RestComm#185 cherry-pick from telscale

Author: xhoaluu

containers/sip-servlets-as7/src/main/java/org/mobicents/servlet/sip/startup/SipStandardContextValve.java

@@ -179,8 +179,7 @@ public final void invoke(Request request, Response response)
         try {
             response.sendAcknowledgement();
         } catch (IOException ioe) {
-            container.getLogger().error(sm.getString(
-                    "standardContextValve.acknowledgeException"), ioe);
+            container.getLogger().error(MESSAGES.errorAcknowledgingRequest("standardContextValve.acknowledgeException"), ioe);
             request.setAttribute(RequestDispatcher.ERROR_EXCEPTION, ioe);
             response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             return;