Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/4105
Is the code ever called from Java code, or is that purely within the Scala
code base?
Just FYI, the design principles in the DataStream and DataSet API are:
- Never run `TypeExtractor` for Scala code. Scala code always uses
implicits and context bounds for the Type Information
- Java code entry methods uses the Type Extractor
- Code that is shared between Java / Scala always gets the Type
Information passed in
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