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Posted to commits@cassandra.apache.org by "Noureddine Chatti (JIRA)" <ji...@apache.org> on 2014/12/27 14:29:13 UTC

[jira] [Created] (CASSANDRA-8537) ConcurrentModificationException while executing 'nodetool cleanup'

Noureddine Chatti created CASSANDRA-8537:
--------------------------------------------

             Summary: ConcurrentModificationException while executing 'nodetool cleanup'
                 Key: CASSANDRA-8537
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8537
             Project: Cassandra
          Issue Type: Bug
          Components: Tools
         Environment: Debian 7.7, Oracle JRE 1.7.0_72
            Reporter: Noureddine Chatti
             Fix For: 2.1.2


After adding a new node to an existing cluster (7 already started nodes), and waiting a few minutes to be sure that data migration to the new node is completed, I began to use the command nodetool cleanup sequentially on each old node. When I issued this command on the third node, after a few minutes I got a ConcurrentModificationException.

~$ nodetool cleanup
error: null
-- StackTrace --
java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
        at java.util.ArrayList$Itr.next(Unknown Source)
        at org.apache.cassandra.db.index.SecondaryIndexManager.deleteFromIndexes(SecondaryIndexManager.java:476)
        at org.apache.cassandra.db.compaction.CompactionManager$CleanupStrategy$Full.cleanup(CompactionManager.java:833)
        at org.apache.cassandra.db.compaction.CompactionManager.doCleanupOne(CompactionManager.java:704)
        at org.apache.cassandra.db.compaction.CompactionManager.access$400(CompactionManager.java:97)
        at org.apache.cassandra.db.compaction.CompactionManager$5.execute(CompactionManager.java:370)
        at org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:267)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)




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