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