Guenter Knauf wrote:
Hi all,
I've a prob with a Tomcat application.
This is an app which was bought by a customer which I work for.
The app runs on a plain WinXP box with nothing else installed on it but only
the Tomcat servive + MySQL server. The app is used through the standalone http
connector; Tomcat version is 5.5.25.
Now since few days the box tends to crash with all memory exhausted...
I cant tell at the moment if any component of the involved software packages
was updated recently.
Now my question is: can someone give me some hints how I can observe the memory
consumption of Tomcat to see if there might be a leak either in Tomcat self
(saw some BZ, and ChangeLog entries that something was fixed with 5.5.26), or
also with their app?
thanks in advance for any suggestions!
Use a profiler. My personal favourite is YourKit but there are plenty of
others.
The only memory leaks we tend to see in Tomcat, and they are getting rarer,
are related to reloading. If you are not reloading the webapp it is almost
certainly an app problem rather than a Tomcat one. Either way, the only way
to be sure is to use a profiler.
Mark
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