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https://issues.apache.org/jira/browse/HBASE-4835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ted Yu updated HBASE-4835:
--------------------------
Summary: ConcurrentModificationException out of ZKConfig.makeZKProps (was:
CME out of ZKConfig.makeZKProps)
> ConcurrentModificationException out of ZKConfig.makeZKProps
> -----------------------------------------------------------
>
> Key: HBASE-4835
> URL: https://issues.apache.org/jira/browse/HBASE-4835
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.0, 0.94.0
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Attachments: HBASE-4835.patch
>
>
> Mikhail reported this from a five-node, three-RS cluster test:
> {code}
> 2011-11-21 01:30:15,188 FATAL
> org.apache.hadoop.hbase.regionserver.HRegionServer: ABORTING region server
> <machine_name>,60020,1321867814890: Initialization of RS failed. Hence
> aborting RS.
> java.util.ConcurrentModificationException
> at java.util.Hashtable$Enumerator.next(Hashtable.java:1031)
> at org.apache.hadoop.conf.Configuration.iterator(Configuration.java:1042)
> at org.apache.hadoop.hbase.zookeeper.ZKConfig.makeZKProps(ZKConfig.java:75)
> at
> org.apache.hadoop.hbase.zookeeper.ZKConfig.getZKQuorumServersString(ZKConfig.java:245)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:144)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:124)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getZooKeeperWatcher(HConnectionManager.java:1262)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:568)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:559)
> at
> org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:183)
> at
> org.apache.hadoop.hbase.catalog.CatalogTracker.<init>(CatalogTracker.java:177)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.initializeZooKeeper(HRegionServer.java:575)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.preRegistrationInitialization(HRegionServer.java:534)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:642)
> at java.lang.Thread.run(Thread.java:619)
> {code}
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