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From Alexander Daniel <alexander.dan...@gmx.at>
Subject Re: Cocoon protocol memory leak
Date Fri, 03 Jul 2009 17:45:24 GMT
On 13.05.2009, at 17:40, Will Sheppard wrote:

> After we replaced all the ‘cocoon:’ protocol calls with 'http://localhost/path/to/cocoon'

> , the memory leak disappeared. No matter how many times or how fast  
> the pipeline was hit, memory usage would always come down just  
> before it reached 100Mb. It would stabilise at around 40-50Mb after  
> garbage collection. We only made that one change to the sitemap.
>
> But we'd really like to use the cocoon: protocol, so that the error  
> stack is followed properly upon errors (among other reasons). When  
> using the 'localhost' method, the stack trace stops at the last URL  
> accessed.
>
> Has anyone encountered an issue like this memory leak, or knows of a  
> solution?
>
> We are using Cocoon 2.2 under JBoss 4.2.2 on 64-bit Linux.

I also encountered the issue and fortunately after many days browsing  
through jhat heap dumps [1] and debugging Cocoon I found a solution: https://issues.apache.org/jira/browse/COCOON-2259

Please let us know if it fixes your memory leak.

Have fun, Alex

[1] http://java.sun.com/javase/6/docs/technotes/tools/share/jhat.html
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