Bug: Intermittent browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js | Uncaught exception - at chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js:1249 - TypeError: can't access p
Status: ASSIGNED
Priority: P5
Created: 2020-09-24 20:35:54+00:00
Resolved: 2022-10-12 00:12:21+00:00

**Filed by:** rmaries [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=316632072&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/To0cxN1qQJ-lVydSauvqZQ/runs/2/artifacts/public/logs/live_backing.log

---
```
[task 2020-09-24T20:27:41.748Z] 20:27:41     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js
[task 2020-09-24T20:28:09.182Z] 20:28:09     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js | extra[numWords] must match in event urlbar#abandonment#blur. - "0" matches "0" - 
[task 2020-09-24T20:28:09.183Z] 20:28:09     INFO - Running test at index 37
[task 2020-09-24T20:28:09.183Z] 20:28:09     INFO - Enter search mode from Top Sites.
[task 2020-09-24T20:28:09.184Z] 20:28:09     INFO - Awaiting for the urlbar panel to open
[task 2020-09-24T20:28:09.184Z] 20:28:09     INFO - Buffered messages finished
[task 2020-09-24T20:28:09.184Z] 20:28:09     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js | Uncaught exception - at chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js:1249 - TypeError: can't access property "result", element is null
[task 2020-09-24T20:28:09.185Z] 20:28:09     INFO - Stack trace:
[task 2020-09-24T20:28:09.185Z] 20:28:09     INFO - tests<@chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js:1249:1
[task 2020-09-24T20:28:09.185Z] 20:28:09     INFO - Leaving test bound test
[task 2020-09-24T20:28:09.185Z] 20:28:09     INFO - GECKO(3386) | [Parent 3386, Main Thread] WARNING: 'NS_FAILED(aRv)', file /builds/worker/checkouts/gecko/netwerk/ipc/NeckoParent.cpp, line 914
[task 2020-09-24T20:28:09.188Z] 20:28:09     INFO - GECKO(3386) | [Parent 3386, Main Thread] WARNING: Suboptimal indexes for the SQL statement 0x7f8814146e30 (http://mzl.la/1FuID0j).: file /builds/worker/checkouts/gecko/storage/mozStoragePrivateHelpers.cpp, line 113
[task 2020-09-24T20:28:09.189Z] 20:28:09     INFO - GECKO(3386) | [Child 3603, Main Thread] WARNING: NS_ENSURE_TRUE(mRequest) failed: file /builds/worker/checkouts/gecko/netwerk/base/nsBaseChannel.cpp, line 928
[task 2020-09-24T20:28:09.216Z] 20:28:09     INFO - GECKO(3386) | [Parent 3386, Main Thread] WARNING: 'NS_FAILED(aRv)', file /builds/worker/checkouts/gecko/netwerk/ipc/NeckoParent.cpp, line 914
[task 2020-09-24T20:28:09.217Z] 20:28:09     INFO - GECKO(3386) | MEMORY STAT | vsize 3660MB | residentFast 538MB | heapAllocated 185MB
[task 2020-09-24T20:28:09.217Z] 20:28:09     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_urlbar_event_telemetry.js | took 27478ms
[task 2020-09-24T20:28:09.232Z] 20:28:09     INFO - GECKO(3386) | [Child 3631: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 0x7f7895dfa800 == 1 [pid = 3631] [id = 129]
[task 2020-09-24T20:28:09.232Z] 20:28:09     INFO - GECKO(3386) | [Child 3631: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (0x7f789695b090) [pid = 3631] [serial = 337] [outer = (nil)]
[task 2020-09-24T20:28:09.232Z] 20:28:09     INFO - GECKO(3386) | [Child 3631: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (0x7f7895dfb000) [pid = 3631] [serial = 338] [outer = 0x7f789695b090]
[task 2020-09-24T20:28:09.308Z] 20:28:09     INFO - checking window state
[task 2020-09-24T20:28:09.344Z] 20:28:09     INFO - GECKO(3386) | [Child 3603, Main Thread] WARNING: NS_ENSURE_TRUE(mRequest) failed: file /builds/worker/checkouts/gecko/netwerk/base/nsBaseChannel.cpp, line 928```