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https://issues.apache.org/jira/browse/FLINK-2823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14947596#comment-14947596
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ASF GitHub Bot commented on FLINK-2823:
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Github user mxm commented on the pull request:
https://github.com/apache/flink/pull/1235#issuecomment-146330037
The Hadoop configuration may also be set through resource files in the
classpath. IMHO throwing an exception is only acceptable when we're sure no
configuration has been loaded.
> YARN client should report a proper exception if Hadoop Env variables are not
> set
> --------------------------------------------------------------------------------
>
> Key: FLINK-2823
> URL: https://issues.apache.org/jira/browse/FLINK-2823
> Project: Flink
> Issue Type: Bug
> Components: YARN Client
> Affects Versions: 0.10
> Reporter: Stephan Ewen
> Fix For: 0.10
>
>
> The important variables are {{HADOOP_HOME}} and {{HADOOP_CONF_DIR}}.
> If none of the two environment variables are set, the YARN client does not
> pick the correct settings / file system to successfully deploy a job.
> The YARN client should throw a good exception. Right now, this requires some
> tricky debugging to find the cause of the problem.
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