link3280 opened a new pull request, #21581: URL: https://github.com/apache/flink/pull/21581
**(The sections below can be removed for hotfixes of typos)** --> ## What is the purpose of the change Currently, the stop-job operation produces some verbose error msg and doesn't handle exceptions in stop-without-savepoint gracefully. This PR fixes the problem. ## Brief change log - Wrap simple cancel with try-catch. - Wait for simple cancel Acknowledge before returning 'OK'. - Simplify exception message for stop job operations. ## Verifying this change Please make sure both new and modified tests in this PR follows the conventions defined in our code quality guide: https://flink.apache.org/contributing/code-style-and-quality-common.html#testing This change is a trivial rework / code cleanup without any test coverage. ## 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: no - The S3 file system connector: no ## Documentation - Does this pull request introduce a new feature? no - If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented) -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
