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Hbase Regionserver automatically gets shut down

hbase regionserver automatically shut down and after restart it is working fine, what could be error, here is log available for same problem :

zookeeper.ZooKeeperWatcher: regionserver

baseZNode=/hbase-unsecure Received unexpected KeeperException, re-throwing exception

zookeeper.RecoverableZooKeeper: ZooKeeper delete failed after 7 attempts


can you please check the causes mentioned by @Josh Elser in a comment below and try debugging?

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