do something good with error condition

myuw-error-valve/src/main/java/edu/wisc/my/root/MyUWErrorValve.java

@@ -37,8 +37,7 @@ public class MyUWErrorValve extends ErrorReportValve implements Valve {
       else 
         response.sendRedirect(ERROR_PAGE_LOCATION);
     } catch (IOException e) {
-      // TODO Auto-generated catch block
-      e.printStackTrace();
+      super.report(request, response, throwable);
     }
   }