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diff --git a/vnfmarket/src/main/webapp/vnfmarket/node_modules/log4js/examples/example-connect-logger.js b/vnfmarket/src/main/webapp/vnfmarket/node_modules/log4js/examples/example-connect-logger.js
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+++ b/vnfmarket/src/main/webapp/vnfmarket/node_modules/log4js/examples/example-connect-logger.js
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+//The connect/express logger was added to log4js by danbell. This allows connect/express servers to log using log4js.
+//https://github.com/nomiddlename/log4js-node/wiki/Connect-Logger
+
+// load modules
+var log4js = require('log4js');
+var express = require("express");
+var app = express();
+
+//config
+log4js.configure({
+	appenders: [
+		{ type: 'console' },
+		{ type: 'file', filename: 'logs/log4jsconnect.log', category: 'log4jslog' }
+	]
+});
+
+//define logger
+var logger = log4js.getLogger('log4jslog');
+
+// set at which time msg is logged print like: only on error & above
+// logger.setLevel('ERROR');
+
+//express app
+app.configure(function() {
+	app.use(express.favicon(''));
+	// app.use(log4js.connectLogger(logger, { level: log4js.levels.INFO }));
+	// app.use(log4js.connectLogger(logger, { level: 'auto', format: ':method :url :status' }));
+
+	//### AUTO LEVEL DETECTION
+	//http responses 3xx, level = WARN
+	//http responses 4xx & 5xx, level = ERROR
+	//else.level = INFO
+	app.use(log4js.connectLogger(logger, { level: 'auto' }));
+});
+
+//route
+app.get('/', function(req,res) {
+	res.send('hello world');
+});
+
+//start app
+app.listen(5000);
+
+console.log('server runing at localhost:5000');
+console.log('Simulation of normal response: goto localhost:5000');
+console.log('Simulation of error response: goto localhost:5000/xxx');