zhuzhurk opened a new pull request #14170:
URL: https://github.com/apache/flink/pull/14170
## What is the purpose of the change
LazyFromSourcesSchedulingStrategy is possible to schedule vertices which are
not in CREATED state. This will lead result in unexpected check failure and
result in fatal error (see attached error).
The reason is that the status of a vertex to schedule was changed in
LazyFromSourcesSchedulingStrategy#allocateSlotsAndDeployExecutionVertices()
during the invocation of schedulerOperations.allocateSlotsAndDeploy(...) on
other vertices.
This PR is to fix it by checking vertex's state right before scheduling it.
## Verifying this change
- *Added UT*
## 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, Kubernetes/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 applicable** / docs /
JavaDocs / not documented)
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