Jsf DropDown menu "java.util.NoSuchElementException"

[leonardo ginting]

hi guys i got this error

javax.servlet.ServletException: java.util.NoSuchElementException
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:277)
	org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
	org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:295)
	org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:393)
	org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:520)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

javax.faces.FacesException: java.util.NoSuchElementException
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:714)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:244)
	org.ajax4jsf.component.AjaxViewRoot.processValidators(AjaxViewRoot.java:463)
	com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
	org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
	org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:295)
	org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:393)
	org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:520)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

root cause

java.util.NoSuchElementException
	javax.faces.component.SelectItemsIterator.next(SelectItemsIterator.java:130)
	javax.faces.component.SelectItemsIterator.next(SelectItemsIterator.java:157)
	javax.faces.component.SelectItemsIterator.next(SelectItemsIterator.java:61)
	javax.faces.component.SelectUtils.matchValue(SelectUtils.java:82)
	javax.faces.component.UISelectOne.validateValue(UISelectOne.java:144)
	javax.faces.component.UIInput.validate(UIInput.java:875)
	javax.faces.component.UIInput.executeValidate(UIInput.java:1072)
	javax.faces.component.UIInput.processValidators(UIInput.java:672)
	org.ajax4jsf.component.AjaxViewRoot$3.invokeContextCallback(AjaxViewRoot.java:447)
	org.ajax4jsf.component.ContextCallbackWrapper.invokeContextCallback(ContextCallbackWrapper.java:44)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:711)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720)
	javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
	org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:244)
	org.ajax4jsf.component.AjaxViewRoot.processValidators(AjaxViewRoot.java:463)
	com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
	org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
	org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:295)
	org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:393)
	org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:520)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

this problem i got when i try to click dropdown menu this dropdown using valueChangeEvent ,,
any idea to solve this problem?
thanks in advance..

[Tim Holloway]

I think you get this when your SelectItem list isn't set up properly.