paul8263 opened a new pull request #15927:
URL: https://github.com/apache/flink/pull/15927
## What is the purpose of the change
Fixed missing classloader URL when using
ClassLoaderUtil.getUserCodeClassLoaderInfo to retrieve the info of
SafetyNetWrapperClassLoader.
## Brief change log
- Added overridden getURLs method in SafetyNetWrapperClassLoader
- Added corresponding unit tests
- Refactored getUserCodeClassLoaderInfo in ClassLoaderUtil, by extracting
the URL formatting logic to an independent method.
## Verifying this change
This change is already covered by existing tests, such as:
- FlinkUserCodeClassLoadersTest.testGetClassLoaderInfo
- FlinkUserCodeClassLoadersTest.testGetClassLoaderInfoWithClassLoaderClosed
## 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
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