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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/12/11 10:46:06 UTC

[GitHub] [flink] tillrohrmann commented on pull request #14359: [FLINK-20521][rpc] Add support for sending null responses

tillrohrmann commented on pull request #14359:
URL: https://github.com/apache/flink/pull/14359#issuecomment-743121010


   The reason I opted for supporting null values was that the RPC system already supported null return values for synchronous RPCs, for example `Integer foobar()` could return `null` w/o problems. Moreover, it is the more general solution. As a drawback it comes with all the problems null values in the Java world cause.


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