Migration from 2.0.x to 2.1.x: fieldError does not use the full parameter name
as id
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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:
{code}
<s:textfield label="Your e-mail address" name="form.email" theme="mytheme" />
{code}
I noticed that to access a separate value in fieldError in 2.1.6, I had to chop
off "form.":
{code}
<s:fielderror fieldName="form.email" /> <!-- doesn't show anything -->
<s:fielderror fieldName="email" /> <!-- shows the error-->
{code}
Now, to be able to show my error using my template, I had to add an ID to my
textfield:
{code}
<s:textfield label="Your e-mail address" id="email" name="form.email"
theme="mytheme" />
{code}
Then I had to change the default hasErrorField assignment in the
controlheader.tpl template:
{code}
<#assign hasFieldErrors = parameters.name?? && fieldErrors?? &&
fieldErrors[parameters.name]??/> <!-- does not work -->
<#assign hasFieldErrors = parameters.id?? && fieldErrors?? &&
fieldErrors[parameters.id]??/> <!-- works as intended -->
{code}
And change way I fetched errors in my controlfooter.tpl:
{code}
<#list fieldErrors[parameters.name] as error> <!-- does not work -->
<#list fieldErrors[parameters.id] as error> <!-- works -->
{code}
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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