Hadoop Streaming ignores unknown commands
-----------------------------------------
Key: MAPREDUCE-3521
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3521
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 0.23.0
Reporter: Robert Joseph Evans
Assignee: Robert Joseph Evans
Priority: Minor
The hadoop streaming command will ignore any command line arguments to it.
{code}
hadoop jar streaming.jar -input input -output output -mapper cat -reducer cat
ThisIsABadArgument
{code}
Works just fine. This can mask issues where quotes were mistakenly missed like
{code}
hadoop jar streaming.jar -input input -output output -mapper xargs cat -reducer
cat -archive someArchive.tgz
{code}
Streaming should fail if it encounters an unexpected command line parameter
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