1510833 - Intermittent dom/tests/mochitest/chrome/test_focus.xul | activeWindow - got null, expected undefined

Status: RESOLVED INCOMPLETE

(Core :: DOM: Core & HTML, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: btara [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=214418170&repo=autoland

https://queue.taskcluster.net/v1/task/MSGvppODR5Og2mNep5cERg/runs/0/artifacts/public/logs/live_backing.log

17:33:45     INFO - TEST-START | dom/tests/mochitest/chrome/test_focus.xul
17:33:45     INFO - TEST-INFO | started process screenshot
17:33:46     INFO - TEST-INFO | screenshot: exit 0
17:33:46     INFO - Buffered messages logged at 17:33:45
17:33:46     INFO - must wait for load
17:33:46     INFO - must wait for focus
17:33:46     INFO - Buffered messages finished
17:33:46     INFO - TEST-UNEXPECTED-FAIL | dom/tests/mochitest/chrome/test_focus.xul | activeWindow - got null, expected undefined
17:33:46     INFO - SimpleTest.is@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:320:5
17:33:46     INFO - is@chrome://mochitests/content/chrome/dom/tests/mochitest/chrome/window_focus.xul:44:24
17:33:46     INFO - startTest@chrome://mochitests/content/chrome/dom/tests/mochitest/chrome/window_focus.xul:371:3
17:33:46     INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
17:33:46     INFO - TEST-PASS | dom/tests/mochitest/chrome/test_focus.xul |  child document hasFocus 
17:33:46     INFO - Not taking screenshot here: see the one that was previously logged
17:33:46     INFO - TEST-UNEXPECTED-FAIL | dom/tests/mochitest/chrome/test_focus.xul | uncaught exception - TypeError: fm.focusedElement is null; can't access its "id" property at startTest@chrome://mochitests/content/chrome/dom/tests/mochitest/chrome/window_focus.xul:379:3
17:33:46     INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
17:33:46     INFO - 
17:33:46     INFO - simpletestOnerror@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1644:13
17:33:46     INFO - OnErrorEventHandlerNonNull*@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1624:1
17:33:46     INFO - GECKO(8008) | JavaScript error: chrome://mochitests/content/chrome/dom/tests/mochitest/chrome/window_focus.xul, line 379: TypeError: fm.focusedElement is null; can't access its "id" property
17:33:46     INFO - GECKO(8008) | MEMORY STAT | vsize 1745MB | vsizeMaxContiguous 131528033MB | residentFast 286MB | heapAllocated 117MB
17:33:46     INFO - TEST-OK | dom/tests/mochitest/chrome/test_focus.xul | took 220ms

Comment 1

[Intermittent Failures Robot]

1 failures in 2808 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:
* autoland: 1

Platform breakdown:
* windows10-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1510833&startday=2018-11-26&endday=2018-12-02&tree=all

Comment 2

[Firefox Bug Husbandry Bot]

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