Navigating to invalid sites will cause "ms-appx-web:///assets/errorpages/dnserror.html" to be appended to details.url in webNavigation.onBeforeRequest() listeners

Confirmed Issue #9445036 • Assigned to Suyang Z.


Oct 20, 2016
This issue is public.
Reported by 6 people

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Steps to reproduce

Navigating to an invalid site (one that will 404 such as, for example) with an extension with a webNavigation.onBeforeRequest() listener will cause the details.url property in the callback to be set as “ms-appx-web:///assets/errorpages/dnserror.html#” instead of simply “” as it is in Chrome.

Update: upon further investigation, this only seems to occur when navigating to a fresh tab. Subsequent tries should cause the URL to be processed correctly.


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