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Date: Wed, 14 Mar 2007 13:50:10 -0700 (PDT)
From: "Mike Kienenberger (JIRA)" <dev@myfaces.apache.org>
To: dev@myfaces.apache.org
Subject: [jira] Commented: (MYFACES-790) Select Menus bound to Integer value
 with calculated el expression in itemValue don't work
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    [ https://issues.apache.org/jira/browse/MYFACES-790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480921 ] 

Mike Kienenberger commented on MYFACES-790:
-------------------------------------------

Carsten,

It is your responsiblity as the programmer to insure that the type of itemValue is the correct type.  Conversion only happens between itemLabels and itemValues, not between itemValues and your backing bean methods.

This is a different issue than the original reported problem (where it looks like the bug is that the EL expression parser is returning a Long when maybe it should be returning an Integer).

> Select Menus bound to Integer value with calculated el expression in itemValue don't work
> -----------------------------------------------------------------------------------------
>
>                 Key: MYFACES-790
>                 URL: https://issues.apache.org/jira/browse/MYFACES-790
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 1.1.1
>         Environment: MyFaces 1.1.1, WebSphere 5.1.2, Windows
>            Reporter: Thomas Winkler
>         Assigned To: Manfred Geiler
>
> Assume the following code:
> <h:selectOneMenu value="#{bean.integerValue}" required="true">
> <f:selectItem itemValue="#{bean2.integerValue1 + bean2.integerValue2}" itemLabel="someLabel"/>
> </h:selectOneMenu>
> The problem here is, that the itemValue-property will be evaluated to a value of type java.lang.Long. The submitted value will be of type java.lang.Integer. When both values are the same, e.g. 9, the test in the class _SelectItemsUtil, line 68
>    integerValue.equals(longValue)
> will fail and we get an error.
> Suggestion for problem solution:
> The problem may be resolved according 4.1.13.2 of JSF Spec 1.1 by trying to convert the EL calculated value to the data type of the parent component's type.

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