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https://issues.apache.org/jira/browse/DAFFODIL-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Beckerle updated DAFFODIL-2646:
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Priority: Minor (was: Major)
> Choice diagnostics too verbose
> ------------------------------
>
> Key: DAFFODIL-2646
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2646
> Project: Daffodil
> Issue Type: Bug
> Components: Back End, Diagnostics
> Affects Versions: 3.2.1
> Reporter: Mike Beckerle
> Priority: Minor
>
> When a choice has been discriminated, the diagnostics if the discriminated
> branch fails should NOT include
> {code:java}
> Parse Error: All choice alternatives failed {code}
> Because a discriminator isolates things to one branch.
> A choice could backtrack through a few alternatives, eventually hit a
> discriminator, and then fail. There may be branches that were never attempted
> (after the branch where the discriminator occurred) hence, it is simply wrong
> to say all alternatives failed, as there were potentially alternatives that
> were never tried.
> But really, once a discriminator has been evaluated to true, then the choice
> should not be creating any diagnostics about the choice itself, or at worst
> it should be saying "Choice Discriminated Branch Failure" only about the one
> branch.
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