Jps- NameNode,DataNode,SecondaryNameNode not running

Jps- NameNode,DataNode,SecondaryNameNode not running

Hadoop Jps : NameNode , DataNode and SecondaryNameNode are not running ,why ??

Jps- NameNode,DataNode,SecondaryNameNode not running

1.       Delete all temp files .

               rm –rf /tmp/*

2.       Format namenode

3.       Delete namenode and datanode folder

So process is to stop all the hadoop services. delete namenode and datanode data directories. Then format the namenode and start datanode.

7 thoughts on “Jps- NameNode,DataNode,SecondaryNameNode not running”

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    1. Hey Ayush
      Its simple , If you get error message as mentioned in title of the blog , you just have to do the following:
      So process is to stop all the hadoop services. delete namenode and datanode data directories. Then format the namenode and start datanode.

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