<managed-bean>
  <managed-bean-name>selectItemMenuBean</managed-bean-name>
  <managed-bean-class>
   beans.SelectItemMenuBean
  </managed-bean-class>
  <managed-bean-scope>request</managed-bean-scope>
  <managed-property>
   <property-name>items</property-name>
   <property-class>java.util.TreeMap</property-class>
   <map-entries>
    <key-class>java.lang.String</key-class>
    <value-class>java.lang.String</value-class>
    <map-entry>
     <key>customValidator</key>
     <value>
      toto
     </value>
    </map-entry>
    <map-entry>
     <key>customValidatorTag</key>
     <value>
      tutu
     </value>
    </map-entry>
   </map-entries>
  </managed-property>
 </managed-bean>

public class SelectItemMenuBean {
 private String choice;
 private TreeMap items;
 public String getChoice() {
  return choice;
 }
 public void setChoice(String choice) {
  this.choice = choice;
  ...
 }
 public TreeMap getItems() {
  return items;
 }
 public void setItems(TreeMap items) {
  this.items = items;
 }  
}

org.apache.jasper.JasperException: javax.servlet.jsp.JspException: javax.faces.FacesException: javax.faces.FacesException: Impossible de définir une propriété de bean gérée : 'items'.