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I am trying to install and configure hadoop in the system Ubuntu 16.04, as per the guidelines of https://data-flair.training/blogs/installation-of-hadoop-3-x-on-ubuntu/

all the steps were run successfully, but while trying to run the command hdfs namenode -format, I get a message

OneCricketeer
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Shantha Anand
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  • Update question with correct error message (screenshot is correctly added) – Shubhangi Feb 10 '18 at 07:17
  • Please don't add an image of a terminal. Copy the text output into the question itself. 1) The version you're downloading is an old alpha release 2) Hadoop 3 isn't "production ready", and Hadoop 2.7 is more commonly used by every other Hadoop vendor as for now 3) The official documentation should be used before any other guides – OneCricketeer Feb 10 '18 at 13:01

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There is some problem with your bashrc file. Just check your variables inside bashrc. Even I faced the same problem when I started with hadoop. Mention correct path for each and every variable and afterwards use source ~/.bashrc to commit the changes done to your bashrc file

whatsinthename
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