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https://issues.apache.org/jira/browse/OOZIE-1063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496799#comment-13496799
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Mohammad Kamrul Islam commented on OOZIE-1063:
----------------------------------------------
Some comments are there in old github wiki:
https://github.com/yahoo/oozie/wiki/Oozie-WF-use-cases
Looks for "How to run Map-reduce job written using new Hadoop API?"
We might need to integrate this into latest doc.
> Provide documentation on configuring Oozie to use new Hadoop API
> ----------------------------------------------------------------
>
> Key: OOZIE-1063
> URL: https://issues.apache.org/jira/browse/OOZIE-1063
> Project: Oozie
> Issue Type: Improvement
> Components: docs
> Reporter: Michael Katzenellenbogen
>
> To use the newer mapreduce.* Hadoop API, the Oozie workflow XML configuration
> should have the mapred.mapper|reducer.new-api property set to true. This is
> currently undocumented (on the Oozie side), and throws mysterious
> RuntimeExceptions when using the newer API.
> Example RuntimeExceptions:
> java.lang.RuntimeException: class com.foo.bar.SomeMapper not
> org.apache.hadoop.mapred.Mapper
> java.lang.RuntimeException: class com.foo.bar.SomeOutputFormat not
> org.apache.hadoop.mapred.OutputFormat
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