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From Darren James <>
Subject Re: About OGNL multi-threading contention
Date Fri, 25 Apr 2008 03:10:58 GMT
actually struts is currently using ongl 2.6.11 correct? In fact the 
problem that you reference
here, seems to indicate it 
was the 2.6.11
version of the OGNL jar that introduced the problem. Can someone verify?

I would second the idea that "this is a very important issue for my 
Not sure if this is the appropriate forum to raise this issue, but I 
desperately need a patch.

Does anyone know if downgrading to OGNL-2.6.10 would solve the problem? 
at the sources the synchronization on the method object in the 
seems to be the only difference between the two versions...


- darren

Telmo Costa wrote:
> Hello,
> We’ve been testing an application in a production environment and 
> found a serious contention problem when the number of simultaneous 
> requests grows. The problem seems to be related with the use of static 
> synchronized blocks in OGNL code.
> I’ve found a related issue in OGNL 
> ( that is already fixed 
> in version 2.7.2. But, another related issue 
> ( is still open, although 
> it already has a patch.
> Does anyone know when Struts2 team is upgrading the OGNL version? 
> Currently struts2 uses OGNL version 2.6.10.
> This is a very important issue for my project, as it receives millions 
> of requests per day.
> Greetings,
> /Telmo Costa/
> cid:image001.jpg@01C7FEB5.16BC8DE0
> EF - Tecnologias de Software, S.A.
> Portugal

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