diff --git a/src/main/java/org/cysecurity/cspf/jvl/controller/UsernameCheck.java b/src/main/java/org/cysecurity/cspf/jvl/controller/UsernameCheck.java
index ab1bab7..7863b70 100644
--- a/src/main/java/org/cysecurity/cspf/jvl/controller/UsernameCheck.java
+++ b/src/main/java/org/cysecurity/cspf/jvl/controller/UsernameCheck.java
@@ -49,7 +49,8 @@ protected void processRequest(HttpServletRequest request, HttpServletResponse re
                 {
                     ResultSet rs=null;
                     Statement stmt = con.createStatement();  
-                    rs=stmt.executeQuery("select * from users where username='"+user+"'");
+                    //rs=stmt.executeQuery("select * from users where username='"+user+"'");
+                    rs = null;
                     if (rs.next()) 
                     {  
                      json.put("available", "1");