diff -r 7ab96e0b076c src/org/openbravo/mobile/core/login/MobileCoreLoginHandler.java
--- a/src/org/openbravo/mobile/core/login/MobileCoreLoginHandler.java	Wed Jul 05 10:10:01 2017 +0200
+++ b/src/org/openbravo/mobile/core/login/MobileCoreLoginHandler.java	Wed Aug 02 17:04:34 2017 +0200
@@ -195,7 +195,6 @@
       out.print(jsonMsg.toString());
       out.close();
     } catch (Exception e) {
-      e.printStackTrace(System.err);
       log4j.error("Error in POS login", e);
       try {
         errorLogin(res, vars, session, "Error", e.getMessage(),