1815034 - Intermittent comm/mail/components/extensions/test/browser/browser_ext_mailTabs.js | can't access property "folderPaneSplitter", tab.chromeBrowser.contentWindow is null

Status: RESOLVED FIXED

(Thunderbird :: Add-Ons: Extensions API, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: mkmelin [at] iki.fi
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=404540225&repo=comm-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/IPz-23RlTFqIBZyqxIU6FQ/runs/0/artifacts/public/logs/live_backing.log

---

Comment 1

[Intermittent Failures Robot]

1 failures in 3606 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• windows10-32-2004-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1815034&startday=2023-01-30&endday=2023-02-05&tree=all

Comment 2

[John Bieling]

Do we know where this is coming from? Any pointers for me?

Comment 3

[Magnus Melin [:mkmelin]]

https://searchfox.org/comm-central/rev/20d1d1732df9821760f002fdf941f0c6c2de24dc/mail/components/extensions/test/browser/head.js#71 ends up here: https://searchfox.org/comm-central/rev/20d1d1732df9821760f002fdf941f0c6c2de24dc/mail/base/content/mailTabs.js#171

It would be more clear if those defineProperty calls accounted for possible nulls.
I don't know what the actual problem is.

Comment 4

[Intermittent Failures Robot]

7 failures in 3766 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 7

Platform and build breakdown:

• windows10-32-2004-qr: 1
  • opt: 1
• linux1804-64-qr: 2
  • opt: 1
  • debug: 1
• windows10-64-2004-qr: 1
  • opt: 1
• windows10-64-2004-shippable-qr: 1
  • opt: 1
• windows10-32-2004-shippable-qr: 1
  • opt: 1
• windows10-64-2004-asan-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1815034&startday=2023-02-06&endday=2023-02-12&tree=all

Comment 5

[Martin Giger [:freaktechnik]]

This is looking very permanent today.

Comment 6

[Intermittent Failures Robot]

16 failures in 661 pushes (0.024 failures/push) were associated with this bug yesterday.

Repository breakdown:

• comm-central: 16

Platform and build breakdown:

• linux1804-64-qr: 3
  • debug: 1
  • opt: 2
• windows10-32-2004-qr: 3
  • debug: 1
  • opt: 2
• macosx1015-64-qr: 2
  • opt: 2
• windows10-64-2004-qr: 2
  • opt: 2
• windows10-64-2004-shippable-qr: 2
  • opt: 2
• linux1804-64-shippable-qr: 2
  • opt: 2
• windows10-32-2004-shippable-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1815034&startday=2023-02-13&endday=2023-02-13&tree=all

Comment 7

[Geoff Lankow (:darktrojan)]

Attachment: Bug 1815034 - Fix failing browser_ext_mailTabs.js. r=#thunderbird-reviewers

Comment 8

[Geoff Lankow (:darktrojan)]

Attachment: Bug 1815034 - Re-enable commented-out parts of browser_ext_mailTabs.js. r=#thunderbird-reviewers

Depends on D169791

Comment 9

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/comm-central/rev/d732d9f21751
Fix failing browser_ext_mailTabs.js. r=mkmelin
https://hg.mozilla.org/comm-central/rev/6a33c5c60d8a
Re-enable commented-out parts of browser_ext_mailTabs.js. r=mkmelin

Comment 10

[Geoff Lankow (:darktrojan)]

Comment on attachment 9317572 [details]
Bug 1815034 - Fix failing browser_ext_mailTabs.js. r=#thunderbird-reviewers

[Approval Request Comment]
Regression caused by (bug #): Supernova

Comment 11

[Geoff Lankow (:darktrojan)]

Comment on attachment 9317573 [details]
Bug 1815034 - Re-enable commented-out parts of browser_ext_mailTabs.js. r=#thunderbird-reviewers

[Approval Request Comment]
Regression caused by (bug #): Supernova

Comment 12

[Intermittent Failures Robot]

16 failures in 3856 pushes (0.004 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 16

Platform and build breakdown:

• linux1804-64-qr: 3
  • debug: 1
  • opt: 2
• windows10-32-2004-qr: 3
  • debug: 1
  • opt: 2
• macosx1015-64-qr: 2
  • opt: 2
• windows10-64-2004-qr: 2
  • opt: 2
• windows10-64-2004-shippable-qr: 2
  • opt: 2
• linux1804-64-shippable-qr: 2
  • opt: 2
• windows10-32-2004-shippable-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1815034&startday=2023-02-13&endday=2023-02-19&tree=all

Comment 13

[Wayne Mery (:wsmwk)]

Comment on attachment 9317572 [details]
Bug 1815034 - Fix failing browser_ext_mailTabs.js. r=#thunderbird-reviewers

[Triage Comment]
Approved for beta

Comment 14

[Wayne Mery (:wsmwk)]

Comment on attachment 9317573 [details]
Bug 1815034 - Re-enable commented-out parts of browser_ext_mailTabs.js. r=#thunderbird-reviewers

[Triage Comment]
Approved for beta

Comment 15

[Daniel Darnell [:dandarnell]]

Thunderbird 111.0b1:
https://hg.mozilla.org/releases/comm-beta/rev/df4a99ace907
https://hg.mozilla.org/releases/comm-beta/rev/e9c02b4e0713