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https://issues.apache.org/jira/browse/TAP5-2391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thiago H. de Paula Figueiredo reopened TAP5-2391:
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Reopening on George Christman's request in the mailing list:
http://apache-tapestry-mailing-list-archives.1045711.n5.nabble.com/Newly-introduced-validation-bug-5-4-beta-26-tp5729742p5729982.html
> Field-specific error not shown when AJAX used
> ---------------------------------------------
>
> Key: TAP5-2391
> URL: https://issues.apache.org/jira/browse/TAP5-2391
> Project: Tapestry 5
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.4
> Reporter: Geoff Callender
> Assignee: Howard M. Lewis Ship
> Priority: Critical
> Fix For: 5.4
>
>
> Found this bug in 5.4-beta-22. I've confirmed that the bug was not present in
> 5.4-beta-6.
> When an error is recorded with Form.recordError(Field field, String
> errorMessage) or ValidationTracker.recordError(Field field, String
> errorMessage) it normally is shown in the UI by decorating the field in error
> and displaying the errorMessage below it.
> In 5.4-beta-6 and every release ever before that, that was the behaviour
> regardless of whether the request is non-AJAX or AJAX.
> In 5.4-beta-22, the behaviour changes when the request is AJAX: the field
> does not display an error. That is, the field is *not* decorated and the
> errorMessage is *not* shown with it. If your Errors component has
> globalOnly="true", which is the norm these days, then you won't even see the
> error message there! If you set globalOnly="false" then the message *is*
> shown, but who would want to set globalOnly="false"???
> Comparing the HTTP responses of beta-22 with beta-6, I see that beta-6 had an
> extra entry in the inits, like this:
> ["t5/core/fields:showValidationError", "firstName_8cf3108fe0ece9", "First
> Name must not be Acme."]
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