Bug: Intermittent browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | A promise chain failed to handle a rejection: Actor 'Conduits' destroyed before query 'RunListener' was resolved - stack: (No stack available.)
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-05-26 13:23:51+00:00
Resolved: 2022-08-30 17:03:34+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=379347267&repo=try
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fODb2eh8RjKtom6MHU6riw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-05-26T12:06:10.203Z] 12:06:10     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js
[task 2022-05-26T12:06:10.774Z] 12:06:10     INFO - GECKO(8308) | [Parent 4160, IPC I/O Parent] WARNING: pipe error: 232: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:554
[task 2022-05-26T12:06:10.786Z] 12:06:10     INFO - GECKO(8308) | [Parent 4160, IPC I/O Parent] WARNING: pipe error: 232: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:554
[task 2022-05-26T12:06:10.799Z] 12:06:10     INFO - GECKO(8308) | ###!!! [Parent][PContentParent] Error: Send(msgname=PBrowser::Msg_AsyncMessage) Channel error: cannot send/recv
[task 2022-05-26T12:06:10.822Z] 12:06:10     INFO - GECKO(8308) | ###!!! [Parent][PContentParent] Error: Send(msgname=PContent::Msg_DiscardBrowsingContext) Channel error: cannot send/recv
[task 2022-05-26T12:06:10.831Z] 12:06:10     INFO - GECKO(8308) | [Parent 4160, IPC I/O Parent] WARNING: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_win.cc:167
[task 2022-05-26T12:06:10.875Z] 12:06:10     INFO - GECKO(8308) | ###!!! [Parent][PContentParent] Error: Send(msgname=PContent::Msg_AsyncMessage) Channel error: cannot send/recv
[task 2022-05-26T12:06:10.893Z] 12:06:10     INFO - GECKO(8308) | [Parent 4160, IPC I/O Parent] WARNING: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_win.cc:167
[task 2022-05-26T12:06:10.907Z] 12:06:10     INFO - GECKO(8308) | [Parent 4160, IPC I/O Parent] WARNING: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_win.cc:167
[task 2022-05-26T12:06:10.911Z] 12:06:10     INFO - GECKO(8308) | JavaScript error: , line 0: AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved
[task 2022-05-26T12:06:10.912Z] 12:06:10     INFO - GECKO(8308) | JavaScript error: , line 0: AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved
[task 2022-05-26T12:06:10.912Z] 12:06:10     INFO - GECKO(8308) | JavaScript error: , line 0: AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved
[task 2022-05-26T12:06:10.913Z] 12:06:10     INFO - GECKO(8308) | JavaScript error: , line 0: AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved
[task 2022-05-26T12:06:11.260Z] 12:06:11     INFO - TEST-INFO | started process screenshot
[task 2022-05-26T12:06:11.491Z] 12:06:11     INFO - TEST-INFO | screenshot: exit 0
[task 2022-05-26T12:06:11.502Z] 12:06:11     INFO - Buffered messages logged at 12:06:10
[task 2022-05-26T12:06:11.502Z] 12:06:11     INFO - Entering test bound switchToTab
[task 2022-05-26T12:06:11.503Z] 12:06:11     INFO - Awaiting for the urlbar panel to open
[task 2022-05-26T12:06:11.503Z] 12:06:11     INFO - Urlbar panel opened
[task 2022-05-26T12:06:11.504Z] 12:06:11     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Should have a switch tab result - 1 == 1 - 
[task 2022-05-26T12:06:11.505Z] 12:06:11     INFO - Leaving test bound switchToTab
[task 2022-05-26T12:06:11.505Z] 12:06:11     INFO - Entering test bound searchSuggestions
[task 2022-05-26T12:06:11.506Z] 12:06:11     INFO - Awaiting for the urlbar panel to open
[task 2022-05-26T12:06:11.507Z] 12:06:11     INFO - Console message: [JavaScript Error: "remote browser crashed while on about:blank
[task 2022-05-26T12:06:11.507Z] 12:06:11     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2022-05-26T12:06:11.507Z] 12:06:11     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2022-05-26T12:06:11.507Z] 12:06:11     INFO - 
