When I try to execute any Hadoop commands error pops up saying unable to find or load main class M

Question

I have done the following steps

1. Extracted the tar.gz into a folder in C:\ ---> C:\hadoop
2. Created and set the HADOOP_HOME environment variable to C:\hadoop
3. Updated the PATH environment variable by adding C:\hadoop\bin
4. Added the JAVA_HOME environment variable and set it to the jdk home folder.

Answer 1

The error might be due to the syntax problem of the system username.

1. In this case, I request you to go to Hadoop Directory and  edit /etc/hadoop/hadoop-env.cmd

2. At the end of the file, you will find  set HADOOP_IDENT_STRING=%USERNAME%

3.In this, you can change the file name and rename it, but  make sure it does  NOT have the space eg.:

set HADOOP_IDENT_STRING=myedureka

I hope this answer helps :)

Comments

its worked for me thank you