1443281 - Intermittent browser/base/content/test/webrtc/browser_devices_get_user_media_tear_off_tab.js | A promise chain failed to handle a rejection: this.window is null - stack: null

Status: RESOLVED FIXED

(Core :: WebRTC, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: csabou [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=166013090&repo=mozilla-inbound

https://queue.taskcluster.net/v1/task/Y70Fa78jThia5RRLBGfsoQ/runs/0/artifacts/public/logs/live_backing.log

Comment 1

[Intermittent Failures Robot]

71 failures in 126 pushes (0.563 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* autoland: 43
* mozilla-inbound: 18
* mozilla-central: 6
* try: 4

Platform breakdown:
* windows7-32: 51
* windows10-64: 15
* linux64-stylo-disabled: 3
* linux64-jsdcov: 2

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1443281&startday=2018-03-08&endday=2018-03-08&tree=all

Comment 2

[Tiberius Oros[:tiberius_oros]]

This bug was filed 3 days ago and already has 75 failures.

Failures per platform:
- Windows 7: 56
- windows10-64: 14
- linux64-stylo-disabled: 3
- linux64-jsdcov: 2

Failures per build type:
- pgo: 61
- opt: 14


Here is a relevant log file and a snippet with the failure:
https://treeherder.mozilla.org/logviewer.html#?repo=autoland&job_id=166740229&lineNumber=2493

13:03:06     INFO -  348 INFO TEST-PASS | browser/base/content/test/webrtc/browser_devices_get_user_media_tear_off_tab.js | screen global indicator as expected -
13:03:06     INFO -  349 INFO TEST-PASS | browser/base/content/test/webrtc/browser_devices_get_user_media_tear_off_tab.js | WebRTC menu should be hidden -
13:03:06     INFO -  350 INFO TEST-PASS | browser/base/content/test/webrtc/browser_devices_get_user_media_tear_off_tab.js | popup WebRTC indicator hidden -
13:03:06     INFO -  Buffered messages finished
13:03:06    ERROR -  351 INFO TEST-UNEXPECTED-FAIL | browser/base/content/test/webrtc/browser_devices_get_user_media_tear_off_tab.js | A promise chain failed to handle a rejection: this.window is null - stack: null
13:03:06     INFO -  Rejection date: Thu Mar 08 2018 13:03:06 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 251
13:03:06     INFO -  Stack trace:
13:03:06     INFO -      resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:251
13:03:06     INFO -      chrome://mochikit/content/browser-test.js:Tester_execTest/<:1089
13:03:06     INFO -      Tester_execTest@chrome://mochikit/content/browser-test.js:1058:9
13:03:06     INFO -      Tester.prototype.nextTest</<@chrome://mochikit/content/browser-test.js:958:9
13:03:06     INFO -      SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:795:59
13:03:06     INFO -  352 INFO Leaving test bound test

Comment 3

[Nils Ohlmeier [:drno]]

Florian do you have any idea what could cause this or who would be a good person to take a look at this problem?

Comment 4

[Florian Quèze [:florian]]

The actual error in the test log is:
10:12:11     INFO -  582 INFO Console message: [JavaScript Error: "TypeError: this.window is null" {file: "resource:///modules/PanelMultiView.jsm" line: 1344}]

Sounds like something to show to paolo.

Comment 5

[Florian Quèze [:florian]]

Looks like this was "fixed" by a backout at bug 1442020 comment 32 and then actually fixed by https://hg.mozilla.org/integration/autoland/rev/e506d81c512b

Comment 6

[Intermittent Failures Robot]

89 failures in 747 pushes (0.119 failures/push) were associated with this bug in the last 7 days. 

This is the #8 most frequent failure this week. 

** This failure happened more than 75 times this week! Resolving this bug is a very high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 1 week, the affected test(s) may be disabled. **   

Repository breakdown:
* autoland: 52
* mozilla-inbound: 24
* mozilla-central: 7
* try: 6

Platform breakdown:
* windows7-32: 60
* windows10-64: 15
* linux64-stylo-disabled: 10
* linux32-stylo-disabled: 3
* linux64-jsdcov: 1

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1443281&startday=2018-03-05&endday=2018-03-11&tree=all

Comment 7

[:Paolo Amadini]

(In reply to Florian Quèze [:florian] from comment #5)
> then actually fixed by
> https://hg.mozilla.org/integration/autoland/rev/e506d81c512b

Yup, correct!