Johan Coens wrote:
Here the specs are:

It's a windows XP development Client
Pentium 4, 2GHz, 512Mb memory
jdk 1.3.1_06
tomcat 4.0.6

Tomcat is consuming 50-90% of processing time when serving the request.
Notice, i tetsted the app on websphere too, it is serving quite fast, 400ms.
instead of 20000ms.

If anybody can point me where too look at I would be very happy.

If it's a JSP with lots of tags, then Jasper 1 generated code which triggered a performance bug in the virtual machine (dealing with try/catch nesting). You can notice the issue by taking Jasper 1 JARs, putting them in TC 4.1, and notice (on Sun VMs, I don't know about others) pages taking 10x or more the usual time to render.


Upgrade to 4.1 or 5.0 if this is the problem.

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R�my Maucherat
Senior Developer & Consultant
JBoss Group (Europe) S�RL
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