Async web requests are making 'socket hangup' in node.js

Async web requests are making 'socket hangup' in node.js

By : user2956057
Date : November 22 2020, 10:54 AM
like below fixes the issue You should look at option pool when send a request using request module.
There are 3 options:
code :
for (var i = 0; i < 10000; i++) {
   // make a request
      pool: false,
      // other options
   }, function(err, res, body) {
       // handle response here

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Use kqueue to determine hangup on the other side of the socket or exceptional state of the socket

Use kqueue to determine hangup on the other side of the socket or exceptional state of the socket

By : user2186655
Date : March 29 2020, 07:55 AM
With these it helps A trick that can be used to get EOL events while ignoring all READ events is to supply a ridiculously high value to NOTE_LOWAT, thus suppressing all READ events.
Here's an example doing this in a Python REPL:
code :
Python 2.6.5 (r265:79063, Jul 17 2010, 22:57:01) 
[GCC 4.2.1 20070719  [FreeBSD]] on freebsd8
Type "help", "copyright", "credits" or "license" for more information.
>>> import select
>>> import socket
>>> import sys
>>> a, b = socket.socketpair()
>>> kq = select.kqueue()
>>> kq.control([select.kevent(a, select.KQ_FILTER_READ, select.KQ_EV_ADD, select.KQ_NOTE_LOWAT, sys.maxint)], 0)
>>> b.send('abc')
>>> kq.control(None, 10) # Interrupt after some time.
^CTraceback (most recent call last):
  File "<stdin>", line 1, in <module>
>>> b.close()
>>> kq.control(None, 10) # Immediate return.
[<select.kevent ident=3 filter=-1 flags=0x8000 fflags=0x0 data=0x3 udata=0x0>]
Socket Hangup Error in Node.js on using https

Socket Hangup Error in Node.js on using https

By : Michael
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I'm trying to use HTTP GET method via Nodejs using secure connection https. Here is my code: , Try the following code. (Its working for me)
code :
var https = require('https');

var options = {
  port: 443,
  host: 'birra-io2014.appspot.com',
  path: '/_ah/api/birra/v1/beer',
  method: 'GET',
  headers: {
    accept: '*/*'

var req = https.request(options, function(res) {
  console.log("statusCode: ", res.statusCode);
  console.log("headers: ", res.headers);

  res.on('data', function(d) {

req.on('error', function(e) {
  console.error('ERROR object ==>' + e);
Node.js, socket.io: Receiving duplicate requests from every socket.io call

Node.js, socket.io: Receiving duplicate requests from every socket.io call

By : jim102
Date : March 29 2020, 07:55 AM
it fixes the issue As seen in comments the problem had nothing to do with node.js/socket.io as I intially thought, the issue was that I had declared my angular script twice, causing my angular controller to be called twice for everything.
code :
    <script src="~/Scripts/angular.js" type="text/javascript"></script>
    <script src="~/Scripts/angular.js" type="text/javascript"></script>
Socket hangup while posting request to Node-http-proxy Node.js

Socket hangup while posting request to Node-http-proxy Node.js

By : user2650399
Date : March 29 2020, 07:55 AM
Any of those help I think the issue comes from the order of middleware. Using bodyParser before httpProxy will break the requests with JSON body, so httpProxy should be used before bodyParser.
You may want to check this for more info about bodyParser.
How to fix the "Socket Hangup Error " when large number of requests are made really quick

How to fix the "Socket Hangup Error " when large number of requests are made really quick

By : user2644908
Date : March 29 2020, 07:55 AM
wish helps you There are many reasons for socket hangup/reset in production apps. From your description I believe the cause isn't due to app overloading with requests (unless you're running a very slow machine). IMO, the most likely candidate is throttling by remote server due to too many connections from same ip (chrome opens upto 8 connections to any single server, you should try not to exceed this limit, despite each server having different limit), to solve this you should do one of the following:
add host request pooling (basically set Agent.maxSockets) use proxy service (e.g. Luminati) to distribute requests over many source ips (more relevant for high concurrency requirements)
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