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From Stefano Mazzocchi <stef...@apache.org>
Subject Re: [Bug 16248] New: - Reloading a modified page causes NPE
Date Mon, 20 Jan 2003 17:27:29 GMT
Jeff Turner wrote:
> On Mon, Jan 20, 2003 at 12:34:04AM -0600, Antonio Gallardo wrote:
> 
>>Hi!
>>
>>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':
> 
> <map:components>
>   ...
>   <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>
> </map:components>
> 
> Erm.  Shouldn't the sitemap version be incremented for large
> backwards-incompatible changes like this?

no, because these things were never released anyway.

> Users are NOT going to be amused
> when all their sitemaps break with such an unhelpful message..

Read the WARNING.txt file on the xml-cocoon2 CVS module.

Once we exit alpha stage, those things won't change, but now it's hard 
enough to come up with a serious design without having to back-support 
anything that gets tried out.

The reason why we don't release anything right now is *exactly* to 
prevent those issues and protect our users.

Besides, we had a vote on that change that passed and you didn't vote -1 
on it. I think it's very unfair to complain on it afterwards.

-- 
Stefano Mazzocchi                               <stefano@apache.org>
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