Robert Lacroix created MESOS-1050:
-------------------------------------
Summary: Containerizer broke getting hadoop binary from
$HADOOP_HOME and $PATH
Key: MESOS-1050
URL: https://issues.apache.org/jira/browse/MESOS-1050
Project: Mesos
Issue Type: Bug
Components: containerization, hadoop
Affects Versions: 0.18.0
Reporter: Robert Lacroix
In [mesos_containerizer.cpp
|https://github.com/apache/mesos/blob/02a17d8826542b12db1ca3c2668102d7a1763ee8/src/slave/containerizer/mesos_containerizer.cpp#L499]
the containerized always sets HADOOP_HOME to what's passed to the slave as
--hadoop_home.
Therefore even if --hadoop_home is unset, the check in [hdfs.hpp
|https://github.com/apache/mesos/blob/02a17d8826542b12db1ca3c2668102d7a1763ee8/src/hdfs/hdfs.hpp#L41]
is always true and getting the hadoop binary from $HADOOP_HOME or $PATH passed
to the mesos-slave doesn't work. It tries to load hadoop from /bin/hadoop in
this case.
This is a new regression in 0.18.
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