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From Sylvain Wallez <>
Subject Re: [Bug 16248] New: - Reloading a modified page causes NPE
Date Mon, 20 Jan 2003 08:38:16 GMT
Jeff Turner wrote:

>On Mon, Jan 20, 2003 at 12:34:04AM -0600, Antonio Gallardo wrote:
>>I can confirm that the new cache implementation is a little buggy. I was
>>the last 5 days trying to make run my application (that is already tested)
>>in the lastest CVS.
>>I am another error with the new cache interface. I dont know where is the
>>problem. Throw an exception about some UnnamedSelector:
>>ERROR   (2003-01-14) 17:12.17:171   [core.manager] (/myapp/aut-inicio)
>>>Thread-7/ExcaliburComponentSelector: UnnamedSelector: ComponentSelector
>>>Attempted to retrieve component with null hint.
>Oh.. I was getting those errors too :)  I found it was because my sitemap used
>'map:pipelines' inside map:components, and the syntax recently changed to
>  ...
>  <map:pipes default="caching">
>     <map:pipe name="caching" src="org.apache.cocoon.components.pipeline.impl.CachingProcessingPipeline"/>
>     <map:pipe name="noncaching" src="org.apache.cocoon.components.pipeline.impl.NonCachingProcessingPipeline"/>
>  </map:pipes>
>Erm.  Shouldn't the sitemap version be incremented for large
>backwards-incompatible changes like this?  Users are NOT going to be amused
>when all their sitemaps break with such an unhelpful message..

This change is in the 2.1, which is still "pre-alpha", even if it the 
code is largely stable. Version numbers change will occur when entering 
the beta stage.

Now you're right that the error message doesn't really help in 
diagnosing the problem. I'll take a look at it.


Sylvain Wallez                                  Anyware Technologies 
{ XML, Java, Cocoon, OpenSource }*{ Training, Consulting, Projects }

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