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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Closed: (JCR-265) Bug with textfilters and classloaders
Date Wed, 02 Nov 2005 16:41:56 GMT
     [ http://issues.apache.org/jira/browse/JCR-265?page=all ]
     
Marcel Reutegger closed JCR-265:
--------------------------------

    Fix Version: 1.0
     Resolution: Fixed

>From now on text filter implementations must be configured in the workspace.xml file.
Using the service registry does not seem to work stable enough with context classloaders.

Sample configuration:

...
  <SearchIndex class="org.apache.jackrabbit.core.query.lucene.SearchIndex">
    <param name="path" value="${wsp.home}/index" />
    <param name="textFilterClasses" value="org.apache.jackrabbit.core.query.MsExcelTextFilter,org.apache.jackrabbit.core.query.MsPowerPointTextFilter,org.apache.jackrabbit.core.query.MsWordTextFilter,org.apache.jackrabbit.core.query.PdfTextFilter"
/>
  </SearchIndex>
...

Fixed in revision: 330282


> Bug with textfilters and classloaders
> -------------------------------------
>
>          Key: JCR-265
>          URL: http://issues.apache.org/jira/browse/JCR-265
>      Project: Jackrabbit
>         Type: Bug
>   Components: query
>  Environment: Eclipse RCP and anyother system that loads libraries within several classloaders
>     Reporter: Martin Perez
>      Fix For: 1.0

>
> I'm having problems with text filter service. I built the contrib/textfilters package
and I included the resulting jackrabbit-textfilters-1.0-SNAPSHOT.jar in my application classpath.
The problem is that TextFilterService class is unable to find any filters, even though that
a services/org...TextFilterService file is wihin the META-INF jar's directory.
> I think that this must to be with Eclipse RCP classloader mechanism, but the fact is
that it does not work. I find a little bit strange this way to load services, and as you can
see, it seems problematic in some scenarios.
> ----
> Marcel Reutegger 	
> <marcel.reutegger@gmx.net> to jackrabbit-dev
> 	 More options	  11:01 am (55 minutes ago)
> Hi Martin,
> we had a similar problem with the query languages, but I solved that one
> by telling the registry to use a specific classloader. this seemed to work.
> I'm not sure this will also work for the text filters, because the jar
> file might be in another classloader.
> could you please post a jira bug? I'll then change the discovery
> mechanism to use good old xml config ;)

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