[jsf] Populate property of type 'int' with <f:selectItem> tag

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Hi,

I cannot figure out how to populate a managed bean's property of type
int with a <f:selectItem> tag inside a <h:selectOneListbox>. Here's some
code:

Managed-Bean:

package test;
public class Bean {
 private int value;
 public void setValue(int value) {
  this.value = value;
 }
 public int getValue() {
  return this.value;
 }
}

faces-config:

<managed-bean>
 <managed-bean-name>bean</managed-bean-name>
 <managed-bean-class>test.Bean</managed-bean-class>
 <managed-bean-scope>application</managed-bean-scope>
</managed-bean>

JSF:

<h:selectOneListbox value="#{bean.value}" size="1">
 <f:selectItem itemValue="2" itemLabel="2" />
 <f:selectItem itemValue="3" itemLabel="3" />
 <f:selectItem itemValue="4" itemLabel="4" />
</h:selectOneListbox>

Result: "Validierungs-Fehler: Wert nicht g?ltig." (reads: Validation
error, invalid value).

Where is my mistake or is it just impossible to populate none-String
properties using static selectItem elements?

Cheers,

Christoph
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