启动hbase集群报错：
2014-10-28 17:53:50,993 INFO [regionserver60020] regionserver.CompactSplitThread: Waiting for Small Compaction Thread to finish...
2014-10-28 17:53:51,006 WARN [regionserver60020] zookeeper.RecoverableZooKeeper: Node /hbase/rs/hdp03,60020,1414490029818 already deleted, retry=false
2014-10-28 17:53:51,006 WARN [regionserver60020] regionserver.HRegionServer: Failed deleting my ephemeral node
org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /hbase/rs/hdp03,60020,1414490029818
at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:873)
at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.delete(RecoverableZooKeeper.java:177)
at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1273)
at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1262)
at org.apache.hadoop.hbase.regionserver.HRegionServer.deleteMyEphemeralNode(HRegionServer.java:1334)
at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1048)
at java.lang.Thread.run(Thread.java:662)
2014-10-28 17:53:51,024 INFO [regionserver60020] zookeeper.ZooKeeper: Session: 0x1490cac39160112 closed
2014-10-28 17:53:51,024 INFO [regionserver60020-EventThread] zookeeper.ClientCnxn: EventThread shut down
2014-10-28 17:53:51,024 INFO [regionserver60020] regionserver.HRegionServer: stopping server null; zookeeper connection closed.
2014-10-28 17:53:51,024 INFO [regionserver60020] regionserver.HRegionServer: regionserver60020 exiting
2014-10-28 17:53:51,024 ERROR [main] regionserver.HRegionServerCommandLine: Region server exiting
java.lang.RuntimeException: HRegionServer Aborted
at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:66)
at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:85)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126)
at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2467)
2014-10-28 17:53:51,025 INFO [Thread-9] regionserver.ShutdownHook: Shutdown hook starting; hbase.shutdown.hook=true; fsShu[email protected]681a791f
2014-10-28 17:53:51,025 INFO [Thread-9] regionserver.ShutdownHook: Starting fs shutdown hook thread.
2014-10-28 17:53:51,025 INFO [Thread-9] regionserver.ShutdownHook: Shutdown hook finished.
解决：linux时间同步。