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https://issues.apache.org/jira/browse/SOLR-6213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14047523#comment-14047523
]
ASF subversion and git services commented on SOLR-6213:
-------------------------------------------------------
Commit 1606671 from [~dawidweiss] in branch 'dev/trunk'
[ https://svn.apache.org/r1606671 ]
Temporarily disabling SSLMigrationTest; SOLR-6213 it's hanging the build server.
> 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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