Web Worker: XHR breaks in workers

Confirmed Issue #9291497 • Assigned to Ali A.


Ryan L.
Oct 11, 2016
This issue is public.
Found in
  • Microsoft Edge
Found in build #
Reported by 2 people

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Steps to reproduce

Not exactly clear on what’s causing this, but we’ve had to block Edge from Cyph since discovering about a month ago that basic XHR requests inside workers were throwing the error "Unexpected call to method or property access.". Specifically, requests made early on in our worker code work fine, but then at some point further down in the code they suddenly stop working for no apparent reason.

I’ve given up trying to reduce this down to an isolated test case, so for repro just open this page with a JS console open and wait for the breakpoint: https://msedge-test-dot-cyph-im-dot-cyphme.appspot.com


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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Brad E.”

      Changed Assigned To to “Venkat K.”

      Changed Assigned To from “Venkat K.” to “Steve B.”

      Changed Title from “XHR breaks in workers” to “Web Worker: XHR breaks in workers”

      Changed Assigned To from “Steve B.” to “Scott W.”

      Changed Status to “Confirmed”

      Changed Assigned To from “Scott W.” to “Ali A.”

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