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

[Shang Yuanchun (Jira)]

Arvid Heise created FLINK-17819:
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             Summary: 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


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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