Venkat Ranganathan created SQOOP-1260:
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Summary: HADOOP_MAPRED_HOME should be defaulted correctly
Key: SQOOP-1260
URL: https://issues.apache.org/jira/browse/SQOOP-1260
Project: Sqoop
Issue Type: Bug
Environment: Hadoop 2.x
Reporter: Venkat Ranganathan
Attachments: SQOOP-1260.patch
When running Sqoop on Hadoop 2.x which has been installed using the BigTop
layout (with a custom hadoop-layout.sh), we run into issues in a setup where
only Hadoop and sqoop are installed with the failure in the compilation of the
generated Java file.
This is because in Sqoop, the HADOOP_MAPRED_HOME is defaulted to HADOOP_HOME
(/usr/lib/hadoop by default) when the variable is not set.
This results in the mapreduce libraries not being added to the classpath and
hence the failure. If we have HBase installed, then we add the HBase classpath
which causes the mapreduce libraries to be brought into the classpath and hence
we don't see the issue.
We should default HADOOP_MAPRED_HOME to /usr/lib/hadoop-mapreduce (the BigTop
default) if the directory is present else default to HADOOP_HOME
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