Unable to call the backend action method

Question

Hi,
First of all,I would like to let you know that I am not very much familiar with jsf. My problem is as follows:
I have a jsf page having some input text boxes,one gridview component( Infragistics jsf component) and a submit button. On submit, I am trying to call one managedbean action method. The gridview component has further two columns,one input text box and one h:selectonemenu component.
When I try to submit the page, it doesn't call the managedbean action method.The gridview component has one attribute called datasource which is basically a list.During debugging, I found that on submitting the page, it goes to getter of datasource.
One thing I noticed that If I remove the h:selectonemenu from the gridview component, the action method gets called.
Can any body please suggest me where could be the problem?
Thank you

Answer 1

Hi Guys,
Thanks for your solutions and answers. My problem was solved.
But again I have similar kind of problem. This time I have h:selectOneRadio component which seems to be causing the problem because if I remove this, the call goes to action method. It's again seems to be conversion or validation error.As suggested,I have tried putting <h:message> for this component but I get a warn message in console like "Unable to find component with ID 'categorylist' in view". I further saw in the html source of the page and indeed found that the id was not there.I have no idea about it,why it's happening.
I have following code snippet for jsp page:
<div id="inner_body" style="height: 550px;">
                              <h:outputText value="#{msg.Manage_MED_CLASS}" styleClass="title" />
                              <h:messages globalOnly="true" styleClass="error" />
                              <f:verbatim>
                                   <br />
                                   <br />
                              </f:verbatim>
                              <br />
                              <ig:gridView id="medclassdefnitionlist"
                                   dataSource="#{medClassManagedBean.medClassDefinitions}">
                                   <ig:column>
                                        <f:facet name="header">
                                             <h:outputText value="Med class definition"></h:outputText>
                                        </f:facet>
                                        <h:outputText value="#{DATA_ROW.medClassDef}"></h:outputText>
                                   </ig:column>
                                   <ig:column>
                                        <f:facet name="header">
                                             <h:outputText value="Classification(Controlled/Uncontrolled)"></h:outputText>
                                        </f:facet>
                                        <h:selectOneRadio id="categorylist"
                                             value="#{DATA_ROW.medClassCategory}"
                                             style="white-space: nowrap">
                                             <f:selectItem itemLabel="Yes" itemValue="true" id="itemid1"/>
                                                  <f:selectItem itemLabel="No" itemValue="false" id="itemid2"/>
                                        </h:selectOneRadio>
                                        <h:message for="categorylist" styleClass="error"></h:message>
                                   </ig:column>
                              </ig:gridView>
                              <f:verbatim>
                                   <br />
                                   <br />
                              </f:verbatim>
                              <h:panelGrid columns="2" cellpadding="4" cellspacing="3">
                                   <h:commandButton image="../../../images/btn_save.gif"
                                        accesskey="S"
                                        action="#{medClassManagedBean.saveMedClassDefinition}"
                                        style="outline: none;"></h:commandButton>
                                   <h:commandButton accesskey="C" style="outline: none;"
                                        image="../../../images/btn_cancel.gif"
                                        action="backtoreportinglevel" />
                              </h:panelGrid>
                         </div>Under ig:gridView component, I have two columns, in the first one h;outputtext is there while in the 2nd one h:selectOneRadio is there. I tried putting immediate="true" in h:commandButton , and then the call goes to the action method. So, it is definitely failing in either validation or conversion phase.
The following is my java code snippet:
public ArrayList<MedClassBackingBean> getMedClassDefinitions() {
          try {
               medClassDefinitions = new ArrayList<MedClassBackingBean>();
               HttpServletRequest request = (HttpServletRequest) FacesContext
                         .getCurrentInstance().getExternalContext().getRequest();
               HttpSession session = request.getSession();
               String hospitalCode = (String) session
                         .getAttribute(Constants.HOS_GLO_EXCLUSION_SESSION_VAR);
               MedGroupBD medGroupBd = new MedGroupBD();
               List<Object[]> medClassList = medGroupBd
                         .getMedClassDefinitionsForHospital(hospitalCode);
               //populateMedClassCategoryList();
               if (UtilityFunctions.isNotEmpty(medClassList)) {
                    for (Object[] medClass : medClassList) {
                         MedClassBackingBean medClassBackingBean = new MedClassBackingBean();
                         medClassBackingBean.setHospitalCode(hospitalCode);
                         medClassBackingBean.setMedClassDef(medClass[0].toString());
                         if (medClass[1] != null) {
                              if (medClass[1].toString().equals("Controlled")) {
                                   medClassBackingBean.setMedClassCategory("true");
                              } else {
                                   medClassBackingBean.setMedClassCategory("false");
                         } else {
                              medClassBackingBean.setMedClassCategory("false");
                         medClassDefinitions.add(medClassBackingBean);
          } catch (Exception e) {
               log.error(e.getMessage(), e.getCause());
          return medClassDefinitions;
     }The above code returns the list for the ig:gridView datasource. "medClassCategory" is the property of backing bean which is mapped for the value attribute of h:selectOneRadio component. The managed bean is in the request scope.Right now on submit of form, first the call goes to this method "getMedClassDefinitions" and then I found like call goes to setter of medClassCategory property in the backing bean as well and sets the changed value from the UI but it never goes to the action method.
Please see if anybody can help me.
Thank you,
Edited by: dacsinha on Nov 27, 2009 6:36 AM