node.js http server takes long time to close -

i have nodejs http server. after sending 1 request , getting response i'm trying close using server.close() takes long time close (more 60s). can problem?

edit

currently i'm using chromes advanced rest client testing, sending 1 request results slow closing after getting response, far know should not stuck keep-alive. i'm defiantly closing response response.end() after response.write().

here code:

handlerequest = function (request, response) { var body = ''; request.on('data', function (data) {     body += data; }); request.on('end', function () {     // data db...     response.setheader('content-type', 'application/json');     response.write(result);     response.end(); }  var server = http.createserver(handlerequest); server.listen(8000);  process.on('sigint', function(){     if (server != undefined) {         console.log("closing server...");         server.close(function (e) {             if (e) {                 throw 'error on closing server';             } else {                 console.log("server closed");             }         });     } }); 

please check have close response, after sending data.

response.end()

if doesn't work can post code sample.