Bug: Intermittent /components/places/tests/browser/browser_check_correct_controllers.js | Uncaught exception - at chrome://mochikit/content/tests/SimpleTest/EventUtils.js:507 - TypeError: can't access property "getBoundingClientRect", aTarget is undefined
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2021-04-13 20:44:22+00:00
Resolved: 2022-07-04 10:00:03+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=336379100&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NkXjMlvZRNmRO7bfhdJLCg/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/NkXjMlvZRNmRO7bfhdJLCg/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2021-04-13T16:18:57.178Z] 16:18:57     INFO - TEST-OK | browser/components/places/tests/browser/browser_check_correct_controllers.js | took 297ms
[task 2021-04-13T16:18:57.188Z] 16:18:57     INFO - checking window state
[task 2021-04-13T16:18:57.224Z] 16:18:57     INFO - TEST-START | browser/components/places/tests/browser/browser_check_correct_controllers.js
[task 2021-04-13T16:18:57.332Z] 16:18:57     INFO - TEST-INFO | started process screentopng
[task 2021-04-13T16:18:57.655Z] 16:18:57     INFO - TEST-INFO | screentopng: exit 0
[task 2021-04-13T16:18:57.655Z] 16:18:57     INFO - Buffered messages logged at 16:18:57
[task 2021-04-13T16:18:57.655Z] 16:18:57     INFO - Entering test bound test
[task 2021-04-13T16:18:57.656Z] 16:18:57     INFO - TEST-PASS | browser/components/places/tests/browser/browser_check_correct_controllers.js | The sidebar should be hidden - 
[task 2021-04-13T16:18:57.656Z] 16:18:57     INFO - TEST-PASS | browser/components/places/tests/browser/browser_check_correct_controllers.js | tree controller was returned - 
[task 2021-04-13T16:18:57.656Z] 16:18:57     INFO - Buffered messages finished
[task 2021-04-13T16:18:57.657Z] 16:18:57     INFO - TEST-UNEXPECTED-FAIL | browser/components/places/tests/browser/browser_check_correct_controllers.js | Uncaught exception - at chrome://mochikit/content/tests/SimpleTest/EventUtils.js:507 - TypeError: can't access property "getBoundingClientRect", aTarget is undefined
[task 2021-04-13T16:18:57.657Z] 16:18:57     INFO - Stack trace:
[task 2021-04-13T16:18:57.657Z] 16:18:57     INFO - synthesizeMouse@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:507:14
[task 2021-04-13T16:18:57.657Z] 16:18:57     INFO - test@chrome://mochitests/content/browser/browser/components/places/tests/browser/browser_check_correct_controllers.js:54:14
[task 2021-04-13T16:18:57.658Z] 16:18:57     INFO - Leaving test bound test
[task 2021-04-13T16:18:57.658Z] 16:18:57     INFO - GECKO(6461) | MEMORY STAT | vsize 3415MB | residentFast 483MB | heapAllocated 222MB
[task 2021-04-13T16:18:57.658Z] 16:18:57     INFO - TEST-OK | browser/components/places/tests/browser/browser_check_correct_controllers.js | took 143ms
[task 2021-04-13T16:18:57.658Z] 16:18:57     INFO - checking window state
[task 2021-04-13T16:18:57.659Z] 16:18:57     INFO - GECKO(6461) | Completed ShutdownLeaks collections in process 6461
[task 2021-04-13T16:18:57.659Z] 16:18:57     INFO - TEST-START | Shutdown
[task 2021-04-13T16:18:57.661Z] 16:18:57     INFO - Browser Chrome Test Summary
[task 2021-04-13T16:18:57.662Z] 16:18:57     INFO - Passed:  38
[task 2021-04-13T16:18:57.662Z] 16:18:57     INFO - Failed:  1
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - Todo:    0
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - Mode:    e10s
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - *** End BrowserChrome Test Results ***
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | Exiting due to channel error.
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | Exiting due to channel error.
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | Exiting due to channel error.
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | Exiting due to channel error.
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | Exiting due to channel error.
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | Exiting due to channel error.
[task 2021-04-13T16:18:57.664Z] 16:18:57     INFO - GECKO(6461) | Exiting due to channel error.
