cocoon

[Doug Herold <do...@gmail.com>]

System information

 *Servlet Container - websphere 5.1.7*
* JDK - JDK 1.4.2*
* cocoon - cocoon_2.1.4*
* The cocoon war file we are using was built using the JDK 1.3.1.18*
* We use windows XP for development and IBM's iseries for production*
**
*We are having performance issues with apps running under cocoon.*
**
Since we are using a cocoon war compiled under the JDK_1.3.1.18 and our
servlet container is using the JDK 1.4.2.  Can anybody tell me if this would
cause any performance issues.  Does cocoon run any fast under the JDK 1.4.2.

Thanks for any help you can give
Doug

Re: cocoon

[Ralph Goers <Ra...@dslextreme.com>]

What tools do you have to work with?  You really should analyze your app 
under simulated load with YourKit or some other profiler.  If you can't 
do that, I found just forcing thread dumps periodically to be of 
considerable value. 



Doug Herold wrote:

> System information
>  
>  *Servlet Container - websphere 5.1.7*
> * JDK - JDK 1.4.2*
> * cocoon - cocoon_2.1.4*
> * The cocoon war file we are using was built using the JDK 1.3.1.18 
> <http://1.3.1.18>*
> * We use windows XP for development and IBM's iseries for production*
> ** 
> *We are having performance issues with apps running under cocoon.*
> ** 
> Since we are using a cocoon war compiled under the JDK_1.3.1.18 and 
> our servlet container is using the JDK 1.4.2.  Can anybody tell me if 
> this would cause any performance issues.  Does cocoon run any fast 
> under the JDK 1.4.2.
>  
> Thanks for any help you can give
> Doug
>  
>  



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Re: cocoon

[Wa...@westsussex.gov.uk]

We had a problem with very poor performance under a similar WebSphere 
configuration (not with Cocoon but a Xalan intensive app) that turned out 
to be a bug in the IBM JDK 1.4 implementation of StringBuffer. I'm not 
sure of the details but upgrading the JDK fixed it. It might be worth 
rebuilding Cocoon with the latest IBM JDK and upgrading the servlet 
container JDK too.

I'm sorry I can't be more specific but this might point you in the right 
direction.

Warrell Harries | IT Services, West Sussex County Council | Location: 
Northleigh House
Office: +44 (0) 1243-756837 | Email: warrell.harries@westsussex.gov.uk




"Doug Herold" <do...@gmail.com> 
03/05/2006 16:16
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cocoon






System information
 
 Servlet Container - websphere 5.1.7
 JDK - JDK 1.4.2
 cocoon - cocoon_2.1.4
 The cocoon war file we are using was built using the JDK 1.3.1.18
 We use windows XP for development and IBM's iseries for production
 
We are having performance issues with apps running under cocoon.
 
Since we are using a cocoon war compiled under the JDK_1.3.1.18 and our 
servlet container is using the JDK 1.4.2.  Can anybody tell me if this 
would cause any performance issues.  Does cocoon run any fast under the 
JDK 1.4.2.
 
Thanks for any help you can give
Doug
 
 

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