Nico Kruber created FLINK-30045:
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Summary: FromClasspathEntryClassInformationProvider too eager to
verify MainClass
Key: FLINK-30045
URL: https://issues.apache.org/jira/browse/FLINK-30045
Project: Flink
Issue Type: Bug
Components: Client / Job Submission
Affects Versions: 1.16.0, 1.17.0
Reporter: Nico Kruber
Assignee: Nico Kruber
Fix For: 1.17.0, 1.16.1
{{FromClasspathEntryClassInformationProvider}} is attempting to verify
(eagerly) whether the given MainClass is on the user classpath. However, it
doesn't handle cases where the main class is inside a nested jar.
This is something you would see when using such a nested jar file with the
{{StandaloneApplicationClusterEntryPoint}}, e.g. from {{standalone-job.sh}}
We actually don't need this check at all since {{PackagedProgram}} is already
doing it while attempting to load the main class. Having this once should be
enough.
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