slinkydeveloper opened a new pull request #18574: URL: https://github.com/apache/flink/pull/18574
## What is the purpose of the change Cleanup of previous custom ser/de for duration, and introduced jdk8 module for ser/de ## Brief change log * Use jdk 8 and java time modules for duration and optional ser/de ## Verifying this change 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 ## Documentation - Does this pull request introduce a new feature? no - If yes, how is the feature documented? not applicable -- 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