[jira] [Assigned] (FLINK-17819) Yarn error unhelpful when forgetting HADOOP_CLASSPATH

["Kostas Kloudas (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-17819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kostas Kloudas reassigned FLINK-17819:
--------------------------------------

    Assignee: Kostas Kloudas

> Yarn error unhelpful when forgetting HADOOP_CLASSPATH
> -----------------------------------------------------
>
>                 Key: FLINK-17819
>                 URL: https://issues.apache.org/jira/browse/FLINK-17819
>             Project: Flink
>          Issue Type: Improvement
>          Components: Deployment / YARN
>            Reporter: Arvid Heise
>            Assignee: Kostas Kloudas
>            Priority: Major
>              Labels: usability
>
> When running
> {code:bash}
> flink run -m yarn-cluster -yjm 1768 -ytm 50072 -ys 32 ...
> {code}
> without some export HADOOP_CLASSPATH, we get the unhelpful message
> {noformat}
> Could not build the program from JAR file: JAR file does not exist: -yjm
> {noformat}
> I'd expect something like
> {noformat}
> yarn-cluster can only be used with exported HADOOP_CLASSPATH, see <url> for more information{noformat}
>  
> I suggest to load a stub for YarnCluster deployment if the actual implementation fails to load, which prints this error when used.



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