[richfaces-issues] [JBoss JIRA] Created: (RF-1885) immediate="true" does not work on a4j:support tag

[egor kolesnikov (JIRA)]

immediate="true" does not work on a4j:support tag
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                 Key: RF-1885
                 URL: http://jira.jboss.com/jira/browse/RF-1885
             Project: RichFaces
          Issue Type: Bug
    Affects Versions: 3.1.2
         Environment: mac osx 10.5.1, safari 3.0.4
            Reporter: egor kolesnikov


 <rich:panel>
                                <h:inputText id="keywordInput"
                                             value="#{stopWordsManager.keyword}"
                                             required="true"
                                             requiredMessage="Please enter the Keyword"/>
                                <h:commandButton actionListener="#{stopWordsManager.resetSearch}"
                                                 value="Reset"
                                                 immediate="true"/>
                                <p><rich:message for="keywordInput"/></p>
                            </rich:panel>
                            <rich:dataTable id="stopWordsTable" rows="#{stopWordsList.pageSize}"
                                            value="#{stopWordsList.stopWords}" var="stopWord"
                                            rendered="#{not stopWordsList.isEmpty()}">
                                <h:column>
                                    <h:selectBooleanCheckbox value="#{stopWord.selected}" immediate="true">
                                        <a4j:support event="onchange" immediate="true"/>
                                    </h:selectBooleanCheckbox>
                                </h:column>
                            </rich:dataTable>
                        </h:form>
</rich:panel>

It is expected that "<a4j:support event="onchange" immediate="true"/>" there will be no validation and a4j will set the "selected" attribute properly, but it looks like this does not happen - validation happens and "setSelected(boolean)" method is not being called.

However, using "<a4j:support event="onchange" ajaxSingle="true"/>" solves the problem, but it looks like a "hack". It is said in the RF spec:

 Note, that ajaxSingle="true" reduces the upcoming traffic, but does not 
			prevent decoding other input components on the server side. Some JSF components,
			 such as h:selectOneMenu do recognize the missing data in the request map value as
			 a null value and try to pass the validation process with a failed result. Thus, 
			 use a4j:region to limit a part of the component tree that will be processed
			 on the server side when it is required.





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