Bug: Intermittent browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-10-12 00:56:57+00:00
Resolved: 2024-05-01 12:01:43+00:00

**Filed by:** mlaza [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=392938217&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Asz6yZ-pSx2YKoHplpB1Xg/runs/0/artifacts/public/logs/live_backing.log

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```
[task 2022-10-12T00:03:38.794Z] 00:03:38     INFO - TEST-PASS | browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js | Stuff should exist - 
[task 2022-10-12T00:03:38.794Z] 00:03:38     INFO - Buffered messages finished
[task 2022-10-12T00:03:38.795Z] 00:03:38     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js | Uncaught exception in test - at chrome://mochikit/content/tests/SimpleTest/EventUtils.js:2815 - Error: No data transfer object after synthesizing the mouse!
[task 2022-10-12T00:03:38.795Z] 00:03:38     INFO - Stack trace:
[task 2022-10-12T00:03:38.796Z] 00:03:38     INFO - synthesizeDragOver@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:2815:11
[task 2022-10-12T00:03:38.796Z] 00:03:38     INFO - synthesizeDrop@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:2937:52
[task 2022-10-12T00:03:38.796Z] 00:03:38     INFO - simulateItemDrag@chrome://mochitests/content/browser/browser/components/customizableui/test/head.js:228:17
[task 2022-10-12T00:03:38.796Z] 00:03:38     INFO - @chrome://mochitests/content/browser/browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js:18:19
[task 2022-10-12T00:03:38.796Z] 00:03:38     INFO - Leaving test bound 
[task 2022-10-12T00:03:38.796Z] 00:03:38     INFO - Entering test bound asyncCleanup
[task 2022-10-12T00:03:38.797Z] 00:03:38     INFO - GECKO(7900) | console.error: CustomizableUI:
[task 2022-10-12T00:03:38.797Z] 00:03:38     INFO - GECKO(7900) |   TypeError: can't access property "nodeName", aWrapper is null -- resource:///modules/CustomizeMode.jsm:1088
[task 2022-10-12T00:03:38.797Z] 00:03:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-10-12T00:03:38.799Z] 00:03:38     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js | Uncaught exception in test - NotFoundError: Node.insertBefore: Child to insert before is not a child of this node
[task 2022-10-12T00:03:38.799Z] 00:03:38     INFO - Stack trace:
[task 2022-10-12T00:03:38.799Z] 00:03:38     INFO - insertWidgetBefore@resource:///modules/CustomizableUI.jsm:1609:16
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - buildArea@resource:///modules/CustomizableUI.jsm:1121:14
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - _rebuildRegisteredAreas@resource:///modules/CustomizableUI.jsm:3190:14
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - reset@resource:///modules/CustomizableUI.jsm:3130:10
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - reset@resource:///modules/CustomizableUI.jsm:4227:28
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - resetCustomization@chrome://mochitests/content/browser/browser/components/customizableui/test/head.js:120:25
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - asyncCleanup@chrome://mochitests/content/browser/browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js:26:9
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - handleTask@chrome://mochikit/content/browser-test.js:1045:26
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1117:18
[task 2022-10-12T00:03:38.800Z] 00:03:38     INFO - Leaving test bound asyncCleanup
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - Console message: [JavaScript Error: "TypeError: event.target.closest is not a function" {file: "resource:///modules/UrlbarInput.sys.mjs" line: 3194}]
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - _on_mousedown@resource:///modules/UrlbarInput.sys.mjs:3194:26
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - handleEvent@resource:///modules/UrlbarInput.sys.mjs:494:23
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - synthesizeMouseAtPoint@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:632:32
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - synthesizeMouse@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:566:10
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - synthesizeMouseAtCenter@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:739:10
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - synthesizeDragOver@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:2803:26
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - synthesizeDrop@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:2937:52
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - simulateItemDrag@chrome://mochitests/content/browser/browser/components/customizableui/test/head.js:228:17
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - @chrome://mochitests/content/browser/browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js:18:19
[task 2022-10-12T00:03:38.802Z] 00:03:38     INFO - 
[task 2022-10-12T00:03:39.336Z] 00:03:39     INFO - GECKO(7900) | MEMORY STAT | vsize 2112462MB | vsizeMaxContiguous 66602977MB | residentFast 320MB | heapAllocated 147MB
[task 2022-10-12T00:03:39.343Z] 00:03:39     INFO - TEST-OK | browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js | took 716ms
```