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From Carsten Ziegeler <cziege...@apache.org>
Subject Re: Exception in AbstractProcessingPipeline.release
Date Wed, 13 Jul 2005 07:01:37 GMT
Jochen Kuhnle wrote:
> Hi,
> 
> I get the following Exception when Cocoon processes a request:
> 
> org.apache.cocoon.ProcessingException: Unable to remove component from 
> automatic release: component not found.
>         at 
> org.apache.cocoon.components.EnvironmentDescription.removeFromAutoRelease(CocoonComponentManager.java:789)
> 
> The component here being the processing pipeline. This happens because 
> InvokeContext.getProcessingPipeline adds the pipeline conditionally:
> 
>         if (this.isBuildingPipelineOnly) {
>  
> CocoonComponentManager.addComponentForAutomaticRelease(this.pipelineSelector, 
> this.processingPipeline, this.pipelinesManager);
>       }
> 
> Wheras AbstractProcessingPipeline removes itself unconditionally:
> 
>     public void release() {
>         try {
>             CocoonComponentManager.removeFromAutomaticRelease(this);
>         } catch (ProcessingException e) {
>                 ...
>         }
>     }
> 
> Since the Exception occurs with each request, this wastes valuable log 
> space ;) So I would like to fix this. The question is, how? The hack 
> solution would be to not log the exception. The better solution would be 
> to somehow tell AbstractProcessingPipeline if it has to call 
> removeFromAutomaticRelease.
> 
> But.. Upon digging deeper... This whole automatic release stuff is used 
> only once in all of Cocoon -- for the ProcessingPipeline. So maybe there 
> is a way to get rid of it completely? Any suggestions?
> 
Hmm, I don't get these exceptions - can you point to an example?
Yes, this stuff is only used for the pipelines, we removed it completly
in 2.2 and use a cleaner solution there.

Carsten

-- 
Carsten Ziegeler - Open Source Group, S&N AG
http://www.s-und-n.de
http://www.osoco.org/weblogs/rael/

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