devtools: [Firefox] "Proxy injection failed" while using Responsive Design Mode.

Firefox: 54.0.1 (64-bit) Vue,js Devtools: 3.1.6 Vue.js: 2.4.2

When using Firefox Responsive Design Mode, Vue.js Devtools is not initializing. It’s giving me the response: Proxy injection failed.

No error is given in the console, but 3 of our projects that’s using Vue is giving me the same response.

One of these projects is using Sentry.io logging and we received an error:

TypeError: can't redefine non-configurable property "__VUE_DEVTOOLS_GLOBAL_HOOK__"
in installHook at line 66:3

Steps to reproduce:

  1. Use Vue.js in your application
  2. Have the official Vue.js Devtools installed in Firefox
  3. Enable Responsive Design Mode
  4. Open the Vue.js Devtools tab

About this issue

  • Original URL
  • State: closed
  • Created 7 years ago
  • Reactions: 13
  • Comments: 17 (3 by maintainers)

Most upvoted comments

Please reopen this issue as the problem persists across Firefox Nightly (69.0a1) and Developer Edition / Beta (69.0b1 as of today).

Restarting the browser seems to have solved this problem for me. (Firefox Developer Edition 69.0b1)

Good, glad to the the issue resolved!