1965340 - Intermittent devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js | single tracking bug

Status: RESOLVED FIXED

(DevTools :: Console, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: sstanca [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=507279007&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/DTfKA1W_Qj-VPuwkpmwSIA/runs/0/artifacts/public/logs/live_backing.log
Reftest URL: https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/DTfKA1W_Qj-VPuwkpmwSIA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---

[task 2025-05-08T21:02:13.705Z] 21:02:13     INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js | Got expected output for "
[task 2025-05-08T21:02:13.705Z] 21:02:13     INFO -       var err = new Error("pineapple");
[task 2025-05-08T21:02:13.705Z] 21:02:13     INFO -       err.name = "JuicyError";
[task 2025-05-08T21:02:13.705Z] 21:02:13     INFO -       err.flavor = "delicious";
[task 2025-05-08T21:02:13.705Z] 21:02:13     INFO -       Promise.reject(err);
[task 2025-05-08T21:02:13.705Z] 21:02:13     INFO -     " - ["\u25bc  Promise { <state>: \"rejected\", <reason>: JuicyError }","  \u251c <state>: \"rejected\"","  \u25b6\ufe0e  <reason>: JuicyError: pineapple","  \u25b6\ufe0e  <prototype>: Promise.prototype {  }"] deepEqual ["\u25bc  Promise { <state>: \"rejected\", <reason>: JuicyError }","  \u251c <state>: \"rejected\"","  \u25b6\ufe0e  <reason>: JuicyError: pineapple","  \u25b6\ufe0e  <prototype>: Promise.prototype {  }"] - 
[task 2025-05-08T21:02:13.708Z] 21:02:13     INFO - Console message: [JavaScript Error: "Error: something went wrong" {file: "eval" line: 5}]
[task 2025-05-08T21:02:13.708Z] 21:02:13     INFO - @eval:5:17
[task 2025-05-08T21:02:13.708Z] 21:02:13     INFO - promise callback*@eval:1:19
[task 2025-05-08T21:02:13.708Z] 21:02:13     INFO - @chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js:36:29
[task 2025-05-08T21:02:13.708Z] 21:02:13     INFO - execute@resource://testing-common/SpecialPowersSandbox.sys.mjs:139:12
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - _spawnTask@resource://testing-common/SpecialPowersChild.sys.mjs:1616:15
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - receiveMessage@resource://testing-common/SpecialPowersChild.sys.mjs:256:21
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - JSActor query*receiveMessage@resource://testing-common/SpecialPowersParent.sys.mjs:1400:14
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - JSActor query*spawn@resource://testing-common/SpecialPowersChild.sys.mjs:1543:17
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - @chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js:29:27
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - runTest@resource://testing-common/JSObjectsTestUtils.sys.mjs:211:26
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - async*@chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js:22:28
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1170:26
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1242:18
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1383:14
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1153:14
[task 2025-05-08T21:02:13.709Z] 21:02:13     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2025-05-08T21:02:13.710Z] 21:02:13     INFO - 
[task 2025-05-08T21:02:13.710Z] 21:02:13     INFO - Buffered messages finished
[task 2025-05-08T21:02:13.712Z] 21:02:13     INFO - TEST-UNEXPECTED-FAIL | devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js | Failed waitFor():  
[task 2025-05-08T21:02:13.712Z] 21:02:13     INFO - Failed condition: () =>
[task 2025-05-08T21:02:13.712Z] 21:02:13     INFO -         findConsoleAPIMessage(hud, "test message " + count) 
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - Exception Message:  - timed out after 500 tries. - 
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - Stack trace:
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochikit/content/browser-test.js:test_ok:1626
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:waitFor:1133
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js:null:43
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - resource://testing-common/JSObjectsTestUtils.sys.mjs:runTest:211
