codenohup opened a new pull request, #26112:
URL: https://github.com/apache/flink/pull/26112
## What is the purpose of the change
Fix two bugs of DataStream V2:
1. When joining two tuple DataStreams using JoinExtension, an exception is
thrown "Tuple needs to be parameterized by using generics".
2. DSv2 does not support adding a FileSink, even when the FileSink does not
include committing topology.
## Brief change log
1. Correct usage of TypeExtractor in JoinExtension
2. Support FileSink in DSv2 if the FileSink does not add committing topology
3. Add a IT test case
## Verifying this change
Added a test case:
org.apache.flink.test.streaming.api.datastream.extension.join.JoinITCase#testJoinWithTuple
## 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, 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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