rkhachatryan opened a new pull request #15466:
URL: https://github.com/apache/flink/pull/15466
## What is the purpose of the change
Don't start checkpoint if there is any source task not in RUNNING state.
Currently, only (`CREATED`, `RECOVERING`, `SCHEDULED`, `DEPLOYING`) source
states are disallowed explicitly (in addition to finished).
If source is e.g. `CANCELLING` then such checkpoint will timeout in the best
case.
## Verifying this change
- added
`DefaultCheckpointPlanCalculatorTest.testCheckpointNotStartedIfSourceCancelled`
unit test
- the issue is already covered by `UnalignedCheckpointITCase` on integration
level
## 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/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? no
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