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js:null:22
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochikit/content/browser-test.js:handleTask:1170
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1242
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1383
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1153
[task 2025-05-08T21:02:13.713Z] 21:02:13     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2025-05-08T21:02:13.714Z] 21:02:13     INFO - GECKO(9892) | [dump-scope] Serializing variables for frame: chrome://mochikit/content/browser-test.js @ 37:9
[task 2025-05-08T21:02:13.714Z] 21:02:13     INFO - GECKO(9892) | [dump-scope] Serializing variables for frame: chrome://mochikit/content/browser-test.js @ 1605:3
[task 2025-05-08T21:02:13.715Z] 21:02:13     INFO - GECKO(9892) | [dump-scope] Serializing variables for frame: chrome://mochikit/content/browser-test.js @ 1189:9
[task 2025-05-08T21:02:13.716Z] 21:02:13     INFO - GECKO(9892) | [dump-scope] Serializing variables for frame: chrome://mochikit/content/browser-test.js @ 1242:18
[task 2025-05-08T21:02:13.717Z] 21:02:13     INFO - Not taking screenshot here: see the one that was previously logged
[task 2025-05-08T21:02:13.721Z] 21:02:13     INFO - TEST-UNEXPECTED-FAIL | devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js | Uncaught exception in test bound  - at chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:1134 - Error: Failed waitFor():  
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - Failed condition: () =>
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO -         findConsoleAPIMessage(hud, "test message " + count) 
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - Exception Message:  - timed out after 500 tries.
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - Stack trace:
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - waitFor@chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:1134:11
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - async*@chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js:43:33
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - async*runTest@resource://testing-common/JSObjectsTestUtils.sys.mjs:211:26
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - async*@chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js:22:28
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1170:26
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1242:18
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1383:14
[task 2025-05-08T21:02:13.722Z] 21:02:13     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1153:14
[task 2025-05-08T21:02:13.723Z] 21:02:13     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2025-05-08T21:02:13.723Z] 21:02:13     INFO - Leaving test bound 
[task 2025-05-08T21:02:13.724Z] 21:02:13     INFO - Removing tab.
[task 2025-05-08T21:02:13.724Z] 21:02:13     INFO - Waiting for event: 'TabClose' on [object XULElement].
[task 2025-05-08T21:02:13.726Z] 21:02:13     INFO - Got event: 'TabClose' on [object XULElement].
[task 2025-05-08T21:02:13.727Z] 21:02:13     INFO - GECKO(9892) | console.warn: "IGNORED REDUX ACTION:" "AUTOCOMPLETE_CLEAR"
[task 2025-05-08T21:02:13.727Z] 21:02:13     INFO - Tab removed and finished closing
[task 2025-05-08T21:02:13.728Z] 21:02:13     INFO - GECKO(9892) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-05-08T21:02:13.728Z] 21:02:13     INFO - GECKO(9892) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-05-08T21:02:13.729Z] 21:02:13     INFO - GECKO(9892) | JavaScript error: , line 0: NotFoundError: No such JSProcessActor 'DevToolsProcess'
[task 2025-05-08T21:02:13.730Z] 21:02:13     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-05-08T21:02:13.732Z] 21:02:13     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-05-08T21:02:13.733Z] 21:02:13     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSProcessActor 'DevToolsProcess'"]
[task 2025-05-08T21:02:13.733Z] 21:02:13     INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_object_inspector_entries.js | The main process DevToolsServer has no pending connection when the test ends - 

