lamber-ken opened a new pull request #8250: [FLINK-11247][runtime] fix NPE when writing the archive json file to FileSystem URL: https://github.com/apache/flink/pull/8250 ## What is the purpose of the change if a flink-job reaches the max attempt count, the flink job will write an archive file to FileSystem and shut down.but when `SubtaskExecutionAttemptDetailsHandler` handle the detail attempt info of subtask, met NEP. for more detail, please see [FLINK-12247](https://issues.apache.org/jira/browse/FLINK-12247). ## Brief change log - `SubtaskExecutionAttemptAccumulatorsHandler` add judgment null condition for `AccessExecution`. - `SubtaskExecutionAttemptDetailsHandler` add judgment null condition for `AccessExecution`. ## Verifying this change This change is already covered by existing tests - *SubtaskExecutionAttemptAccumulatorsHandlerTest*. - *SubtaskExecutionAttemptDetailsHandlerTest*. ## 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): (yes) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes) - 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 )
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