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Posted to issues@flink.apache.org by "Till Rohrmann (Jira)" <ji...@apache.org> on 2020/12/14 12:36:00 UTC

[jira] [Closed] (FLINK-20521) Null result values are being swallowed by RPC system

     [ https://issues.apache.org/jira/browse/FLINK-20521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann closed FLINK-20521.
---------------------------------
    Resolution: Fixed

Fixed via

1.13.0: 8d8125037adb678ad31b47809786b03628319db0
1.12.1: e2b3e86041df74e5e80a35a79e1a6066218083a1

> Null result values are being swallowed by RPC system
> ----------------------------------------------------
>
>                 Key: FLINK-20521
>                 URL: https://issues.apache.org/jira/browse/FLINK-20521
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.12.0, 1.11.2
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.13.0, 1.12.1
>
>
> If an RPC method returns a {{null}} value, then it seems that the request future won't get completed as reported in FLINK-17921.
> We should either not allow to return {{null}} values as responses or make sure that a {{null}} value is properly transmitted to the caller.



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