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https://issues.apache.org/jira/browse/SOLR-6213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14088850#comment-14088850
]
Shalin Shekhar Mangar commented on SOLR-6213:
---------------------------------------------
More recent failures:
# https://builds.apache.org/job/Lucene-Solr-Tests-4.x-Java7/2039/ (from
SOLR-6285)
# http://jenkins.thetaphi.de/job/Lucene-Solr-4.x-Linux/10846/
> StackOverflowException in Solr cloud's leader election
> ------------------------------------------------------
>
> Key: SOLR-6213
> URL: https://issues.apache.org/jira/browse/SOLR-6213
> Project: Solr
> Issue Type: Bug
> Affects Versions: 5.0, 4.10
> Reporter: Dawid Weiss
> Priority: Critical
>
> This is what's causing test hangs (at least on FreeBSD, LUCENE-5786),
> possibly on other machines too. The problem is stack overflow from looped
> calls in:
> {code}
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:212)
> >
> org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:163)
> >
> org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:125)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:313)
> > org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:221)
> >
> org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:448)
> {code}
> These routines attempt to log information to loggers, which in turn attempts
> to serialize messages back to the master (test process). When the stack is
> exhausted the serialization process fails and breaks the communication with
> the master test node.
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