Comment 1

[BugBot [:suhaib / :marco]]

:ochameau, since you are the author of the regressor, bug 1958081, could you take a look?

For more information, please visit BugBot documentation.

Comment 2

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Table

	no_variant
windows11-x86/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-05-05&endday=2025-05-11&tree=all

Comment 3

[Serban Stanca [:SerbanS]]

Tier 1 failure link here.

Comment 4

[BugBot [:suhaib / :marco]]

Set release status flags based on info from the regressing bug 1958081

Comment 5

[Intermittent Failures Robot]

31 failures were associated with this bug in the last 7 days.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• autoland: 23
• try: 1
• mozilla-central: 7

Table

	asan	debug	no_variant	opt	tsan
linux1804-x86_64/opt			7
macosx1470-x86_64/debug			18
macosx1470-x86_64/opt			2
windows11-x86/opt			1
windows11-x86_64/opt			3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-05-12&endday=2025-05-18&tree=all

Comment 6

[Cristina Horotan [:chorotan]]

There have been 46 total failures in the last 7 days.
There are:

• 5 failures on linux1804-64-qr opt
• 30 failures on macosx1470-64 debug
• 11 failures on windows11-64-24h2 opt

Recent failure log.

This started to frequently fail when you patch landed here, Alex can you please take a look?

Comment 7

[Intermittent Failures Robot]

51 failures were associated with this bug in the last 7 days.
This is the #19 most frequent failure this week.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• autoland: 38
• mozilla-central: 7
• try: 6

Table

	asan	debug	no_variant	opt	tsan
linux1804-x86_64/opt			7
macosx1470-x86_64/debug			24
macosx1470-x86_64/opt			8
windows11-x86_64/opt			12

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-05-19&endday=2025-05-25&tree=all

Comment 8

[BugBot [:suhaib / :marco]]

Set release status flags based on info from the regressing bug 1958081

Comment 9

[Intermittent Failures Robot]

45 failures were associated with this bug in the last 7 days.
This is the #29 most frequent failure this week.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• mozilla-beta: 16
• autoland: 18
• mozilla-central: 4
• try: 7

Table

	asan	debug	no_variant	opt	tsan
linux1804-x86_64/opt			9
macosx1470-x86_64/debug			20
macosx1470-x86_64/opt			4
windows11-x86_64/opt			12

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-05-26&endday=2025-06-01&tree=all

Comment 10

[Intermittent Failures Robot]

21 failures were associated with this bug yesterday.

Repository breakdown:

• mozilla-beta: 5
• autoland: 14
• mozilla-central: 1
• try: 1

Table

	asan	debug	no_variant	opt	tsan
linux1804-x86_64/opt			7
macosx1470-x86_64/debug			7
windows11-x86_64/opt			7

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-06-03&endday=2025-06-03&tree=all

Comment 11

[Nicolas Chevobbe [:nchevobbe]]

Attachment: Bug 1965340 - [devtools] Fix browser_webconsole_object_inspector_entries.js intermittent failures. r=#devtools.

Scroll to bottom before logging a new message.

Comment 12

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/13c7cf0df138
https://hg.mozilla.org/integration/autoland/rev/29cf6f25afc5
[devtools] Fix browser_webconsole_object_inspector_entries.js intermittent failures. r=devtools-reviewers,jdescottes.

Comment 13

[Sandor Molnar[:smolnar]]

https://hg.mozilla.org/mozilla-central/rev/29cf6f25afc5

Comment 14

[BugBot [:suhaib / :marco]]

The patch landed in nightly and beta is affected.
:nchevobbe, is this bug important enough to require an uplift?

• If yes, please nominate the patch for beta approval.
  • See https://wiki.mozilla.org/Release_Management/Requesting_an_Uplift for documentation on how to request an uplift.
• If no, please set status-firefox140 to wontfix.

For more information, please visit BugBot documentation.

Comment 15

[Intermittent Failures Robot]

45 failures were associated with this bug in the last 7 days.
This is the #34 most frequent failure this week.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• mozilla-beta: 17
• autoland: 23
• mozilla-central: 2
• try: 3

Table

	asan	debug	no_variant	opt	tsan
linux1804-x86_64/opt			19
macosx1470-x86_64/debug			14
windows11-x86_64/opt			12

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-06-02&endday=2025-06-08&tree=all

Comment 16

[Intermittent Failures Robot]

13 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 13

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux1804-x86_64/opt			1
macosx1470-x86_64/debug			1
windows11-x86_64/opt			1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-06-09&endday=2025-06-15&tree=all

Comment 17

[Intermittent Failures Robot]

3 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1
• mozilla-esr140: 2

Table

	no_variant
macosx1470-x86_64/debug	2
windows11-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-06-16&endday=2025-06-22&tree=all

Comment 18

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/asan			1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1965340&startday=2025-06-23&endday=2025-06-29&tree=all