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
{{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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