[jira] [Commented] (FLINK-9942) Guard handlers against null fields in requests

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-9942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16555214#comment-16555214 ] 

Chesnay Schepler commented on FLINK-9942:
-----------------------------------------

[~GJL] What was the reasoning behind this change?

> Guard handlers against null fields in requests
> ----------------------------------------------
>
>                 Key: FLINK-9942
>                 URL: https://issues.apache.org/jira/browse/FLINK-9942
>             Project: Flink
>          Issue Type: Improvement
>          Components: REST
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Major
>
> In FLINK-8233 the {{ObjectMapper}} used for the REST API was modified to not fail on missing creator properties. This means that any field for any request may be null.
> Since fields not being null was an assumption that handlers were previously built on, we now have to scan every implementation to ensure they can't fail with an NPE.



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