Dawid Weiss created SOLR-6213:
---------------------------------
Summary: 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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