zhuzhurk commented on issue #11148: [FLINK-16180][runtime] Replace the nullable vertexExecution in ScheduledUnit with a non-null executionVertexId URL: https://github.com/apache/flink/pull/11148#issuecomment-591453331 @GJL > In [f58f5c0](https://github.com/apache/flink/commit/f58f5c06cad5f4fd0da9ef1d81e37d1a458ba190) it is not clear to me what issue you are trying to solve. The commit message mentions that it fixes potential NPEs but does not specify where exactly. Moreover, I think that a commit of that size is beyond the scope of a hotfix and warrants a separate ticket. The NPE issue happens because `getID()` is not mocked in `SchedulerTestUtils`. So that several test would break with the change on {{ScheduledUnit}}. And you are right that we can have a separate PR to ticket to remove this mockito dependency in `SchedulerTestUtils`. I will open a new ticket for it.
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