7 Replies Latest reply on Jan 27, 2012 7:34 AM by Martin Dames

    FacesMessages do not display when enqueued by fileUpload upl

    Kip Moore Newbie

      i'm having a problem with rich:fileUpload and rich:messages. simply put, the rich:messages component will not display any FacesMessages that have been enqueued by the rich:fileUpload upload listener, and this failure happens silently - i get no "FacesMessage(s) have been enqueued, but may not have been displayed." warning in my logs.

      messages get displayed just fine if i enqueue them from a 'standard' control like an a4j:commandButton. in this case i set immediate="true" so that the action method of the commandButton and the upload listener method of the fileUpload components both get called during the APPLY_REQUEST_VALUES phase.

      here's my jsp:

      <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
      <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
      <%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
      <%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
      
      <f:view>
       <html>
       <body>
      
       <a4j:form id="testbed_form">
      
       <h:outputText value = "Testing:"/>
      
       <rich:fileUpload id="test_upload"
       fileUploadListener="#{TestbedBean.testUploadListener}"
       maxFilesQuantity="1"
       listHeight="60"
       uploadControlLabel="Test File Upload"
       required="false">
       </rich:fileUpload>
      
       <a4j:commandButton id="test_action"
       value="Test Action"
       action="#{TestbedBean.testAction}"
       immediate="true">
       </a4j:commandButton>
      
       <rich:panel>
       <f:facet name="header">
       <h:outputText value = "test_upload message"/>
       </f:facet>
       <rich:message for="test_upload" style="color: red"/>
       </rich:panel>
      
       <rich:panel>
       <f:facet name="header">
       <h:outputText value = "test_action message"/>
       </f:facet>
       <rich:message for="test_action" style="color: red"/>
       </rich:panel>
      
       <rich:panel>
       <f:facet name="header">
       <h:outputText value = "global messages"/>
       </f:facet>
       <rich:messages globalOnly="true" style="color: red"/>
       </rich:panel>
      
       <rich:panel>
       <f:facet name="header">
       <h:outputText value = "non-global messages"/>
       </f:facet>
       <rich:messages globalOnly="false" style="color: red"/>
       </rich:panel>
      
       </a4j:form>
      
       </body>
       </html>
      </f:view>
      



      and here's my backing bean:

      import javax.faces.application.FacesMessage;
      import javax.faces.context.FacesContext;
      
      import org.apache.log4j.Logger;
      import org.richfaces.event.UploadEvent;
      
      public class TestbedBean
      {
       private static Logger logger = Logger.getLogger(TestbedBean.class.getName());
      
       public void testUploadListener(UploadEvent event)
       {
       logger.info("testUploadListener()");
      
       int counter;
      
       for (counter = 0; counter <=10; counter++)
       {
       String errstr = "Testing message display: \'" + counter + "\'";
      
       reportErrorToMessageHandler(errstr + " - upload global", errstr + " - upload global", null);
       reportErrorToMessageHandler(errstr + " - upload local", errstr + " - upload local", "testbed_form:test_upload");
       }
       return;
       }
      
       public String testAction()
       {
       logger.info("testAction()");
      
       int counter;
      
       for (counter = 0; counter <=10; counter++)
       {
       String errstr = "Testing message display: \'" + counter + "\'";
      
       reportErrorToMessageHandler(errstr + " - action global", errstr + " - action global", null);
       reportErrorToMessageHandler(errstr + " - action local", errstr + " - action local", "testbed_form:test_action");
       }
       return "";
       }
      
       public static void reportErrorToMessageHandler(String summary, String detail, String componentID)
       {
       reportMessageToMessageHandler(FacesMessage.SEVERITY_ERROR, summary, detail, componentID);
       }
      
       public static void reportMessageToMessageHandler(FacesMessage.Severity severity, String summary, String detail, String componentID)
       {
       FacesContext context = FacesContext.getCurrentInstance();
       FacesMessage message = new FacesMessage(severity, summary, detail);
       context.addMessage(componentID, message);
       }
      
      }
      



      i strongly suspect that this is a bug, as i can see no reason why i shouldn't be able to enqueue FacesMessages from the fileUpload control upload listener.