[jira] [Created] (FLINK-12631) Check if proper JAR file in JobWithJars

[Shang Yuanchun (Jira)]

Ji Liu created FLINK-12631:
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             Summary: Check if proper JAR file in JobWithJars
                 Key: FLINK-12631
                 URL: https://issues.apache.org/jira/browse/FLINK-12631
             Project: Flink
          Issue Type: Improvement
            Reporter: Ji Liu
            Assignee: Ji Liu


Currently, _checkJarFile_ checks if the file exists and canRead. Jar file is checked much later than necessary.

As an intermediate solution we can check if proper jar file right in this method to early detect illegal problems.

  



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