7:24 a.m.
Hello,
I got the same problem using a user defined interceptor.
Without ICEfaces, it's running fine, but with ICEfaces I get:
2007-03-01 14:02:06,140 ERROR [com.icesoft.faces.facelets.D2DFaceletViewHandler] Problem
in renderResponse: /moses/image.xhtml Not Found in ExternalContext as a Resource
| java.io.FileNotFoundException: /moses/image.xhtml Not Found in ExternalContext as a
Resource
| at
com.sun.facelets.impl.DefaultFaceletFactory.resolveURL(DefaultFaceletFactory.java:114)
| at
com.sun.facelets.impl.DefaultFaceletFactory.getFacelet(DefaultFaceletFactory.java:86)
| at
com.icesoft.faces.facelets.D2DFaceletViewHandler.renderResponse(D2DFaceletViewHandler.java:259)
| at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:149)
| at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
| at
com.icesoft.faces.webapp.xmlhttp.BlockingServlet.renderCycle(BlockingServlet.java:457)
| at
com.icesoft.faces.webapp.xmlhttp.BlockingServlet.receiveUpdates(BlockingServlet.java:444)
| at
com.icesoft.faces.webapp.xmlhttp.BlockingServlet.executeRequest(BlockingServlet.java:324)
| at
com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:186)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| ...
|
The configuration in web.xml looks like this:
<lifecycle>
| <!-- Phase listener needed to display images via beans -->
|
<phase-listener>de.classname.webfrontend.ImagePhaseListener</phase-listener>
| <!-- Phase listener needed for all Seam applications -->
|
<phase-listener>org.jboss.seam.jsf.SeamPhaseListener</phase-listener>
| </lifecycle>
|
The phase listener is reading a thumbnail from the database for web output:
package de.classpath.webfrontend;
|
| import java.io.IOException;
|
| import javax.ejb.Stateless;
| import javax.faces.context.FacesContext;
| import javax.faces.event.PhaseEvent;
| import javax.faces.event.PhaseId;
| import javax.faces.event.PhaseListener;
| import javax.naming.Context;
| import javax.naming.InitialContext;
| import javax.naming.NamingException;
| import javax.servlet.http.HttpServletRequest;
| import javax.servlet.http.HttpServletResponse;
| import de.classpath.RefObjectBeanLocal;
|
| @Stateless
| public class ImagePhaseListener implements PhaseListener {
|
| private static final long serialVersionUID = 6849469082858433451L;
| // Praefix used for URL: /moses/image.seam
| public final static String IMAGE_VIEW_ID = "image";
|
| // Beans
| RefObjectBeanLocal refObjectBean = null;
|
| public void afterPhase(PhaseEvent event) {
| FacesContext context = event.getFacesContext();
| String viewId = context.getViewRoot().getViewId();
| if (viewId.indexOf(IMAGE_VIEW_ID) != -1) {
| handleImageRequest(context);
| }
| }
|
| public void beforePhase(PhaseEvent event) {
| //Do nothing here...
| }
|
| public PhaseId getPhaseId() {
| return PhaseId.RESTORE_VIEW;
| }
|
| private void handleImageRequest(FacesContext context) {
| byte [] imagedata = null;
| Integer refDataId = null;
| Integer thumbnailtypeId = null;
| String param;
|
| HttpServletRequest request = (HttpServletRequest)
context.getExternalContext().getRequest();
| HttpServletResponse response = (HttpServletResponse)
context.getExternalContext().getResponse();
|
|
| // Read thumbnail from database via bean,
| // because EntityManager is not supported in output beans!!!
| if (refObjectBean == null) {
| try {
| Context namingContext = new InitialContext();
| refObjectBean = (RefObjectBeanLocal)
namingContext.lookup("myproject/RefObjectBean/local");
| } catch (NamingException exception) {
| throw new RuntimeException(exception);
| }
| }
| if (refObjectBean == null) throw new RuntimeException("refObjectBean ist
null!");
|
| // Parse request parameters
| param = request.getParameter("refDataId");
| if (param != null) {
| refDataId = Integer.parseInt(param);
| }
| param = request.getParameter("thumbnailtypeId");
| if (param != null) {
| thumbnailtypeId = Integer.parseInt(param);
| }
|
| // Get image
| if (refDataId != null)
| {
| if (thumbnailtypeId == null)
| {
| imagedata = refObjectBean.getImagedata(refDataId);
| }
| else
| {
| imagedata = refObjectBean.getThumbnail(refDataId, thumbnailtypeId);
| }
| }
|
|
| try {
| response.setContentLength(imagedata.length);
| response.getOutputStream().write(imagedata);
| } catch (IOException exception) {
| throw new RuntimeException(exception);
| }
| context.responseComplete();
| }
|
| }
I can't understand the following things:
1) The image is displayed using the URL image.seam, but the error message shows
image.xhtml
2) The page is displayed completely with all thumbnails, but when I try to leave the page
via a trivial link, the error occurs. There is no reason why to call the method again...
Any ideas?
Greetings
Michael
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