose the problem.
As I say, I've had it with various combinations of applications in webapps.
I THINK it ONLY happens with the NT Service tomcat.exe,
I'm pretty sure I've not seen it by running catalina.bat
Sometimes it happens if I restart the machine and leave it.
Other times I may not encounter it for a couple of days.
If I leave about a week, then it almost always turns up.
Any help much appreciated .
Christopher
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