org.apache.hadoop.hbase.TableExistsException: hbase:namespace

Problem is here : https://community.cloudera.com/t5/Storage-Random-Access-HDFS/HMaster-not-starting-TableExistsException/td-p/11466

The solution:

First, perform

?

1	zookeeper-client -server ip port

 on the zookeeper node. We get:

Then, perform

?

1

ls /

 we get:

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1	[zookeeper, yarn-leader-election, chronos, hbase]

 Finally, perform

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1	rmr /hbase

Done!