11 Replies Latest reply on Oct 3, 2009 9:01 AM by Gabriel Muench

    communication between portlets over applicationScope

    Gabriel Muench Newbie

      Excuse me, but I am a new Jboss Portal user.

      jboss portal bundle 2.7.2
      richfaces 3.3.1.GA
      jsf-facelets 1.1.14
      portletbridge 1.0.0.CR2

      Now, I am trying to use the applicationScope.

      Here is the code, which I am using from an example. It should use the applicationScope:

      ...
      private String chatMessage;
      
      public void setText(String text) {
       this.text=text;
       String username = "unknown user";
       //String log = getText() != null ? getText() : "";
       text = /*log +*/ "<b>" + username + ": </b> " + text + "<hr/>";
       if (getRenderRequest() != null){
       TextHolderIF hwif =
       (TextHolderIF)getRenderRequest().getAttribute
       ("javax.portlet.p./Kundenportal/Startseite
       /SmallChartPortletWindow?textHolder");
       hwif.setText(text);
       }
       textHolder.setText(text);
      }
      
      public String getChatMessage() {
       return chatMessage;
      }
      
      public void setChatMessage(String chatMessage) {
       this.chatMessage = chatMessage;
      }
      
      public void sendMessage(ActionEvent actionEvent) {
       setText(chatMessage);
       this.chatMessage = "";
      }
      
      private HttpSession getRenderRequest() {
       HttpServletRequestWrapper responseObject =
       (HttpServletRequestWrapper)FacesContext.getCurrentInstance().
       getExternalContext().getRequest();
       if (responseObject instanceof HttpServletRequestWrapper) {
       return responseObject.getSession(false);
       }
       return null;
      }
      


      With the @PortletScope(PortletScope.ScopeType.APPLICATION_SCOPE) command, the portlets have the same applicationScope.
      But the textHolder object is missing.

      I am getting these Error Message from the Console:
      14:40:17,295 ERROR [STDERR] 16.09.2009 14:40:17 javax.faces.event.MethodExpressionActionListener pro
      cessAction
      SCHWERWIEGEND: Received 'java.lang.ClassCastException' when invoking action listener '#{SmallChartBe
      an.sendMessage}' for component
       'j_id32'
      14:40:17,304 ERROR [STDERR] 16.09.2009 14:40:17 javax.faces.event.MethodExpressionActionListener pro
      cessAction
      SCHWERWIEGEND: java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade cannot be c
      ast to javax.servlet.http.Http
      ServletRequestWrapper
       ...
      14:40:17,418 ERROR [AjaxViewRoot] Error processing faces event for the component _jbpns_2fKundenport
      al_2fStartseite_2fSmallChartPo
      rtletWindowsnpbj:_viewRoot:j_id29:j_id32
      javax.faces.event.AbortProcessingException: /SmallChart.xhtml @83,112 actionListener="#{SmallChartBean.sendMessage}": java.lang.Cl
      assCastException: org.apache.catalina.connector.RequestFacade cannot be cast to javax.servlet.http.H
      ttpServletRequestWrapper
       ...
      Caused by: java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade cannot be cast
      to javax.servlet.http.HttpServ
      letRequestWrapper
       ...
      14:40:17,583 ERROR [AjaxViewRoot] Error processing faces event for the component _jbpns_2fKundenport
      al_2fStartseite_2fSmallChartPo
      rtletWindowsnpbj:_viewRoot:j_id29:j_id32
      javax.faces.event.AbortProcessingException: /SmallChart.xhtml @83,112 actionListener="#{SmallChartBean.sendMessage}": java.lang.Cl
      assCastException: org.apache.catalina.connector.RequestFacade cannot be cast to javax.servlet.http.H
      ttpServletRequestWrapper
       ...
      Caused by: java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade cannot be cast
      to javax.servlet.http.HttpServ
      letRequestWrapper
       ...
      14:55:11,540 ERROR [lifecycle] JSF1054: (Phase ID: RESTORE_VIEW 1, View ID: ) Exception thrown durin
      g phase execution: javax.faces
      .event.PhaseEvent[source=com.sun.faces.lifecycle.LifecycleImpl@1777d1a]
      14:55:11,553 ERROR [BaseXMLFilter] Exception in the filter chain
      javax.servlet.ServletException: viewId:/SmallChart.xhtml - View /SmallChart.xhtml could not be resto
      red.
       ...
      Caused by: javax.faces.application.ViewExpiredException: viewId:/SmallChart.xhtml - View /SmallChart
      .xhtml could not be restored.
       ...
      14:55:11,665 ERROR [BaseXMLFilter] Exception in the filter chain
      javax.servlet.ServletException: viewId:/SmallChart.xhtml - View /SmallChart.xhtml could not be resto
      red.
       ...
      Caused by: javax.faces.application.ViewExpiredException: viewId:/SmallChart.xhtml - View /SmallChart
      .xhtml could not be restored.
       ...
      14:55:11,736 ERROR [[FacesServlet]] Servlet.service() for servlet FacesServlet threw exception
      javax.faces.application.ViewExpiredException: viewId:/SmallChart.xhtml - View /SmallChart.xhtml coul
      d not be restored.
       ...
      


      I am not sure what this means?
      If I look at Code, it have to be a problem with the getRequest()-Methode.

      Has someone an idea?