07_warning $HADOOP _home is deprecated. Removal method

Warning $HADOOP _home is deprecated. Removal method

The warning appears:

Solution: The first type:

Remove "Export hadoop_home=/opt/modules/hadoop-1.2.1" from the "/etc/profile" file and make it effective,

The command is as follows:

# Source/etc/profile

Why: In the hadoop-config.sh script, there is the following code snippet:

The second Kind

If you want to solve this problem, just let the above

"$HADOOP _home_warn_suppress" is not empty, and "$HADOOP _home" is empty, at least one satisfies the bar

"Warning: $HADOOP _home is deprecated."

You can add "export Hadoop_home_warn_suppress=1" to the "/etc/profile" file and make it effective,

# Vim/etc/profile

Adding environment variables

# Source/etc/profile

07_warning $HADOOP _home is deprecated. Removal method