[seam-issues] [JBoss JIRA] Commented: (JBSEAM-4654) s:selectItems noSelectionLabel does not generate option value

Mon Jun 21 06:37:46 EDT 2010

    [ https://jira.jboss.org/browse/JBSEAM-4654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12536523#action_12536523 ] 

Martin Filip commented on JBSEAM-4654:
--------------------------------------

I'm experiencing the same problems as you've described here.

After few hours of experiments I've found, that this problem is related to <ui:debug />.

I have two files: home.xhtml and home2.xhtml in same project, should be same except ui:debug:

home.xhtml:
<body>
                        <h:selectOneMenu value="#{personHome.instance.continent}" required="true" id="continent">
                                <s:selectItems value="#{continents.resultList}" var="continent" label="#{continent.name}" noSelectionLabel="Please Select..."/>
                                <s:convertEntity />
                        </h:selectOneMenu>
</body>
this one does not generate option value

home2.xhtml:
<body>
<ui:debug id="debug" />
                        <h:selectOneMenu value="#{personHome.instance.continent}" required="true" id="continent">
                                <s:selectItems value="#{continents.resultList}" var="continent" label="#{continent.name}" noSelectionLabel="Please Select..."/>
                                <s:convertEntity />
                        </h:selectOneMenu>
</body>
this one works correct. Except there is present all stuff, which generates ui:debug.

> s:selectItems noSelectionLabel does not generate option value
> -------------------------------------------------------------
>
>                 Key: JBSEAM-4654
>                 URL: https://jira.jboss.org/browse/JBSEAM-4654
>             Project: Seam
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.2.1.CR1
>         Environment: JBoss 6 M3
>            Reporter: Andrew Wheeler
>
> When a selectOneMenu has no items other than the no selection option it does not render the option value as org.jboss.seam.ui.NoSelectionConverter.noSelectionValue. In this case the there are no values in person.images.
> <h:selectOneMenu id="portrait" value="#{person.portrait}">
>     <s:selectItems value="#{person.images}" var="i" label="#{i.annotation}" hideNoSelectionLabel="false" noSelectionLabel="Select a portrait..."/>
>     <s:convertEntity/>			
> </h:selectOneMenu>
> This renders:
> <select id="person:portraitDecoration:portrait" name="person:portraitDecoration:portrait" size="1">	<option selected="selected">Select a portrait...</option>
> </select>
> The result is that any form submit causes a java.lang.NumberFormatException with message: "For input string: "Select a portrait..."" 
> I have debugged a little and I can see that the converter is not firing when rendering the page. It does however fire for other selectOneMenu items on the page that have one or more items.
> A similar and perhaps related issue is referenced in the JBoss Forum.

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