Tzu-Li (Gordon) Tai created FLINK-6343:
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Summary: Migrate from discouraged Java serialization for all
sources / sinks
Key: FLINK-6343
URL: https://issues.apache.org/jira/browse/FLINK-6343
Project: Flink
Issue Type: Improvement
Components: Streaming Connectors
Reporter: Tzu-Li (Gordon) Tai
With FLINK-6324, the Java serialization shortcut for operator state is now
deprecated to discourage its usage.
These sources / sinks are still using this shortcut, and should be migrated to
use `getListState(descriptor)` instead:
- `BucketingSink`
- `ContinuousFileReaderOperator`
- `GenericWriteAheadSink`
- `MessageAcknowledgingSourceBase`
- `RollingSink`
- `FlinkKafkaConsumerBase` (will be fixed along with the state migration
included with FLINK-4022)
To ease review, I propose to open up subtasks under this JIRA and separate PRs
for the migration of each single source / sink.
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