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Axios 0.15.2 doesn't reject promise if request is cancelled in Chrome #537

michaeluskov opened this issue Nov 16, 2016 · 6 comments


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commented Nov 16, 2016

I have axios@0.15.2

If this HTML is run, some requests will be cancelled by Chrome:

    <script src=""></script>
    var promises = [];
    window.onload = function() {
        for (var i = 0; i < 4; i++) {
            var promise = axios.get('some url which causes ERR_CONNECTION_CLOSED');


But promises which turned into cancelled request won't be fulfilled:



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commented Dec 8, 2016

Can you share the code that is generating the cancelled requests?


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commented Feb 6, 2017

Hi @mzabriskie
I have exactly the same problem and I can reproduce it consistently. My app has a long pull ajax, if I put my laptop to sleep, when it comes back the ajax es cancelled by chrome but never completed/rejected the promise.

code is like this:

  const timeStamp = (new Date()).getTime();
  return axios.get(`${API_LISTEN_URL}?subject=POS${posId}&syncId=${syncId}&_ts=${timeStamp}`, {
    headers: defaultHeaders,
    responseType: 'document'
  .then(response => {
    // we need to retrieve the new synchronization ID - this needs to be sent on the next request
    return { 'ok': true, 'syncId': response.headers["x-sync-id"], 'xml': }
  }, error => {
    const message = "Error while listening for an event"
    return { 'ok': false }

You have to put some sleep on your server side in order to reproduce the problem. Then when the ajax is pending, close your laptop monitor, after a few seconds lift and you will see that the request is cancelled, but the promise not resolved.
Note: I'm using chrome Version 55.0.2883.95 (64-bit) on a MacBook computer, MacOS X "El Capitán" version 10.11.6 (15G1217)

fvicente pushed a commit to fvicente/axios that referenced this issue Feb 7, 2017

Fixes unhandled browser request cancellation

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commented Feb 7, 2017

Pull request created to fix this issue: #689


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commented Mar 5, 2018

I'm encountering the same issue - given @fvicente is no longer working on a PR to resolve this does anyone have an objection if I pick the issue up and run with it?

mattridley pushed a commit to mattridley/axios that referenced this issue Mar 5, 2018


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commented Mar 6, 2018

Hey @mattridley
I'm not saying is the best solution, but you can always monkey-patch the library, by putting in your code something like this:

  try {
    // monkey patch for "onAbort" not being handled by axios correctly, this is to avoid an
    // unresolved promise on the long-pull ajax if the computer goes to sleep
    const oldSend = XMLHttpRequest.prototype.send
    XMLHttpRequest.prototype.send = function () {
      this.onabort = this.onerror
      oldSend.apply(this, arguments)
  } catch (e) {

nickuraltsev added a commit that referenced this issue Mar 7, 2018

Merge pull request #1399 from mattridley/master
Fixing #537 Rejecting promise if request is cancelled by the browser

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commented Mar 7, 2018

Fixed via #1399

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