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https://issues.apache.org/jira/browse/WICKET-6392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16301342#comment-16301342
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Kamil edited comment on WICKET-6392 at 12/22/17 12:54 PM:
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[~mgrigorov] It occurred, that even you (a mean as Wicket developer) can make a
mistake with this.
You suggested in your
[comment|https://issues.apache.org/jira/browse/WICKET-6392?focusedCommentId=16036694&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16036694]
using
{code}
FeedbackCollector(form).collect().stream().forEach(fm -> fm.setRendered(true))
{code}
so I used it.
After months it occurred, that we have a bug in production, because
FeedbackCollector(form) by default takes Session into account as well.
So please think of it: if even you can do it wrong - what about regular users?
That is why I think that "clearFeedbackMessages" method is still relevant.
was (Author: eximius):
[~mgrigorov] It occurred, that even you (a mean as Wicket developer) can make a
mistake with this.
You suggested in your
[comment|https://issues.apache.org/jira/browse/WICKET-6392?focusedCommentId=16036694&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16036694]
using
{code}
FeedbackCollector(form).collect().stream().forEach(fm -> fm.setRendered(true))
{code}
so I used it.
After months it occurred, that we have a bug in production, because
FeedbackCollector(form) by default takes Session into account as well.
So please think of it: if even you can do it wrong - what about regular users?
That is why I think that "clearForm" method is still relevant.
> Can not change Model when form has Validation Errors
> ----------------------------------------------------
>
> Key: WICKET-6392
> URL: https://issues.apache.org/jira/browse/WICKET-6392
> Project: Wicket
> Issue Type: Bug
> Affects Versions: 8.0.0-M6
> Reporter: Kamil
> Assignee: Martin Grigorov
> Attachments: wicket-showcase-cleanForm.zip
>
>
> I have a Modal with Form and Submit button (it is used for creating new
> users).
> Form has several text fields bound to CompoundPropertyModel.
> Everytime I open the Modal, I set the ModelObject as new User();
> It works fine (fields "see" new model if I cancel the window or if I sumbit
> it without erors).
> If Form has validation errors, even if i set compoundModel.setObject(new
> User()); fields have old value and validation erros are present.
> I found
> [workaround|https://stackoverflow.com/questions/8879775/apache-wicket-how-to-update-model-after-validation-error]
> but I believe it should be possible with Wicket without "workarounds"
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