Lars Hofhansl created HBASE-9344:
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Summary: 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
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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