2019-10-12 23:25:18,220 WARN  [regionserver/localhost:17020] regionserver.HRegionServer: Failed deleting my ephemeral node
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /atsv2-hbase-unsecure/rs/localhost,17020,1570801369948
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
	at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:881)
	at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.delete(RecoverableZooKeeper.java:166)
	at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1231)
	at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1220)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.deleteMyEphemeralNode(HRegionServer.java:1610)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1149)
	at java.lang.Thread.run(Thread.java:745)
2019-10-12 23:25:18,221 INFO  [regionserver/localhost:17020] regionserver.HRegionServer: Exiting; stopping=localhost,17020,1570801369948; zookeeper connection closed.
2019-10-12 23:25:18,221 ERROR [main] regionserver.HRegionServerCommandLine: Region server exiting
java.lang.RuntimeException: HRegionServer Aborted
	at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:67)
	at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:87)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
	at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:149)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:3021)
2019-10-12 23:25:18,225 INFO  [shutdown-hook-0] regionserver.ShutdownHook: Shutdown hook starting; hbase.shutdown.hook=true; fsShutdownHook=org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@7eb6b6b6
2019-10-12 23:25:18,225 INFO  [shutdown-hook-0] regionserver.ShutdownHook: Starting fs shutdown hook thread.
2019-10-12 23:25:18,226 INFO  [shutdown-hook-0] regionserver.ShutdownHook: Shutdown hook finished.