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https://issues.apache.org/jira/browse/FLINK-13414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17404608#comment-17404608
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Stephan Ewen edited comment on FLINK-13414 at 8/25/21, 5:06 PM:
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"Isn't there still a somewhat hidden Scala dependency in flink-streaming-java, 
because it relies on the KryoSerializer stuff in flink-scala? Or are these only 
required for Scala applications?"

==> We discussed that offline between [~chesnay], me, and others, and indeed, 
there is a physical dependency. But it is possible to decouple that, and 
instantiate Kryo in the absence of the Scala modules with a smaller set of 
default serializers (not including the Scala serializers).


was (Author: stephanewen):
[~chesnay] "Isn't there still a somewhat hidden Scala dependency in 
flink-streaming-java, because it relies on the KryoSerializer stuff in 
flink-scala? Or are these only required for Scala applications?"

==> We discussed that offline, and indeed, there is a physical dependency. But 
it is possible to decouple that, and instantiate Kryo in the absence of the 
Scala modules with a smaller set of default serializers (not including the 
Scala serializers).

> Add support for Scala 2.13
> --------------------------
>
>                 Key: FLINK-13414
>                 URL: https://issues.apache.org/jira/browse/FLINK-13414
>             Project: Flink
>          Issue Type: New Feature
>          Components: API / Scala
>            Reporter: Chaoran Yu
>            Priority: Minor
>              Labels: auto-deprioritized-major
>




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