pnowojski opened a new pull request #9959: [FLINK-14235][kafka,tests] Change source in at-least-once test from finite to infinite URL: https://github.com/apache/flink/pull/9959 Previously it was possible that the source would end before a first chcekpoint could complete. If that was the case, any exceptions thrown during checkpointing are swallowed, which could explain the apparent data loss from FLINK-14235. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicabl**e / docs / JavaDocs / not documented)
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