[jira] Commented: (WW-3069) Migration from 2.0.x to 2.1.x: fieldError does not use the full parameter name as id

["Henrik Brautaset Aronsen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/struts/browse/WW-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45811#action_45811 ] 

Henrik Brautaset Aronsen commented on WW-3069:
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To elaborate further: How will the template / fieldError cope with MyAction.getForm().getEmail() vs. MyAction.getEmail() if they both are referred to as <s:fielderror fieldName="email" />?

> Migration from 2.0.x to 2.1.x: fieldError does not use the full parameter name as id
> ------------------------------------------------------------------------------------
>
>                 Key: WW-3069
>                 URL: https://issues.apache.org/struts/browse/WW-3069
>             Project: Struts 2
>          Issue Type: Bug
>    Affects Versions: 2.1.6
>            Reporter: Henrik Brautaset Aronsen
>
> After upgrading from Struts 2.0.11 to 2.1.6, fieldErrors weren't displayed next to form fields any more.   The validation still worked, because I could still see the errors by issuing a <s:fielderror/>.
> My form is a value on the action, and is addressed like this:
>    <s:textfield label="Your e-mail address" name="form.email" theme="mytheme" />
> I noticed that to access a separate value in fieldError in 2.1.6, I had to chop off "form.":
>    <s:fielderror fieldName="form.email" /> <!-- doesn't show anything -->
>    <s:fielderror fieldName="email" /> <!-- shows the error-->
> Now, to be able to show my error using my template, I had to add an ID to my textfield:
>    <s:textfield label="Your e-mail address" id="email" name="form.email" theme="mytheme" />
> Then I had to change the default hasErrorField assignment in the controlheader.tpl template:
>    <#assign hasFieldErrors = parameters.name?? && fieldErrors?? && fieldErrors[parameters.name]??/>  <!-- does not work -->
>    <#assign hasFieldErrors = parameters.id?? && fieldErrors?? && fieldErrors[parameters.id]??/>  <!-- works as intended -->
> And change way I fetched errors in my controlfooter.tpl:
>    <#list fieldErrors[parameters.name] as error> <!-- does not work -->
>    <#list fieldErrors[parameters.id] as error> <!-- works -->
> Voila!  I can see field errors again.
> Just to summarize:  To access a fieldError, I have to manually strip "form."from "form.email".  I also have to set an additional ID on my form fields (with the stripped value) to be able to access it from my template.  Is this the intended behaviour?

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