Working With Hadoop: localhost: Error: JAVA_HOME is not set

Question

I\'m working with Ubuntu 12.04 LTS.

I\'m going through the hadoop quickstart manual to make a pseudo-distributed operation. It seems simple and straightforward (eas

Answer 1

regardless of debian or any linux flavor, just know that ~/.bash_profile belongs to specific user and is not system wide. in pseudo-distributed environment hadoop works on localhost so the $JAVA_HOME in .bash_profile is no use anymore.

just export the JAVA_HOME in ~/.bashrc and use it system wide.