[task 2021-04-13T16:18:57.665Z] 16:18:57     INFO - TEST-INFO | Main app process: exit 0
[task 2021-04-13T16:18:57.667Z] 16:18:57     INFO - runtests.py | Application ran for: 0:00:10.821335
[task 2021-04-13T16:18:57.667Z] 16:18:57     INFO - zombiecheck | Reading PID log: /tmp/tmpImipCmpidlog
[task 2021-04-13T16:18:57.668Z] 16:18:57     INFO - ==> process 6461 launched child process 6483
[task 2021-04-13T16:18:57.668Z] 16:18:57     INFO - ==> process 6461 launched child process 6532
[task 2021-04-13T16:18:57.669Z] 16:18:57     INFO - ==> process 6461 launched child process 6543
[task 2021-04-13T16:18:57.669Z] 16:18:57     INFO - ==> process 6461 launched child process 6590
[task 2021-04-13T16:18:57.669Z] 16:18:57     INFO - ==> process 6461 launched child process 6655
[task 2021-04-13T16:18:57.670Z] 16:18:57     INFO - ==> process 6461 launched child process 6687
[task 2021-04-13T16:18:57.670Z] 16:18:57     INFO - ==> process 6461 launched child process 6727
[task 2021-04-13T16:18:57.670Z] 16:18:57     INFO - ==> process 6461 launched child process 6748
[task 2021-04-13T16:18:57.671Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6532
[task 2021-04-13T16:18:57.671Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6727
[task 2021-04-13T16:18:57.671Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6543
[task 2021-04-13T16:18:57.671Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6483
[task 2021-04-13T16:18:57.672Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6655
[task 2021-04-13T16:18:57.672Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6748
[task 2021-04-13T16:18:57.672Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6590
[task 2021-04-13T16:18:57.673Z] 16:18:57     INFO - zombiecheck | Checking for orphan process with PID: 6687
[task 2021-04-13T16:18:57.673Z] 16:18:57     INFO - Stopping web server
[task 2021-04-13T16:18:57.681Z] 16:18:57     INFO - Server shut down.
[task 2021-04-13T16:18:57.716Z] 16:18:57     INFO - Web server killed.
[task 2021-04-13T16:18:57.716Z] 16:18:57     INFO - Stopping web socket server
[task 2021-04-13T16:18:57.737Z] 16:18:57     INFO - Stopping ssltunnel
[task 2021-04-13T16:18:57.757Z] 16:18:57  WARNING - leakcheck | refcount logging is off, so leaks can't be detected!
[task 2021-04-13T16:18:57.757Z] 16:18:57     INFO - runtests.py | Running tests: end.
[task 2021-04-13T16:18:57.777Z] 16:18:57     INFO - Buffered messages finished
[task 2021-04-13T16:18:57.778Z] 16:18:57     INFO -  TEST-INFO | checking window state
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO -  Browser Chrome Test Summary
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO -  	Passed: 38
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO -  	Failed: 1
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO -  	Todo: 0
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO -  	Mode: e10s
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO -  *** End BrowserChrome Test Results ***
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO - Buffered messages finished
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO - SUITE-END | took 11s
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO - SUITE-START | Running 1 tests
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO - :::
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO - ::: Test verification summary for:
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO - :::
[task 2021-04-13T16:18:57.779Z] 16:18:57     INFO - ::: browser/components/places/tests/browser/browser_check_correct_controllers.js
[task 2021-04-13T16:18:57.780Z] 16:18:57     INFO - :::
[task 2021-04-13T16:18:57.780Z] 16:18:57     INFO - ::: 1. Run each test 10 times in one browser. : FAIL
[task 2021-04-13T16:18:57.780Z] 16:18:57     INFO - ::: 2. Run each test 5 times in a new browser each time. : not run / incomplete
[task 2021-04-13T16:18:57.780Z] 16:18:57     INFO - ::: 3. Run each test 10 times in one browser, in chaos mode. : not run / incomplete
[task 2021-04-13T16:18:57.781Z] 16:18:57     INFO - ::: 4. Run each test 5 times in a new browser each time, in chaos mode. : not run / incomplete
[task 2021-04-13T16:18:57.782Z] 16:18:57     INFO - :::
[task 2021-04-13T16:18:57.783Z] 16:18:57     INFO - ::: Test verification FAILED!
[task 2021-04-13T16:18:57.784Z] 16:18:57     INFO - :::
[task 2021-04-13T16:18:57.785Z] 16:18:57     INFO - Buffered messages finished
[task 2021-04-13T16:18:57.786Z] 16:18:57     INFO - SUITE-END | took 0s
[task 2021-04-13T16:18:57.847Z] 16:18:57     INFO - Return code: 0
[task 2021-04-13T16:18:57.848Z] 16:18:57    ERROR - Got 1 unexpected statuses```