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https://issues.apache.org/jira/browse/MYFACES-2528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12831941#action_12831941
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Jakob Korherr commented on MYFACES-2528:
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Thanks Michael. I am very curious about their solution!
> BeanValidator validation groups are overwritten with PSS
> --------------------------------------------------------
>
> Key: MYFACES-2528
> URL: https://issues.apache.org/jira/browse/MYFACES-2528
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-314
> Affects Versions: 2.0.0-beta
> Reporter: Michael Kurz
> Attachments: MYFACES-2528.patch
>
>
> Setting the validation groups of a bean validator like <f:validateBean
> validationGroups="#{bean.groups}"/> is not always working correctly with PSS.
> Property bean.groups returns null or the class name of a validation group in
> my example based on the value of a boolean checkbox:
> <h:selectBooleanCheckbox value="#{bean.prop1}"
> valueChangeListener="#{bean.prop1Changed}"
> immediate="true" onclick="this.form.submit()"/>
> <h:inputText value="#{bean.prop2}" rendered="#{bean.prop1}">
> <f:validateBean validationGroups="#{bean.groups}"/>
> </h:inputText>
> If I check the boolean checkbox the form is submitted and rendered again with
> the additional input field. The problem now is that the validation groups are
> set correctly on building the view during the second traversal of the
> lifecycle before restoring the state. But on restoring the validator this
> value is overwritten with the old value from the state and my validation
> group is gone again.
> As the BeanValidator is a PartialStateHolder this can be avoided by only
> saving and restoring the state if the initial state was not marked.
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