JackWangCS opened a new pull request #15373:
URL: https://github.com/apache/flink/pull/15373
## What is the purpose of the change
Currently, the JaasModule and ZooKeeperModule will set some system
properties when they are installed. But we don't call the `uninstall()` method
to clean up or restore the prior system properties and there will be some dirty
properties left on JVM.
This pull request calls SecurityUtils.uninstall() to clean up or restore
system properties set by SecurityModules when process exits.
## Brief change log
- *Call SecurityUtils.uninstall() to clean up system properties when
process exits*
## Verifying this change
This change is already covered by existing tests, such as *(please describe
tests)*.
## 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: no
- 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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