ferenc-csaky opened a new pull request, #24791: URL: https://github.com/apache/flink/pull/24791
## What is the purpose of the change With https://github.com/apache/flink/commit/e63aa12252843d0098a56f3091b28d48aff5b5af in Flink 1.19 an unintentional change were introduced, that now the `DefaultPackagedProgramRetriever` only loads JARs from the root level of the `usrlib` directory. This change reverts that behavior to search directories in a recursive manner, and adds a test case to cover such scenario. ## Brief change log - `Flies#list` -> `Files#walk` in `DefaultPackagedProgramRetriever`. - Add test case in `DefaultPackagedProgramRetrieverITCase`. ## Verifying this change Added relevant IT case. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): no - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no - The serializers: no - The runtime per-record code paths (performance sensitive): no - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: yes - The S3 file system connector: no -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org