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HBase Administration Cookbook
book

HBase Administration Cookbook

by Yifeng Jiang
August 2012
Intermediate to advanced content levelIntermediate to advanced
332 pages
7h 3m
English
Packt Publishing
Content preview from HBase Administration Cookbook

Handling the ZooKeeper session expired error

In this recipe, we will describe how to troubleshoot the following ZooKeeper session expired error shown in the RegionServer logs:

2012-02-19 16:49:15,405 WARN org.apache.hadoop.hbase.regionserver.HRegionServer: Failed deleting my ephemeral node
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /hbase/rs/ip-10-168-37-91.us-west-1.compute.internal,60020,1329635463251 at org.apache.zookeeper.KeeperException.create(KeeperException.java:127) at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:868) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.delete(RecoverableZooKeeper.java:107) ...
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Publisher Resources

ISBN: 9781849517140Other