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https://issues.apache.org/jira/browse/SOLR-2695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shalin Shekhar Mangar updated SOLR-2695:
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Attachment: SOLR-2695.patch
The debug documents list needs to be synchronized.
> DIH's TestThreaded sometimes fails
> ----------------------------------
>
> Key: SOLR-2695
> URL: https://issues.apache.org/jira/browse/SOLR-2695
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler
> Reporter: Michael McCandless
> Assignee: Shalin Shekhar Mangar
> Attachments: SOLR-2695.patch
>
>
> {{ant test -Dtestcase=TestThreaded -Dtestmethod=testCompositePk_FullImport
> -Dtests.seed=-1937805576288697697:-9126472343809792878}} sometimes hits this:
> {noformat}
> [junit] 3-aug-2011 15:11:57 org.apache.solr.handler.dataimport.DocBuilder
> doFullDump
> [junit] SEVERE: error in import
> [junit] java.lang.ArrayIndexOutOfBoundsException: 1
> [junit] at java.util.ArrayList.add(ArrayList.java:352)
> [junit] at
> org.apache.solr.handler.dataimport.DocBuilder$EntityRunner.runAThread(DocBuilder.java:523)
> [junit] at
> org.apache.solr.handler.dataimport.DocBuilder$EntityRunner.access$000(DocBuilder.java:396)
> [junit] at
> org.apache.solr.handler.dataimport.DocBuilder$EntityRunner$1.run(DocBuilder.java:449)
> [junit] at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> [junit] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> [junit] at java.lang.Thread.run(Thread.java:619)
> [junit] 3-aug-2011 15:11:57 org.apache.solr.SolrTestCaseJ4 assertQ
> {noformat}
> I think it's a thread safety bug in the debug code (an ArrayList is add'd w/o
> sync) only if {{reqParams.debug}}.
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