1559515 - Intermittent browser/modules/test/browser/browser_TabUnloader.js | uncaught exception - TypeError: right-hand side of 'in' should be an object, got null at _insertBrowser@chrome://browser/content/tabbrowser.js:2082:9

Status: RESOLVED INCOMPLETE

(Firefox :: General, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: malexandru [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=251943350&repo=autoland
Full log: https://queue.taskcluster.net/v1/task/HHDLdUbdTZeWcg4gFUEy_A/runs/0/artifacts/public/logs/live_backing.log

---

[task 2019-06-14T20:37:10.289Z] 20:37:10 INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | low-memory memory-pressure notification unloaded the LRU tab -
[task 2019-06-14T20:37:10.290Z] 20:37:10 INFO - Leaving test bound test
[task 2019-06-14T20:37:10.291Z] 20:37:10 INFO - Buffered messages finished
[task 2019-06-14T20:37:10.291Z] 20:37:10 INFO - TEST-UNEXPECTED-FAIL | browser/modules/test/browser/browser_TabUnloader.js | uncaught exception - TypeError: right-hand side of 'in' should be an object, got null at _insertBrowser@chrome://browser/content/tabbrowser.js:2082:9
[task 2019-06-14T20:37:10.291Z] 20:37:10 INFO - getter@chrome://browser/content/tabbrowser.js:2049:18
[task 2019-06-14T20:37:10.292Z] 20:37:10 INFO - updateWebNavigationForLocationChange@chrome://global/content/elements/browser-custom-element.js:1395:9
[task 2019-06-14T20:37:10.292Z] 20:37:10 INFO - getInterfaceProxy/get/<@chrome://global/content/customElements.js:537:33
[task 2019-06-14T20:37:10.292Z] 20:37:10 INFO -
[task 2019-06-14T20:37:10.293Z] 20:37:10 INFO - Stack trace:
[task 2019-06-14T20:37:10.293Z] 20:37:10 INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:simpletestOnerror:1665
[task 2019-06-14T20:37:10.293Z] 20:37:10 INFO - OnErrorEventHandlerNonNull*chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:null:1645
[task 2019-06-14T20:37:10.294Z] 20:37:10 INFO - chrome://mochikit/content/browser-test.js:Tester:402
[task 2019-06-14T20:37:10.295Z] 20:37:10 INFO - chrome://mochikit/content/browser-harness.xul:createTester/</<:255
[task 2019-06-14T20:37:10.295Z] 20:37:10 INFO - GECKO(3772) | JavaScript error: chrome://browser/content/tabbrowser.js, line 2082: TypeError: right-hand side of 'in' should be an object, got null
[task 2019-06-14T20:37:10.296Z] 20:37:10 INFO - GECKO(3772) | [Child 3950, Main Thread] WARNING: NS_ENSURE_SUCCESS(mStatus, *this) failed with result 0x80004005: file /builds/worker/workspace/build/src/obj-firefox/dist/include/nsIURIMutator.h, line 489
[task 2019-06-14T20:37:10.296Z] 20:37:10 INFO - GECKO(3772) | console.log: [bug 1345098] Lazy browser prematurely inserted via 'messageManager' property access:
[task 2019-06-14T20:37:10.297Z] 20:37:10 INFO - GECKO(3772) | getter@chrome://browser/content/tabbrowser.js:2047:37
[task 2019-06-14T20:37:10.298Z] 20:37:10 INFO - GECKO(3772) | updateForLocationChange@chrome://global/content/elements/browser-custom-element.js:1416:9
[task 2019-06-14T20:37:10.300Z] 20:37:10 INFO - GECKO(3772) | getInterfaceProxy/get/<@chrome://global/content/customElements.js:537:33
[task 2019-06-14T20:37:10.300Z] 20:37:10 INFO - Not taking screenshot here: see the one that was previously logged
[task 2019-06-14T20:37:10.301Z] 20:37:10 INFO - TEST-UNEXPECTED-FAIL | browser/modules/test/browser/browser_TabUnloader.js | uncaught exception - TypeError: right-hand side of 'in' should be an object, got null at _insertBrowser@chrome://browser/content/tabbrowser.js:2082:9
[task 2019-06-14T20:37:10.301Z] 20:37:10 INFO - getter@chrome://browser/content/tabbrowser.js:2049:18
[task 2019-06-14T20:37:10.301Z] 20:37:10 INFO - updateForLocationChange@chrome://global/content/elements/browser-custom-element.js:1416:9
[task 2019-06-14T20:37:10.302Z] 20:37:10 INFO - getInterfaceProxy/get/<@chrome://global/content/customElements.js:537:33

Comment 1

[Intermittent Failures Robot]

1 failures in 4753 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2019-06-10&endday=2019-06-16&tree=all

Comment 2

[Intermittent Failures Robot]

2 failures in 2581 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 2

Platform breakdown:

• linux64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2019-06-17&endday=2019-06-23&tree=all

Comment 3

[Intermittent Failures Robot]

2 failures in 3501 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1
• mozilla-central: 1

Platform breakdown:

• linux64: 1
• linux64-ccov: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2019-07-01&endday=2019-07-07&tree=all

Comment 4

[Firefox Bug Husbandry Bot]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup

Comment 5

[Stefan Hindli [:stefan_hindli]]

New failure: https://treeherder.mozilla.org/#/jobs?repo=mozilla-central&resultStatus=testfailed%2Cbusted%2Cexception&classifiedState=unclassified&selectedJob=264244093

Comment 6

[Intermittent Failures Robot]

1 failures in 5047 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform breakdown:

• linux64-ccov: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2019-08-26&endday=2019-09-01&tree=all

Comment 7

[Firefox Bug Husbandry Bot]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.

