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https://issues.apache.org/jira/browse/HBASE-2994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12909365#action_12909365
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Todd Lipcon commented on HBASE-2994:
------------------------------------
Duplicate HBASE-2441?
> RS loops forever trying to get the startcode if it's session expired
> --------------------------------------------------------------------
>
> Key: HBASE-2994
> URL: https://issues.apache.org/jira/browse/HBASE-2994
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.20.6, 0.89.20100621
> Reporter: Jean-Daniel Cryans
> Fix For: 0.20.7
>
>
> mr_luk on IRC got this, but we still don't know how the session was expired
> because the log is mangled for about 13 minutes, then he sees an infinite
> stream of:
> {noformat}
> 2010-09-07 17:30:06,467 WARN
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Failed to create
> /hbase/rs -- check quorum servers, currently=foo1:2181,foo2:2181,foo3:2181
> 2010-09-07 17:30:06,467 DEBUG
> org.apache.hadoop.hbase.regionserver.HRegionServer: Start code already taken,
> trying another one
> 2010-09-07 17:30:06,467 WARN
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Failed to create
> /hbase/rs/1283873406467 znode in ZooKeeper:
> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode
> = Session expired for /hbase/rs/1283873406467
> at java.lang.Thread.run(Unknown Source)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:434)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.reportForDuty(HRegionServer.java:1338)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.writeRSLocation(ZooKeeperWrapper.java:586)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.ensureExists(ZooKeeperWrapper.java:405)
> at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:808)
> at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:780)
> at
> org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
> at
> org.apache.zookeeper.KeeperException.create(KeeperException.java:118)
> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode
> = Session expired for /hbase/rs
> {noformat}
> Tagging for 0.20.7 since that stuff is got reworked in trunk.
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