jsf 2 - selectCheckboxMenu primefaces return empty List -


i'm trying selected values selectcheckboxmenu using primefaces 5.3 , jsf 2, selection list empty.

this html part:

<p:selectcheckboxmenu id="cours" value="#{etudiantcontroller.checkedcours}"     converter="#{coursconverter}" label="liste cours available" multiple="true"      panelstyle="width:250px">     <f:selectitems value="#{etudiantcontroller.coursetudiant}" var="coursetd"          itemlabel="#{coursetd.libellecours}" itemvalue="#{coursetd.idcours}" /> </p:selectcheckboxmenu>

bean part:

private list<cours> checkedcours;  for(cours courstoadd : checkedcours){     system.out.println("enter ... !!!");     coursservice.addcours(courstoadd); }

converter :

public class coursconverter implements converter {  public object getasobject(facescontext context, uicomponent component, string value) {     if (value != null && !value.isempty()) {         return component.getattributes().get(value);     }     return null; }  public string getasstring(facescontext context, uicomponent component, object value) {     if (value == null) {         return "";     }     if (value instanceof cours) {         cours cours = (cours) value;         string name = cours.getlibellecours();         return name;     } else {         throw new converterexception(new facesmessage(value + " est un cours non valide"));     } } }

the problem here never enter in block.

any help? thank you.

try setting id converter , calling using id

@facesconverter("coursconverter") public class coursconverter implements converter {     ... }

--

<p:selectcheckboxmenu id="cours" value="#{etudiantcontroller.checkedcours}"     converter="coursconverter" label="liste cours available" multiple="true"      panelstyle="width:250px">     <f:selectitems value="#{etudiantcontroller.coursetudiant}" var="coursetd"      itemlabel="#{coursetd.libellecours}" itemvalue="#{coursetd.idcours}" />


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