On 8 April 2010 10:27, Shahnaz Ali <shaan20...@gmail.com> wrote:
> Its not possible to do these kind of experiments in running production
> server. But i am sure there is nothing happened like redeploying new war,
> jar or any kind of change. Server was untouched for last several hours.

Don't you have an identical test/backup server running your production code? :o

> The reason of crash even could be out of Log4J, but i m here to discuss, why
> logs are pointing to only Log4J. And more over all the errors it is pointing
> should not even work after tomcat restart. Infact everything is working fine
> after OS restart without any single change.

Log4j logs it's problems so when underlying problems occur, they get
logged! If your platform (JVM, application server, host OS) is
unstable (or suspect it is), set up some test conditions and try to
recreate the problem. I can't suggest anything more than that without
doing your job for you :)

Regards,
Michael Erskine.

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