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https://issues.apache.org/jira/browse/WINK-37?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12727303#action_12727303
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Michael Elman commented on WINK-37:
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Personally I prefer to fail user with NPE.
The reason: user that receives null, thinks that there is no available provider
for the submitted input.
But actually this is not the case, since user has passed null for a required
parameter and this means there is a bug in his code.
> detection of null params to avoid NPE
> -------------------------------------
>
> Key: WINK-37
> URL: https://issues.apache.org/jira/browse/WINK-37
> Project: Wink
> Issue Type: Improvement
> Components: Common
> Affects Versions: 0.1
> Reporter: Mike Rheinheimer
> Attachments: npe_patch.txt
>
>
> I was working on a few bigger integration tests, and ran into some NPEs in
> ProvidersRegistry due to my resource passing null params into ProvidersImpl.*
> methods. Granted, this is something an app or resource should not normally
> do, but I think some protection against NPE would be good here. Please see
> proposed patch with tests.
> The supplied test is a start on building up more ProvidersImpl unittests.
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