remove HiveMain check for HADOOP_HOME
-------------------------------------
Key: OOZIE-793
URL: https://issues.apache.org/jira/browse/OOZIE-793
Project: Oozie
Issue Type: Bug
Components: action
Affects Versions: 3.2.0
Reporter: Alejandro Abdelnur
Assignee: Alejandro Abdelnur
Fix For: 3.2.0
HiveMain is checking for HADOOP_HOME env to be defined.
In Hadoop 0.23 HADOOP_HOME does not exist anymore.
This check was in place because Hive requires the location of the 'hadoop'
script and the Hadoop conf/ directory and uses HADOOP_HOME to determine its
value.
If HADOOP_HOME is not defined Hive fails unless the following properties are
defined in the hive-site.xml
<property>
<name>hadoop.bin.path</name>
<value>[PATH_TO_HADOOP_ROOT]/bin/hadoop</value>
</property>
<property>
<name>hadoop.config.dir</name>
<value>[PATH_TO_HADOOP_ROOT]/conf</value>
</property>
leveraging OOZIE-792, this information can be set in Oozie's
conf/hadoop-conf/hive.xml
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