[jira] [Created] (FLINK-30133) HadoopModuleFactory creates error if the security module cannot be loaded

["Matthias Pohl (Jira)" <ji...@apache.org>]

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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