Error: connect ECONNREFUSED 127.0.0.1:80
    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1056:14) {
  errno: 'ECONNREFUSED',
  code: 'ECONNREFUSED',
  syscall: 'connect',
  address: '127.0.0.1',
  port: 80,
  config: {
    url: 'http://localhost:8080',
    method: 'get',
    headers: {
      Accept: 'text/html, application/json, text/plain, */*',
      'User-Agent': 'axios/0.21.1',
      host: 'localhost:8080'
    transformRequest: [ [Function: transformRequest] ],
    transformResponse: [ [Function: transformResponse] ],
    timeout: 0,
    adapter: [Function: httpAdapter],
    xsrfCookieName: 'XSRF-TOKEN',
    xsrfHeaderName: 'X-XSRF-TOKEN',
    maxContentLength: -1,
    maxBodyLength: -1,
    httpsAgent: Agent {
      _events: [Object: null prototype],
      _eventsCount: 1,
      _maxListeners: undefined,
      defaultPort: 443,
      protocol: 'https:',
      options: [Object],
      requests: {},
      sockets: {},
      freeSockets: {},
      keepAliveMsecs: 1000,
      keepAlive: false,
      maxSockets: Infinity,
      maxFreeSockets: 256,
      maxCachedSessions: 100,
      _sessionCache: [Object]
    validateStatus: [Function: validateStatus],
    data: undefined
  request: Writable {
    _writableState: WritableState {
      objectMode: false,
      highWaterMark: 16384,
      finalCalled: false,
      needDrain: false,
      ending: false,
      ended: false,
      finished: false,
      destroyed: false,
      decodeStrings: true,
      defaultEncoding: 'utf8',
      length: 0,
      writing: false,
      corked: 0,
      sync: true,
      bufferProcessing: false,
      onwrite: [Function: bound onwrite],
      writecb: null,
      writelen: 0,
      bufferedRequest: null,
      lastBufferedRequest: null,
      pendingcb: 0,
      prefinished: false,
      errorEmitted: false,
      emitClose: true,
      autoDestroy: false,
      bufferedRequestCount: 0,
      corkedRequestsFree: [Object]
    writable: true,
    _events: [Object: null prototype] {
      response: [Function: handleResponse],
      error: [Function: handleRequestError]
    _eventsCount: 2,
    _maxListeners: undefined,
    _options: {
      maxRedirects: 21,
      maxBodyLength: 10485760,
      protocol: 'http:',
      path: 'http://localhost:8080/',
      method: 'GET',
      headers: [Object],
      agent: undefined,
      agents: [Object],
      auth: undefined,
      hostname: null,
      port: null,
      host: null,
      beforeRedirect: [Function: beforeRedirect],
      nativeProtocols: [Object],
      pathname: 'http://localhost:8080/'
    _ended: true,
    _ending: true,
    _redirectCount: 0,
    _redirects: [],
    _requestBodyLength: 0,
    _requestBodyBuffers: [],
    _onNativeResponse: [Function],
    _currentRequest: ClientRequest {
      _events: [Object: null prototype],
      _eventsCount: 7,
      _maxListeners: undefined,
      outputData: [],
      outputSize: 0,
      writable: true,
      _last: true,
      chunkedEncoding: false,
      shouldKeepAlive: false,
      useChunkedEncodingByDefault: false,
      sendDate: false,
      _removedConnection: false,
      _removedContLen: false,
      _removedTE: false,
      _contentLength: 0,
      _hasBody: true,
      _trailer: '',
      finished: true,
      _headerSent: true,
      socket: [Socket],
      connection: [Socket],
      _header: 'GET http://localhost:8080/ HTTP/1.1\r\n' +
        'Accept: text/html, application/json, text/plain, */*\r\n' +
        'User-Agent: axios/0.21.1\r\n' +
        'host: localhost:8080\r\n' +
        'Connection: close\r\n' +
        '\r\n',
      _onPendingData: [Function: noopPendingOutput],
      agent: [Agent],
      socketPath: undefined,
      method: 'GET',
      path: 'http://localhost:8080/',
      _ended: false,
      res: null,
      aborted: false,
      timeoutCb: null,
      upgradeOrConnect: false,
      parser: null,
      maxHeadersCount: null,
      _redirectable: [Circular],
      [Symbol(isCorked)]: false,
      [Symbol(outHeadersKey)]: [Object: null prototype]
    _currentUrl: 'http:http://localhost:8080/'
  response: undefined,
  isAxiosError: true,
  toJSON: [Function: toJSON]
          
No docker or any proxy involved.
On Mon., Jul. 12, 2021, 3:52 a.m. Danil27, ***@***.***> wrote:
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I got the error while following the this link.

Error: connect ECONNREFUSED 127.0.0.1:80 TCPConnectWrap.afterConnect [as oncomplete] (node:net:1161:16)
https://auth0.com/docs/architecture-scenarios/spa-api/api-implementation-nodejs

Any idea on this?
          
I too have the very same issue as reported here.

I "think" i know "kindof" why.
Like the other examples here, i was using a http://localhost:8080 or structured similarly URL.

This gave me a connection refused which is actually giving a hint:
Error: connect ECONNREFUSED ::1:8080
While i did not in any place or location specify IPv6, the error does indicate an IPv6 call, not v4!

