CODEWITHSUNDEEP
hadoopjava-home
Thilina dias
Thilina dias

Reputation: 1

JAVA_HOME is not set and could not be found. error on When Install HADOOP

I'm new to the hadoop. when the process of the installation, i gave hadoop.env.sh a JAVA_HOME path, but when I'm going to execute hdfs namenode -format it says that the java_home is not set.when check it again, it also saved in the hadoop.env.sh. i can't up the hdfs because of this. explained help is much appreciated.

thank u. i've attached the screen shot for the reference as well.[hadoop.env.sh view][error message]1

Upvotes: 0

Views: 752

Answers (2)

CHEEKATLAPRADEEP
CHEEKATLAPRADEEP

Reputation: 12768

Make sure you have set environment variable correctly.

https://hadoopwala.wordpress.com/2016/07/03/java/

Reference: Hadoop-Psuedo Distributed Mode

Hope this helps.

Upvotes: 0

Pradeep Bhadani
Pradeep Bhadani

Reputation: 4721

Can you restart HDFS service after adding JAVA_HOME to hadoop-env.sh? ALso try echoing echo $JAVA_HOME before running hadoop namenode format command.

Upvotes: 1

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