Eugene Shevchuk created OOZIE-1496:
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Summary: Oozie demo and streaming examples fails to run on Windows
Key: OOZIE-1496
URL: https://issues.apache.org/jira/browse/OOZIE-1496
Project: Oozie
Issue Type: Bug
Reporter: Eugene Shevchuk
Attachments: fix.patch
The mapreduce jobs which are run by streaming and demo oozie examples fails
with following error:
Caused by: java.io.IOException: Cannot run program "/bin/cat":
CreateProcess error=2, The system cannot find the file specified
Both have
<streaming><mapper>/bin/cat</mapper><reducer>/usr/bin/wc</reducer></streaming>
parameters in their workflow.xml. To fix this issue it's needed to have another
mapper and reducer programms for Windows. As appropriate analogs on Windows can
be "powershell -command "$input | Write-Host"" for mapper and "powershell
-command "$input | Measure-Object -Word -Line -Character"" so it's not needed
to rewrite any supporting Java code for this examples.
That's why separated job.properties for Windows and Linux versions were
created. Both contains additional parameters "streamingMapper" and
"streamingReducer" whose values are commands for OS-specific mapper and reducer.
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