I have 30 region servers, after cold restart (master, zookepeers, and
all regionservers), 22 regionservers start, but the other 8 have
following errors,
any idea how to debug this? Is zookeeper giving the RS wrong msg?
Can I log it via tcpdump maybe?
2010-10-22 08:32:42,035 WARN
org.apache.hadoop.hbase.regionserver.HRegionServer: Unable to read
master address from ZooKeeper. Retrying. Error was:
java.io.IOException:
org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode
= NoNode for /hbase/master
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddressOrThrow(ZooKeeperWrapper.java:481)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readMasterAddressOrThrow(ZooKeeperWrapper.java:377)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getMaster(HRegionServer.java:1289)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.reportForDuty(HRegionServer.java:1320)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:519)
at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.zookeeper.KeeperException$NoNodeException:
KeeperErrorCode = NoNode for /hbase/master
at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:921)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddressOrThrow(ZooKeeperWrapper.java:477)
... 5 more
