Handled case when JID are malformed. JM-234

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1664 b35dd754-fafc-0310-a699-88a17e54d16e

src/plugins/presence/src/java/org/jivesoftware/messenger/plugin/presence/PresenceServlet.java

@@ -98,6 +98,18 @@ public class PresenceServlet extends HttpServlet {
                 // TODO Do something
             }
         }
+        catch (IllegalArgumentException e) {
+            if ("img".equals(type)) {
+                imageProvider.sendUserNotFound(request, response);
+            }
+            else if ("xml".equals(type)) {
+                xmlProvider.sendUserNotFound(request, response);
+            }
+            else {
+                Log.warn("The presence servlet received an invalid request of type: " + type);
+                // TODO Do something
+            }
+        }
     }
 
     protected void doPost(HttpServletRequest request, HttpServletResponse response)