Namenode stops automatically after a while when started Hadoop

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I have installed Hadoop, but after installation when I used jps command to see all Hadoop daemons are running or not, it worked. But I had to shut my system for some stuffs and again when I run the command again its showing all the daemons accept Namenode.

I have already checked with both these command and start-dfs.dh. Still its not working, can anyone give solution to this error?

Jun 17, 2019 in Big Data Hadoop by Janosh

1 answer to this question.

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You can follow these steps which can solve your issue:

  • Delete all the files from the temporary folder: 
rm -Rf <tmp dir>  (my was usr/edureka/hadoop/tmp)
  • Forget the Namenode:

bin/hadoop namenode -format
  • Start all process again:


I hope it will work.


answered Jun 17, 2019 by Gitika
• 65,950 points

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