Dear All,

I installed Github  recently and in hadoop command line I get following error

I ran into this problem couple of days ago and still not finding the way to resolve it.

Whenever I open the Hadoop command line, I get JAVA_HOME not set error as shown below

The system cannot find the path specified.
Error: JAVA_HOME is incorrectly set.
       Please update c:\Hadoop\hadoop-1.1.0-SNAPSHOT\conf\hadoop-env.cmd
Usage: hadoop [--config confdir] COMMAND

Few options I tried

1.Changed the Java_Home path to  C:\Hadoop\java\bin in my system

Also changed in C:\Hadoop\hadoop-1.1.0-SNAPSHOT\conf\hadoop-env.sh as export JAVA_HOME="C:\Hadoop\java\bin"

But this did not solve the problem

2.I had local installation of Java.So I thought it could be the problem. I also tried pointing JAVA_HOME in both my system environment variables and in script as

 export JAVA_HOME="C:\Program Files\Java\jdk1.7.0_40"

But again this problem has not solved

Am I missing out something here?

Did anyone face similar problem? If yes what is the solution.

Also note: entering java or javac in hadoop command line lists all the commands but none of the hadoop commands work

• Edited by HadoopUser Tuesday, December 10, 2013 12:02 AM addition of note

Hi,

I think you may need some tutorails as reference.Please Bing this issue.

Thank you.The problem is resolved.I removed Emulator and reinstalled all over again...somehow its working without any error message!!

• Marked as answer by Will ShaoMicrosoft contingent staff, Moderator Tuesday, December 17, 2013 1:39 AM

I have just made the same problem, would you like to give me more detail a bout it as well as how to fix it. Thanks

Hi,

Am facing the same error JAV_HOME not set properly. you said that i removed Emulator and reinstalled all over again, 

What is Emulator where it exists and how to remove please let me know how to resolve above error

Thanks,

Sudhakar.

I too would like to know what you mean by "removed Emulator."  Also getting this problem, and cannot find any solutions online so far.