[jira] [Assigned] (BEAM-3607) Move checkNotNull arg checks to a new checkArgumentNotNull

["Dominik Schöneweiß (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-3607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dominik Schöneweiß reassigned BEAM-3607:
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    Assignee: Dominik Schöneweiß

> Move checkNotNull arg checks to a new checkArgumentNotNull
> ----------------------------------------------------------
>
>                 Key: BEAM-3607
>                 URL: https://issues.apache.org/jira/browse/BEAM-3607
>             Project: Beam
>          Issue Type: Sub-task
>          Components: runner-core, sdk-java-core
>            Reporter: Kenneth Knowles
>            Assignee: Dominik Schöneweiß
>            Priority: P3
>              Labels: Clarified, beginner, newbie, starter
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The simple fact is that {{checkNotNull}} throws NPE which to users looks like a core dump sort of failure. It throws a "500 error" when we usually intend a "400 error", so to speak, so the bugs get filed on the wrong components, or users don't know they passed the wrong thing, etc.



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