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From "Dawid Weiss (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-4320) testDistribSearch test timeout (progress stalled)
Date Tue, 21 Aug 2012 19:58:37 GMT
Dawid Weiss created LUCENE-4320:
-----------------------------------

             Summary: testDistribSearch test timeout (progress stalled)
                 Key: LUCENE-4320
                 URL: https://issues.apache.org/jira/browse/LUCENE-4320
             Project: Lucene - Core
          Issue Type: Bug
            Reporter: Dawid Weiss
            Priority: Minor
         Attachments: lucene.log

This build:
https://builds.apache.org/job/Lucene-Solr-Tests-4.x-java7/326/

resulted in JVM crash. Event logs from the crashed JVM are truncated so it really was a JVM
crash but what happened before is also interesting -- testDistribSearch stalled without any
progress for a looong time as seen in the logs (note the timestamps):
{code}
43076 T971 C105 P31455 UPDATE [oneInstanceCollection23] webapp=/solr path=/update params={waitSearcher=true&commit=true&wt=javabin&commit_end_point=true&softCommit=false&version=2}
{commit=} 0 133
43077 T957 C106 P31455 UPDATE [oneInstanceCollection21] webapp=/solr path=/update params={waitSearcher=true&wt=javabin&commit=true&softCommit=false&version=2}
{commit=} 0 210
7200065 T844 ccr.ThreadLeakControl$2.evaluate WARNING Suite execution timed out: org.apache.solr.cloud.BasicDistributedZkTest
{code}

There were about ~70 different threads active at the time the suite timed out, jstack shows
the main test thread was pending io on a socket. Grep for "jstack" in the attached log file
to see which threads were active and where.


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