node.js - Write After end error when post request happen -

'use strict'; var express = require('express'); var app = express(); var stomp = require('stomp-client'); var cors = require('cors');  var destination = '/topic/chat.'; var client = new stomp('127.0.0.1', 61613, 'admin', 'password');  var bodyparser = require('body-parser'); app.use(bodyparser.json()); app.use(bodyparser.urlencoded({     extended: true }));  app.use(cors());  app.post('/activemq', function(req, res) {      var message = req.body.message;     var con_id = req.body.conid;     var send_destination = destination + "" + con_id     var obj = new object();     obj.text = message;     obj['corre-id'] = "";     var jsonstring = json.stringify(obj);      client.connect(function(sessionid) {         client.subscribe(send_destination, function(body, headers) {             console.log(body);         });         client.publish(send_destination, jsonstring);     });     client.disconnect()     res.json('success') });  app.listen(3000, function() {     console.log('server listening on port 3000'); }); 

write after end error when post request happen.can please me

events.js:85       throw er; // unhandled 'error' event             ^ error: write after end     @ writeafterend (_stream_writable.js:167:12)     @ socket.writable.write (_stream_writable.js:214:5)     @ socket.write (net.js:634:40)     @ stompframe.send (c:\users\jpsamaranayake\desktop\node\node_modu     @ stompclient.onconnect (c:\users\jpsamaranayake\desktop\node\nod     @ socket.emit (events.js:129:20)     @ tcpconnectwrap.afterconnect [as oncomplete] (net.js:1001:10) 

your trying send message client after disconnect.

from doc

when client disconnected, can no longer send or receive messages.

did try send response before closing connection?

res.json('success') client.disconnect()