Daniel,
On 8/23/23 13:03, Daniel Savard wrote:
I didn't specify the actual Tomcat version because the problem occurs under
all versions. We are running a commercial web application and all of sudden
after a while Tomcat is crashing without issuing any message. It is very
likely due to the application. But the vendor was of no help to solve this
problem which has existed for a long time. I suspect something like
insufficient memory allocated to the VM or something like that. Is there
anything I can do to gather more information on the root cause of this
issue?
Tomcat is running as a service and is restarted automatically if it
crashes. Again, the problem is very unlikely to be with Tomcat itself, but
the tuning of the VM.
What kind of environment (e.g. Windows vs UNIX, etc.)? What is running
the service? Are there log files for the service which are different
than usual (e.g. syslog vs catalina.out)?
What are your memory settings, and how much physical RAM do you have?
It's unlikely that the JVM is just disappearing without leaving any
trace. If you are on Linux, maybe you are the victim of oome-killer?
That will show in the syslog with a whole lot of output. Search syslog
for "oom" and you will probably find it right away if that's the cause.
-chris
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