2010-10-21 10:15:09,845 DEBUG org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping 1000ms, waiting for root region. 2010-10-21 10:15:10,846 DEBUG org.apache.hadoop.hbase.client.HConnectionManager$TableServers: locateRegionInMeta attempt 0 of 10 failed; retrying after sleep of 1000 because: Timed out trying to locate root region 2010-10-21 10:15:10,847 DEBUG org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: <rdaf1,rdaf2,rdaf3,mtab1,mtab2:/hbase,org.apache.hadoop.hbase.client.HConnectionManager>Trying to read /hbase/root-region-server 2010-10-21 10:15:10,848 DEBUG org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: <rdaf1,rdaf2,rdaf3,mtab1,mtab2:/hbase,org.apache.hadoop.hbase.client.HConnectionManager>Failed to read org.apache.zookeeper.KeeperException$NoNodeExcep tion: KeeperErrorCode = NoNode for /hbase/root-region-server 2010-10-21 10:15:10,849 DEBUG org.apache.hadoop.hbase.client. .... 2010-10-21 11:39:17,569 DEBUG org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping 1000ms, waiting for root region. 2010-10-21 11:39:18,569 DEBUG org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: <rdaf1,rdaf2,rdaf3,mtab1,mtab2:/hbase,org.apache.hadoop.hbase.client.HConnectionManager>Trying to read /hbase/root-region-server 2010-10-21 11:39:18,570 DEBUG org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: <rdaf1,rdaf2,rdaf3,mtab1,mtab2:/hbase,org.apache.hadoop.hbase.client.HConnectionManager>Failed to read org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /hbase/root-region-server
We have 3 region servers, every once in a while, we get the server going into Sleep, just like above. Only way to fix it is restart. Any ideas why it does that? -jack
