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https://issues.apache.org/jira/browse/MAPREDUCE-3982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Joseph Evans updated MAPREDUCE-3982:
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Attachment: MR-3982.txt
This patch adds in a unit test that verifies that it still works even without
any output.
I started to port TestEmptyJob to the MiniMrYarnCluster, but it uses a lot of
methods that are specific to the JT implementation to do some sort of
synchronization test. I really don't understand all of the reasons for that
test and why it is trying to force the scheduler to schedule something. I will
file a separate JIRA to port it over because it is probably going to take a
while for me to fully understand the test.
> TestEmptyJob fails with FileNotFound
> ------------------------------------
>
> Key: MAPREDUCE-3982
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3982
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.24.0, 0.23.2
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Priority: Critical
> Attachments: MR-3982.txt, MR-3982.txt
>
>
> TestEmptyJob fails because teh FileOutputCommitter expects a directory to be
> created that is not created. The FileOutputCommitter should either ignore
> the error or create the directory itself.
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