JSF form is not submitted - spring

Question

Please check this form the form data is submitted but setAttendancedata method is working..
but classname, sectionname, date is not set in variable ..
xhtml:
<p:panel header="Attendance Entry" style="margin-top:10px">
<p:growl id="msgs" showDetail="true" />
<h:form id="attendance">
<h:panelGrid id="detail" columns="10" styleClass="grid"
cellspacing="10" cellpadding="40">
<h:outputText value="Date: " />
<h:outputText value="" id="popupDate">
<f:convertDateTime pattern="yyyy-mm-dd" />
</h:outputText>
<p:calendar value="#{StudentAttendanceComponent.date}"
id="popupCal" />
<h:outputText value="Class :" />
<p:selectOneMenu id="classname"
value="#{StudentAttendanceComponent.classname}">
<f:selectItem itemLabel="Select Class Name" itemValue="" />
<f:selectItems value="#{PreferencesClassComponent.classnames}" />
</p:selectOneMenu>
<h:outputText value="Section :" />
<p:selectOneMenu id="sectionname"
value="#{StudentAttendanceComponent.sectionname}">
<f:selectItem itemLabel="Select Section Name" itemValue="" />
<f:selectItems value="#{PreferencesSectionComponent.sectionnames}" />
</p:selectOneMenu>
<p:commandButton ajax="false" immediate="true" value="Go"
action="#{StudentAttendanceComponent.setAttendanceData}"
update="msgs" icon="ui-icon-check"></p:commandButton>
</h:panelGrid>
</h:form>
Model:
#Scope("session")
#Component("StudentAttendanceComponent")
public class StudentAttendanceComponentImpl implements
StudentAttendanceComponent {
/**
* Data type variable that provides CRUD operations for StudentAttendance
* entities
*
*/
#Autowired
StudentMasterService studentMasterService;
private Date date = new Date();
private String[] attData;
private StudentAttendance studentattendance;
private String classname;
private String sectionname;
private List<StudentAttendance> studentAttendances;
#Autowired
private StudentAttendanceDAO studentAttendanceDAO;
/**
* Service injected by Spring that provides CRUD operations for
* StudentAttendance entities
*
*/
#Autowired
private StudentAttendanceService studentAttendanceService;
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
public String getClassname() {
return classname;
}
public void setClassname(String classname) {
this.classname = classname;
}
public String getSectionname() {
return sectionname;
}
public void setSectionname(String sectionname) {
this.sectionname = sectionname;
}
public void setAttendanceData() {
// TODO Auto-generated method stub
System.out.println(classname+sectionname);
FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO,
"Filter Data", "Class " + classname + ", section " + sectionname+", date " + getDate().getDate());
FacesContext.getCurrentInstance().addMessage("msgs", msg);
}

Answer 1

The problem you have is, that you set the immediate="true" attribute within your p:commandButton. Because of this attribute, several JSF Lifecycles are skipped.
Check these links:
http://docs.oracle.com/javaee/1.4/tutorial/doc/JSFIntro10.html
http://balusc.blogspot.co.at/2006/09/debug-jsf-lifecycle.html#AddImmediateTrueToUICommandOnly
http://balusc.blogspot.co.at/2006/09/debug-jsf-lifecycle.html#WhenShouldIUseTheImmediateAttribute