I had a Hadoop version 1.x installed on Linux SUSE 12.3. I moved the directory somewhere else to back it up. I tried to install Hadoop 3.0. I expect Hadoop commands to work based on what I did. I used open source Hadoop 3.0 files. Hadoop commands do not work (with or without sudo).
I have set $HADOOP_COMMON_HOME to be both of these values but the problem kept happening:
$HADOOP_PREFIX
/usr/local/hadoop/hadoop-yarn-project/hadoop-yarn
Neither worked. Whenever I run a Hadoop command I get an error. If I run this command:
sudo /usr/local/hadoop/hadoop-common-project/hadoop-common/src/main/bin/hadoop version
I get this error:
ERROR: Invalid HADOOP_COMMON_HOME
How do I get Hadoop commands to work?