syhily opened a new pull request, #20336:
URL: https://github.com/apache/flink/pull/20336
## What is the purpose of the change
PulsarSchema uses readObject and writeObject for customized serialization.
But the ObjectInputStream only accepts the first 1018 bytes. We had to remove
the custom logic and didn't override the default mechanism.
## Brief change log
1. Add a test for reproducing the bug (Big schema serialization issue)
2. Change the serialization logic in `PulsarSchema`
## Verifying this change
This change added tests and can be verified as follows:
- `PulsarSchemaTest.largeAvroSchemaSerialization`
## 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: (yes)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, 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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