In my case changing localhost to 127.0.0.1 did "fix" it.
Debugging this further with ping localhost showed me that magical ::1 too. It was an ipv6 ping.

I haven't quite figured it out yet but i'm guessing there is an error in the users /etc/hosts file where localhost is missing. I'll report back if i know more about that.
Edit. Don't know... It is something with the hosts and something with ipv6 but i don't know what triggers this. Using the ip instead does work but feels wrong.
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If you're using environment variables, check the route.
In my case, I mistakenly commented my: //require('dotenv').config();
My route was underfined.

process.env.MY_ROUTE
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Axios' RequestConfig has baseUrl and url.
For me, I was setting my server's url using url instead of baseUrl in axios.create() which was what was causing the error for me.
Making sure I used baseUrl when creating my AxiosInstance fixed the problem.
          
Axios must adhere to the specification of a valid URL, that's just common sense. The user of an interface should not have to care about the implementation. http://localhost:8080/ is a fully valid URL according to the RFC spec, and according to the Axios documentation.
As @aleyeeey  pointed out,  _currentUrl: 'http:http://localhost:8080/' is a good hint that Axios is doing something behind the scenes that it should not be doing.
The issue, probably lies in "proxy:undefined". The Axios documentation says the following:
Use false to disable proxies, ignoring environment variables.
Therefore, I am going to close this issue on account that the request I have included is actually NOT adhering to the documentation. However, it is still suspect that defining proxy:undefined would lead to such an error, as the code should not have such a high specificity: null, false or undefined should be acceptable values, semantically speaking there is no reason NOT to accept undefined.
It might not be related to proxy at all.
          
Hi 👋
Please could you retry with the latest version and open a new issue should this error still be relevant?
Thanks
I too have the very same issue as reported here. I "think" i know "kindof" why.
Like the other examples here, i was using a http://localhost:8080 or structured similarly URL. This gave me a connection refused which is actually giving a hint:
Error: connect ECONNREFUSED ::1:8080
While i did not in any place or location specify IPv6, the error does indicate an IPv6 call, not v4! In my case changing localhost to 127.0.0.1 did "fix" it.
Debugging this further with ping localhost showed me that magical ::1 too. It was an ipv6 ping. I haven't quite figured it out yet but i'm guessing there is an error in the users /etc/hosts file where localhost is missing. I'll report back if i know more about that.
Edit. Don't know... It is something with the hosts and something with ipv6 but i don't know what triggers this. Using the ip instead does work but feels wrong.
i had exactly same issue, I checked my '/etc/hosts' and saw '::1 localhost', removing that line fixed my issue
edit: as markg85 suggests, do not delete "::1 localhost". Thanks markg85 for pointing out
i had exactly same issue, I checked my '/etc/hosts' and saw '::1 localhost', removing that line fixed my issue
Don't do or even recommend that!
It's your localhost lookup. Your pc in IPv6 now doesn't know it's localhost anymore. Which is, frankly, probably fine as not much - if any - is using it. Still, it's very bad practice to delete that line.
          
Server Error

Error: connect ECONNREFUSED 127.0.0.1:1337
This error happened while generating the page. Any console logs will be displayed in the terminal window.

Call Stack

error: connect ECONNREFUSED 127.0.0.1 (1337)

 (Error: connect ECONNREFUSED

127.0.0.1 (1337)

TCPConnectWrap.afterConnect [as oncomplete]

node:net (1157:16)****
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http://localhost:8080 => http://127.0.0.1:8080
I had a similar issue with the same solution on Strapi.

Don't know why it works, but  it works...
      
It looks like the newer node version and axios resulted in the use of
IPv6 addresses and the dev server does not seem to respond to those.
See also: axios/axios#3821
      
It looks like the newer node version and axios resulted in the use of
IPv6 addresses and the dev server does not seem to respond to those.
See also: axios/axios#3821
          
For anyone wondering why this is happening, Node.js switched the lookup order of DNS resolution from v17 onwards.
You can switch back to the old behaviour (putting IPv4 first) with:
import { setDefaultResultOrder } from "dns";
setDefaultResultOrder("ipv4first");
Otherwise, yes explicitly using IPv4 127.0.0.1 instead of localhost (which can get resolved to either IPv4 loopback 127.0.0.1 or IPv6 loopback ::1) should work.
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By default, Axios redirects us to 127.0.0.1:80 if it doesn't find the requested URL or HTTP method(GET/POST/PUT)

check your URL if are also using Axios.
I too have the very same issue as reported here. I "think" i know "kindof" why.
Like the other examples here, i was using a http://localhost:8080 or structured similarly URL. This gave me a connection refused which is actually giving a hint:
Error: connect ECONNREFUSED ::1:8080
While i did not in any place or location specify IPv6, the error does indicate an IPv6 call, not v4! In my case changing localhost to 127.0.0.1 did "fix" it.
Debugging this further with ping localhost showed me that magical ::1 too. It was an ipv6 ping. I haven't quite figured it out yet but i'm guessing there is an error in the users /etc/hosts file where localhost is missing. I'll report back if i know more about that.
Edit. Don't know... It is something with the hosts and something with ipv6 but i don't know what triggers this. Using the ip instead does work but feels wrong.
This worked for me. An absolute gem.
          
Connection to Rusk Failed, some operations won't be available: error sending request for url (http://127.0.0.1:8080/): error trying to connect: tcp connect error: Connection refused (os error 111)
this happened while i was using putty