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https://issues.apache.org/jira/browse/SOLR-4852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14605696#comment-14605696
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Shawn Heisey commented on SOLR-4852:
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Interesting situation observed today. A user on IRC couldn't get the
ICUTransformFilterFactory to load, but ICUFoldingFilterFactory was working just
fine.
It turns out that the user was using the full classname for the folding filter
-- org.apache.lucene.analysis.icu.ICUFoldingFilterFactory -- but was using the
abbreviated notation -- solr.ICUTransformFilterFactory -- for the other one. I
guess some of the problems may be caused by the hoops that Solr jumps through
to make the solr prefix work.
> If sharedLib is set to lib, classloader fails to find classes in lib
> --------------------------------------------------------------------
>
> Key: SOLR-4852
> URL: https://issues.apache.org/jira/browse/SOLR-4852
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.4
> Environment: Linux bigindy5 2.6.32-358.6.1.el6.centos.plus.x86_64 #1
> SMP Wed Apr 24 03:21:04 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
> java version "1.7.0_21"
> Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
> Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)
> Reporter: Shawn Heisey
> Fix For: 4.9, Trunk
>
> Attachments: SOLR-4852-test-failhard.txt, SOLR-4852.patch,
> SOLR-4852.patch
>
>
> I have some jars in the lib directory under solr.solr.home - DIH, ICU, and
> MySQL. If I set sharedLib in solr.xml to "lib" then the ICUTokenizer class
> is not found, even though the jar is loaded (twice) during Solr startup. If
> I set sharedLib to another location that doesn't exist, the jars are only
> loaded once and there is no problem.
> I'm using the old-style solr.xml on branch_4x revision 1485566.
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