ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Exception in doCheckpoint
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http://stackoverflow.com/questions/21732988/error-org-apache-hadoop-hdfs-server-namenode-secondarynamenode-exception-in-doc
We need to stop the hadoop services first , and then delete the tmp secondary namenode directory (hadoop.tmp.dir
will tell the path for secondary namenode data directory). After this, start the services again and the issue will be fixed.
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