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https://issues.apache.org/jira/browse/SOLR-2947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mikhail Khludnev updated SOLR-2947:
-----------------------------------
Attachment: dih-cache-destroy-on-threads-fix.patch
dih-cache-threads-enabling-bug.patch
To reproduce the issue just insert single line in test config by applying
dih-cache-threads-enabling-bug.patch. It curiously breaks TestEphemeralCache.
DocBuilder.doFullDump() considers request as
dataImporter.getConfig().isMultiThreaded even the single thread is specified
(DataImporter.initEntity() too straightforward). But it forces DocBuilder to
choose EntityRunner branch instead of buildDocument().
EntityRunner destroys entity processor (and cleanups the cache) per every run()
call, but for child entity the run() is called many times - once per parent. As
result the only first child is indexed, and it fails the test.
You can fix it by commenting entityProcessor destroying in EntityRunner.run()
at the finally section. But you lose cache releasing at all.
dih-cache-destroy-on-threads-fix.patch fixes entityProcessors destroying and
cover it by slightly amended TestEphemeralCache
> DIH caching bug - EntityRunner destroys child entity processor
> --------------------------------------------------------------
>
> Key: SOLR-2947
> URL: https://issues.apache.org/jira/browse/SOLR-2947
> Project: Solr
> Issue Type: Sub-task
> Components: contrib - DataImportHandler
> Affects Versions: 4.0
> Reporter: Mikhail Khludnev
> Labels: noob
> Fix For: 4.0
>
> Attachments: dih-cache-destroy-on-threads-fix.patch,
> dih-cache-threads-enabling-bug.patch
>
>
> [line 473
> entityProcessor.destroy();|http://svn.apache.org/viewvc/lucene/dev/trunk/solr/contrib/dataimporthandler/src/java/org/apache/solr/handler/dataimport/DocBuilder.java?revision=1201659&view=markup]
> breaks children entity.
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