1658328 - Intermittent devtools/client/inspector/rules/test/browser_rules_css-compatibility-add-rename-rule.js | Uncaught exception - at chrome://mochitests/content/browser/devtools/client/inspector/test/head.js:929 - TypeError: view.element.children[childrenIndex]

Status: RESOLVED DUPLICATE of bug 1657807

(DevTools :: Inspector: Rules, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: archaeopteryx [at] coole-files.de
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=312593979&repo=try
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/KQus877XSki6K11uleegnw/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - TEST-PASS | devtools/client/inspector/rules/test/browser_rules_css-compatibility-add-rename-rule.js | A new test property was added -
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - TEST-PASS | devtools/client/inspector/rules/test/browser_rules_css-compatibility-add-rename-rule.js | The inplace editor appeared for the value -
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - Adding value pointer
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - Waiting for DOM mutations in case the property was added to the element style
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - Selecting the node for 'div'
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - Console message: [JavaScript Warning: "Empty string passed to getElementById()." {file: "chrome://global/content/elements/browser-custom-element.js" line: 361}]
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - Buffered messages finished
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - TEST-UNEXPECTED-FAIL | devtools/client/inspector/rules/test/browser_rules_css-compatibility-add-rename-rule.js | Uncaught exception - at chrome://mochitests/content/browser/devtools/client/inspector/test/head.js:929 - TypeError: view.element.children[childrenIndex] is undefined
[task 2020-08-10T14:15:56.060Z] 14:15:56 INFO - Stack trace:
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - getRuleViewRuleEditor@chrome://mochitests/content/browser/devtools/client/inspector/test/head.js:929:1
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - getPropertiesForRuleIndex@chrome://mochitests/content/browser/devtools/client/inspector/rules/test/head.js:688:43
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - checkDeclarationCompatibility@chrome://mochitests/content/browser/devtools/client/inspector/rules/test/head.js:825:49
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - runCSSCompatibilityTests@chrome://mochitests/content/browser/devtools/client/inspector/rules/test/head.js:1007:15
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - async*@chrome://mochitests/content/browser/devtools/client/inspector/rules/test/browser_rules_css-compatibility-add-rename-rule.js:147:9
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1064:34
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:1104:11
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - nextTest/<@chrome://mochikit/content/browser-test.js:927:14
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1032:23
[task 2020-08-10T14:15:56.061Z] 14:15:56 INFO - Leaving test bound

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1649021

Comment 2

[Intermittent Failures Robot]

9 failures in 3601 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 3
• autoland: 5
• mozilla-central: 1

Platform breakdown:

• windows10-64: 5
• macosx1014-64: 1
• linux1804-64: 2
• linux1804-64-asan: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1658328&startday=2020-08-10&endday=2020-08-16&tree=all

Comment 3

[Intermittent Failures Robot]

11 failures in 4100 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 8
• mozilla-central: 3

Platform breakdown:

• linux1804-64: 1
• windows10-64: 7
• linux1804-64-asan: 1
• windows7-32: 1
• macosx1014-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1658328&startday=2020-08-17&endday=2020-08-23&tree=all

Comment 4

[Intermittent Failures Robot]

9 failures in 4046 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 5
• mozilla-beta: 2
• try: 2

Platform breakdown:

• windows10-64: 6
• linux1804-64: 1
• windows7-32: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1658328&startday=2020-08-24&endday=2020-08-30&tree=all

Comment 5

[Intermittent Failures Robot]

13 failures in 2984 pushes (0.004 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 4
• autoland: 6
• mozilla-beta: 2
• try: 1

Platform breakdown:

• linux1804-64-asan: 1
• windows10-64: 7
• linux1804-64: 3
• macosx1014-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1658328&startday=2020-08-31&endday=2020-09-06&tree=all

Comment 6

[Intermittent Failures Robot]

7 failures in 3410 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6
• mozilla-central: 1

Platform breakdown:

• windows10-64: 4
• linux1804-64: 2
• macosx1014-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1658328&startday=2020-09-07&endday=2020-09-13&tree=all

Comment 7

[Intermittent Failures Robot]

16 failures in 719 pushes (0.022 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 16

Platform breakdown:

• linux1804-64: 12
• macosx1014-64: 1
• windows10-64: 2
• linux1804-64-asan: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1658328&startday=2020-09-17&endday=2020-09-17&tree=all

Comment 8

[Dorel Luca [:dluca]]

This bug failed 30 times in the last 7 days. Occurs on linux1804-64, linux1804-64-asan, macosx1014-64, windows10-64, windows10-64-ccov on debug, asan and opt build types.

Recent log:
https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=316068415&repo=autoland&lineNumber=2293

Comment 10

[Intermittent Failures Robot]

33 failures in 3760 pushes (0.009 failures/push) were associated with this bug in the last 7 days.

This is the #35 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-central: 4
• autoland: 27
• try: 2

Platform breakdown:

• windows10-64: 8
• macosx1014-64: 3
• windows10-64-ccov: 1
• linux1804-64-asan: 2
• linux1804-64: 18
• linux1804-64-ccov: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1658328&startday=2020-09-14&endday=2020-09-20&tree=all