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https://issues.apache.org/jira/browse/MYFACES-4560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17688036#comment-17688036
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Volodymyr Siedlecki commented on MYFACES-4560:
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Problem looks to occur around here:
[https://github.com/apache/myfaces/blob/4a996076a298b3767dab5e16fd312d5221e6b14a/api/src/main/java/jakarta/faces/component/_ComponentAttributesMap.java#L329]
Call originates here:
[https://github.com/apache/myfaces/blob/89c747e85615e3f33265e664c8361789f38ea7db/api/src/main/java/org/apache/myfaces/core/api/shared/SelectItemsUtil.java#L82]
> Faces Issue #1791 SelectItems rendering
> ---------------------------------------
>
> Key: MYFACES-4560
> URL: https://issues.apache.org/jira/browse/MYFACES-4560
> Project: MyFaces Core
> Issue Type: Improvement
> Affects Versions: 2.3.10, 2.3-next-M7, 3.0.2, 4.0.0-RC4
> Reporter: Melloware
> Priority: Major
>
> See; [https://github.com/jakartaee/faces/issues/1791]
>
> The component should render the itemLabel as instructed by the provided EL,
> even if the backed data type is SelectItem. The default rendering should only
> be done when the attribute is missing.
> Example:
> {code:java}
> <h:form id="frmTest">
> <p:selectOneMenu id="test1">
> <f:selectItems value="#{testView.items}" var="i"
> itemValue="#{i.value}" itemLabel="#{i.value} - #{i.label}" />
> </p:selectOneMenu>
> <p:selectOneMenu id="test2">
> <f:selectItems value="#{testView.items2}" var="i"
> itemValue="#{i.key}" itemLabel="#{i.key} - #{i.value}" />
> </p:selectOneMenu>
> <p:selectOneMenu id="test3">
> <f:selectItems value="#{testView.items}" />
> </p:selectOneMenu>
> <p:selectOneMenu id="test4">
> <f:selectItems value="#{testView.items2}" />
> </p:selectOneMenu>
> </h:form>{code}
> The issue is `id="test1"` the user is expecting it to render
> `itemLabel="#\{i.key} - #\{i.value}"` but it is ignored and just the
> underlying Java SelectItem value is rendered.
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