Matthias Pohl created FLINK-30133:
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Summary: HadoopModuleFactory creates error if the security module
cannot be loaded
Key: FLINK-30133
URL: https://issues.apache.org/jira/browse/FLINK-30133
Project: Flink
Issue Type: Bug
Components: Connectors / Hadoop Compatibility
Affects Versions: 1.15.2, 1.16.0, 1.17.0
Reporter: Matthias Pohl
[HadoopModuleFactory|https://github.com/apache/flink/blob/26aa543b3bbe2b606bbc6d332a2ef7c5b46d25eb/flink-runtime/src/main/java/org/apache/flink/runtime/security/modules/HadoopModuleFactory.java#L51]
tries to load the {{{}HadoopModule{}}}. If it fails to load the module, it
will log an error an return {{null}} which is going to be handled properly. The
resulting error log is, therefore, confusing. We might want to lower the log
level to warning since the error doesn't affect the Flink cluster in a fatal
way.
We might want to make the cluster fail fatally if we consider this a sever
usability problem.
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