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stack commented on HBASE-6089: ------------------------------ Patch looks good to me. Rather than synchronize, why not use a concurrentskiplistmap? Also, for sure we have synchronized all accesses to this.region. What about its tie to this.servers. That is still respected by this patch? > SSH and AM.joinCluster causes Concurrent Modification exception. > ---------------------------------------------------------------- > > Key: HBASE-6089 > URL: https://issues.apache.org/jira/browse/HBASE-6089 > Project: HBase > Issue Type: Bug > Affects Versions: 0.92.1, 0.94.0 > Reporter: ramkrishna.s.vasudevan > Assignee: rajeshbabu > Fix For: 0.90.7, 0.92.2, 0.96.0, 0.94.1 > > Attachments: HBASE-6089_92.patch, HBASE-6089_94.patch, > HBASE-6089_trunk.patch > > > AM.regions map is parallely accessed in SSH and Master initialization leading > to ConcurrentModificationException. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira