update

config/db/db_manager.js

@@ -49,17 +49,13 @@ module.exports = {
     connect:function () {
         var config = require("../config.js");
         var dbURL = 'mongodb://' + config.current.server + ":" + config.current.port + '/scConstruct';
-
-        var db = mg.connect(dbURL, config.options, function(err) {
-            if (err) {
-                console.log('Could not connect to MongoDB!');
-                console.log(err);
-            }
-        });
-        mg.connection.on('error', function(err) {
-            console.log('MongoDB connection error:', err);
+        mg.connect(dbURL, config.options);
+        var db = mg.connection;
+        db.on("error",function (err) {
+            console.log('Could not connect to MongoDB!');
+            console.log(err);
             process.exit(-1);
-        });
+        })
         return mg;
     }
 };