[SOLR-9405] ConcurrentModificationException in ZkStateReader.getStateWatchers

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 6.1
• Fix Version/s: 6.2, 7.0
• Component/s: SolrCloud
• Assignee: Shalin Shekhar Mangar
• Reporter: Shalin Shekhar Mangar
• Created: 11/Aug/16 02:03
• Updated: 02/Oct/19 17:23
• Resolved: 12/Aug/16 12:24

Description

Jenkins found this: http://jenkins.thetaphi.de/job/Lucene-Solr-6.x-Linux/1432/

Stack Trace:
java.util.ConcurrentModificationException
        at __randomizedtesting.SeedInfo.seed([FA459DF725097EFF:A77E52876204E1C1]:0)
        at java.util.HashMap$HashIterator.nextNode(java.base@9-ea/HashMap.java:1489)
        at java.util.HashMap$KeyIterator.next(java.base@9-ea/HashMap.java:1513)
        at java.util.AbstractCollection.addAll(java.base@9-ea/AbstractCollection.java:351)
        at java.util.HashSet.<init>(java.base@9-ea/HashSet.java:119)
        at org.apache.solr.common.cloud.ZkStateReader.getStateWatchers(ZkStateReader.java:1279)
        at org.apache.solr.common.cloud.TestCollectionStateWatchers.testSimpleCollectionWatch(TestCollectionStateWatchers.java:116)