hmaster启动后自动关闭
regionserver.HRegionServerCommandLine: Region server exiting
java.lang.RuntimeException: HRegionServer Aborted
zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
HDFS节点时间不一样！！！！一个时24h一个时12h，改为一样。
HMaster已存在