Comment 8

[Alexandru Michis [:malexandru]]

Recent failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=277993530&repo=autoland&lineNumber=11949

Comment 9

[Intermittent Failures Robot]

1 failures in 4331 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2019-11-25&endday=2019-12-01&tree=all

Comment 10

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

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.

Comment 11

[Alexandru Michis [:malexandru]]

Recent failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=285002426&repo=autoland&lineNumber=20996

Comment 12

[Intermittent Failures Robot]

1 failures in 3773 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-01-13&endday=2020-01-19&tree=all

Comment 13

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

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.

Comment 14

[Razvan Maries]

New occurrence: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=292208147&repo=autoland&lineNumber=22369

Comment 15

[Intermittent Failures Robot]

1 failures in 5336 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-03-09&endday=2020-03-15&tree=all

Comment 16

[Intermittent Failures Robot]

2 failures in 4955 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1
• mozilla-central: 1

Platform breakdown:

• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-03-16&endday=2020-03-22&tree=all

Comment 17

[Intermittent Failures Robot]

1 failures in 4773 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-03-23&endday=2020-03-29&tree=all

Comment 18

[Intermittent Failures Robot]

1 failures in 5015 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-03-30&endday=2020-04-05&tree=all

Comment 19

[Intermittent Failures Robot]

1 failures in 4528 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-04-13&endday=2020-04-19&tree=all

Comment 20

[Intermittent Failures Robot]

1 failures in 5582 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-04-20&endday=2020-04-26&tree=all

Comment 21

[Intermittent Failures Robot]

2 failures in 5423 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-04-27&endday=2020-05-03&tree=all

Comment 22

[Intermittent Failures Robot]

2 failures in 5276 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1
• mozilla-central: 1

Platform breakdown:

• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-05-04&endday=2020-05-10&tree=all

Comment 23

[Intermittent Failures Robot]

2 failures in 4727 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• linux1804-64: 1
• linux1804-64-asan: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-05-18&endday=2020-05-24&tree=all

Comment 24

[Intermittent Failures Robot]

4 failures in 5458 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 4

Platform breakdown:

• linux1804-64: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-05-25&endday=2020-05-31&tree=all

Comment 25

[Intermittent Failures Robot]

6 failures in 4949 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6

Platform breakdown:

• linux1804-64: 6

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-06-01&endday=2020-06-07&tree=all

Comment 26

[Intermittent Failures Robot]

2 failures in 5211 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-06-08&endday=2020-06-14&tree=all

Comment 27

[Intermittent Failures Robot]

3 failures in 4035 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

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

Platform breakdown:

• linux1804-64: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-06-15&endday=2020-06-21&tree=all

Comment 28

[Intermittent Failures Robot]

4 failures in 5252 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1
• autoland: 2
• mozilla-central: 1

Platform breakdown:

• linux1804-64: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-06-22&endday=2020-06-28&tree=all

Comment 29

[Intermittent Failures Robot]

1 failures in 4516 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-06-29&endday=2020-07-05&tree=all

Comment 30

[Intermittent Failures Robot]

4 failures in 5265 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 3
• try: 1

Platform breakdown:

• linux1804-64: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-07-06&endday=2020-07-12&tree=all

Comment 31

[Intermittent Failures Robot]

3 failures in 4014 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 3

Platform breakdown:

• linux1804-64: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-07-13&endday=2020-07-19&tree=all

Comment 32

[Intermittent Failures Robot]

1 failures in 4310 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-07-20&endday=2020-07-26&tree=all

Comment 33

[Intermittent Failures Robot]

3 failures in 4289 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 2

Platform breakdown:

• linux1804-64: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-07-27&endday=2020-08-02&tree=all

Comment 34

[Intermittent Failures Robot]

6 failures in 4618 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6

Platform breakdown:

• linux1804-64: 6

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-08-03&endday=2020-08-09&tree=all

Comment 35

[Intermittent Failures Robot]

1 failures in 4100 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-08-17&endday=2020-08-23&tree=all

Comment 36

[Intermittent Failures Robot]

2 failures in 4046 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-08-24&endday=2020-08-30&tree=all

Comment 37

[Intermittent Failures Robot]

1 failures in 2984 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-08-31&endday=2020-09-06&tree=all

Comment 38

[Intermittent Failures Robot]

1 failures in 3410 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-09-07&endday=2020-09-13&tree=all

Comment 39

[Intermittent Failures Robot]

3 failures in 3760 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 3

Platform breakdown:

• linux1804-64: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-09-14&endday=2020-09-20&tree=all

Comment 40

[Intermittent Failures Robot]

2 failures in 4195 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1559515&startday=2020-09-28&endday=2020-10-04&tree=all

Comment 41

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

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.