Closed Bug 1897807 Opened 2 years ago Closed 1 year ago

Some webpage in https://www.iesdouyin.com/ suddenly went to black screen when they open in Fenix

Categories

(Firefox for Android :: Browser Engine, defect)

Firefox 126
All
Android
defect

Tracking

()

RESOLVED WORKSFORME
Tracking Status
firefox126 --- affected
firefox127 --- ?
firefox128 --- ?

People

(Reporter: Tom25519, Unassigned)

References

Details

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(1 file)

May be a duplicate of bug 1897663.

I don't think it is related to bug 1897663,

The site blank itself when loading 203.fb566a51.js failed.

Uncaught (in promise) ChunkLoadError: Loading chunk 203 failed.
(error: https://lf-cdn-tos.bytescm.com/obj/static/growth/douyin_ug/chunk/203.fb566a51.js)

This also happens on Firefox Desktop version with Responsive Design mode ON in DevTools

Some analysis:
In https://lf-cdn-tos.bytescm.com/obj/static/growth/douyin_ug/share/video/index.38fbeb1a.js ( Pretty printed line: 1549)

        var t = i[e];  //function `d.l` from line 1511
        if (
          delete i[e],
          l.parentNode && // parentNode of <script 203.fb566a51.js> is null
          l.parentNode.removeChild(l),
          t &&
          t.forEach((function (e) {
            return e(o) // This will call error handling code at  pretty printed line: 1679
          })),
          n
        ) return n(o)

If you set a break point before pretty printed line: 1675 , then l.parentNode is <head> , so no error will be raised.

     l = new Error;
        d.l(    // line 1675 -> function `d.l` is defined in 1511
          r,

It is more likely a DOM loading issue / bug .

The bug has a release status flag that shows some version of Firefox is affected, thus it will be considered confirmed.

Status: UNCONFIRMED → NEW
Ever confirmed: true

The severity field is not set for this bug.
:boek, could you have a look please?

For more information, please visit BugBot documentation.

Flags: needinfo?(jboek)
Severity: -- → S3
Component: General → Browser Engine
Flags: needinfo?(jboek)
See Also: → 1897663

I think this bug is due to Service Worker is unavailable in privacy browsing mode. This bug could also reproduce on desktop firefox.

(In reply to Tom25519 from comment #6)

I think this bug is due to Service Worker is unavailable in privacy browsing mode. This bug could also reproduce on desktop firefox.

When I use regular browsing mode in Fenix and desktop Firefox, this bug disappear.

This bug seems doesn't reproduce on Fenix 133.0.3.

Status: NEW → RESOLVED
Closed: 1 year ago
Resolution: --- → WORKSFORME
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