[seam-issues] [JBoss JIRA] Commented: (JBSEAM-4654) s:selectItems noSelectionLabel does not generate option value
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https://jira.jboss.org/browse/JBSEAM-4654?page=com.atlassian.jira.plugin....
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Martin Filip commented on JBSEAM-4654:
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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
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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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