Index: ServletExternalContext.java
===================================================================
--- ServletExternalContext.java	(revision 14843)
+++ ServletExternalContext.java	(working copy)
@@ -18,6 +18,7 @@
 import java.io.InputStream;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
+import java.lang.reflect.Constructor;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.security.Principal;
@@ -144,6 +145,22 @@
         }
         responseCookieMap = Collections.synchronizedMap(new HashMap());
 
+        // we need to keep request updated.
+        String requestClassName = this.request.getClass().getName();
+        if (requestClassName.equals("com.icesoft.faces.env.ServletEnvironmentRequest")
+                || requestClassName.equals("com.icesoft.faces.env.PortletEnvironmentRenderRequest")) {
+            try {
+                Constructor<? extends HttpServletRequest> construcotr = this.request
+                        .getClass().getConstructor(Object.class);
+                this.request = construcotr.newInstance(request);
+            } catch (Exception e) {
+                // this situation should never happened
+                this.request = request;
+            }
+        } else {
+            this.request = request;
+        }
+
         this.response = response;
     }