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

I also had faced the similar problem in hadoop 1.1 I had not noticed that the JAVA_HOME was commented in: hadoop/conf/hadoop-env.sh

It was

/#JAVA_HOME=/usr/lib/jvm/java-6-oracle

Had to change it to

JAVA_HOME=/usr/lib/jvm/java-6-oracle