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https://issues.apache.org/jira/browse/COCOON-2044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12490096
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Grzegorz Kossakowski commented on COCOON-2044:
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Alexander,
I'm glad to see that you still investigate this issue but I fear that you try
to fix in wrong way and I guess it's my fault. In my humble opinion, we don't
need to perform so significant changes in servlet-service that you propose.
Servlets can still be resovled by their shorthand names, only getURI() method
need to be changed so it returns "absolute" URIs instead of "relative"
(containing shorthand names). This way, everything should work correctly
because only value returned by getURI() method must be unique.
> servlet: protocol URIs have to be globally unique for use as cache-keys
> -----------------------------------------------------------------------
>
> Key: COCOON-2044
> URL: https://issues.apache.org/jira/browse/COCOON-2044
> Project: Cocoon
> Issue Type: Bug
> Components: - Servlet service framework
> Affects Versions: 2.2-dev (Current SVN)
> Reporter: Alexander Klimetschek
> Assigned To: Grzegorz Kossakowski
> Priority: Critical
>
> All servlet protocol URIs like servlet:/some/thing or servlet:super:/foo/bar
> or servlet:myblock:/another/path have to be globally unique because they are
> used in the cache, of which there is only one global with globally acting
> keys.
> There are two caches in standard Cocoon configuration (the only ones I know
> of ;-), both with a different key generation. Here are ideas how to make the
> keys global:
> a) EHDefaultStore for caching resources of caching pipelines: they use the
> uriPrefix of the Enviroment in the key, so providing a uriPrefix (eg. the
> mount path of the servlet) works here.
> b) DefaultTransientStore which caches XSLT and JX generator sources (don't
> know why this is different from a)): they do not use the uriPrefix and much
> worse, they need correct URIs because they are read by the XSLT processor,
> who does not like things like servlet:uniqueID34:/xsl/stylesheet.xsl
> containing arbitrary schemes at the beginning. Appending an ID via a query
> parameter seems the only working solution (tried it already):
> servlet:/xsl/stylesheet.xsl?servlet-services-id=12345
> Another solution would be to have one cache per sitemap, so that the keys
> don't have to be unique anymore. But I don't know how to configure that and
> if this is feasible.
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