Raintung Li created SOLR-6553:
---------------------------------
Summary: StackOverflowError
Key: SOLR-6553
URL: https://issues.apache.org/jira/browse/SOLR-6553
Project: Solr
Issue Type: Bug
Components: SolrCloud
Environment: One collection, one shard, two replica
Reporter: Raintung Li
The server log:
Error while calling watcher
java.lang.StackOverflowError
at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3366)
at java.util.regex.Pattern$Curly.match(Pattern.java:3737)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
at java.util.regex.Pattern$Slice.match(Pattern.java:3482)
at java.util.regex.Pattern$Curly.match1(Pattern.java:3797)
at java.util.regex.Pattern$Curly.match(Pattern.java:3746)
at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
at java.util.regex.Pattern$Curly.match1(Pattern.java:3797)
at java.util.regex.Pattern$Curly.match(Pattern.java:3746)
at java.util.regex.Matcher.match(Matcher.java:1127)
at java.util.regex.Matcher.matches(Matcher.java:502)
at org.apache.solr.cloud.LeaderElector.getSeq(LeaderElector.java:167)
at
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:265)
at
org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:383)
at
org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:173)
at
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:156)
at
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:100)
at
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:266)
at
org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:383)
at
org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:173)
at
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:156)
at
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:100)
at
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:266)
at
org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:383)
If one of replica miss connection with zookeeper, the other happen in the
recovery status.(I don't know how to happen this.)
Replica rejoin the leader elect, and it is leader (only him).. check self
shouldIBeLeader it is recovery status, cancel the election(do recovery), and
rejoin the leader election again. It is InfiniteLoop, at last StackOverFlow,
also create the many threads to do recovery..
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