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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2013/08/27 00:32:52 UTC
[jira] [Updated] (HBASE-9344) RegionServer not shutting down upon
KeeperException in open region
[ https://issues.apache.org/jira/browse/HBASE-9344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lars Hofhansl updated HBASE-9344:
---------------------------------
Attachment: 9344-trunk.txt
Simple patch.
> RegionServer not shutting down upon KeeperException in open region
> ------------------------------------------------------------------
>
> Key: HBASE-9344
> URL: https://issues.apache.org/jira/browse/HBASE-9344
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Attachments: 9344-trunk.txt
>
>
> We ran into a situation where due to a Kerberos configuration problem one of our region server could not connect to ZK when opening a region. Instead of shutting down it continue to try to reconnect. Eventually the master would assign the region to another region server. Each time that region server was assigned a region it would sit there for 5 mins with the region offline. It would have been better if the region server had shut itself down.
> This is in the logs:
> {quote}
> 2013-08-16 17:31:35,999 WARN org.apache.hadoop.hbase.zookeeper.ZKUtil: hconnection-0x2407b842ff2012d-0x2407b842ff2012d-0x2407b842ff2012d Unable to set watcher on znode (/hbase/hbaseid)
> org.apache.zookeeper.KeeperException$AuthFailedException: KeeperErrorCode = AuthFailed for /hbase/hbaseid
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:123)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
> at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:172)
> at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:450)
> at org.apache.hadoop.hbase.zookeeper.ClusterId.readClusterIdZNode(ClusterId.java:61)
> at org.apache.hadoop.hbase.zookeeper.ClusterId.getId(ClusterId.java:50)
> at org.apache.hadoop.hbase.zookeeper.ClusterId.hasId(ClusterId.java:44)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:616)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:882)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:857)
> at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:233)
> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:173)
> at org.apache.hadoop.hbase.catalog.MetaReader.getHTable(MetaReader.java:201)
> at org.apache.hadoop.hbase.catalog.MetaReader.getMetaHTable(MetaReader.java:227)
> at org.apache.hadoop.hbase.catalog.MetaReader.getCatalogHTable(MetaReader.java:214)
> at org.apache.hadoop.hbase.catalog.MetaEditor.putToCatalogTable(MetaEditor.java:91)
> at org.apache.hadoop.hbase.catalog.MetaEditor.updateLocation(MetaEditor.java:296)
> at org.apache.hadoop.hbase.catalog.MetaEditor.updateRegionLocation(MetaEditor.java:276)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.postOpenDeployTasks(HRegionServer.java:1828)
> at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler$PostOpenDeployTasksThread.run(OpenRegionHandler.java:240)
> {quote}
> I think the RS should shut itself down instead.
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