[task 2022-05-26T12:06:11.507Z] 12:06:11     INFO - Urlbar panel opened
[task 2022-05-26T12:06:11.508Z] 12:06:11     INFO - Console message: [JavaScript Error: "remote browser crashed while on about:newtab
[task 2022-05-26T12:06:11.508Z] 12:06:11     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2022-05-26T12:06:11.508Z] 12:06:11     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2022-05-26T12:06:11.508Z] 12:06:11     INFO - 
[task 2022-05-26T12:06:11.509Z] 12:06:11     INFO - Console message: [JavaScript Error: "AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved"]
[task 2022-05-26T12:06:11.510Z] 12:06:11     INFO - Console message: [JavaScript Error: "AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved"]
[task 2022-05-26T12:06:11.511Z] 12:06:11     INFO - Console message: [JavaScript Error: "AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved"]
[task 2022-05-26T12:06:11.511Z] 12:06:11     INFO - Console message: [JavaScript Error: "AbortError: Actor 'Conduits' destroyed before query 'RunListener' was resolved"]
[task 2022-05-26T12:06:11.512Z] 12:06:11     INFO - Buffered messages logged at 12:06:11
[task 2022-05-26T12:06:11.512Z] 12:06:11     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Should get at least heuristic result + two search suggestions - 3 >= 3 - 
[task 2022-05-26T12:06:11.513Z] 12:06:11     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Should still have expected searches remaining - 3 >= 0 - 
[task 2022-05-26T12:06:11.513Z] 12:06:11     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Should still have expected searches remaining - 2 >= 0 - 
[task 2022-05-26T12:06:11.514Z] 12:06:11     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Should still have expected searches remaining - 1 >= 0 - 
[task 2022-05-26T12:06:11.515Z] 12:06:11     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | true == true - 
[task 2022-05-26T12:06:11.515Z] 12:06:11     INFO - Buffered messages finished
[task 2022-05-26T12:06:11.517Z] 12:06:11     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | A promise chain failed to handle a rejection: Actor 'Conduits' destroyed before query 'RunListener' was resolved - stack: (No stack available.)
[task 2022-05-26T12:06:11.517Z] 12:06:11     INFO - Rejection date: Thu May 26 2022 12:06:10 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-05-26T12:06:11.517Z] 12:06:11     INFO - Stack trace:
[task 2022-05-26T12:06:11.517Z] 12:06:11     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-05-26T12:06:11.517Z] 12:06:11     INFO - chrome://mochikit/content/browser-test.js:handleTask:1017
[task 2022-05-26T12:06:11.517Z] 12:06:11     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-05-26T12:06:11.519Z] 12:06:11     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | A promise chain failed to handle a rejection: Actor 'Conduits' destroyed before query 'RunListener' was resolved - stack: (No stack available.)
[task 2022-05-26T12:06:11.519Z] 12:06:11     INFO - Rejection date: Thu May 26 2022 12:06:10 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-05-26T12:06:11.519Z] 12:06:11     INFO - Stack trace:
[task 2022-05-26T12:06:11.519Z] 12:06:11     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-05-26T12:06:11.519Z] 12:06:11     INFO - chrome://mochikit/content/browser-test.js:handleTask:1017
[task 2022-05-26T12:06:11.520Z] 12:06:11     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-05-26T12:06:11.521Z] 12:06:11     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | A promise chain failed to handle a rejection: Actor 'Conduits' destroyed before query 'RunListener' was resolved - stack: (No stack available.)
[task 2022-05-26T12:06:11.521Z] 12:06:11     INFO - Rejection date: Thu May 26 2022 12:06:10 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-05-26T12:06:11.521Z] 12:06:11     INFO - Stack trace:
[task 2022-05-26T12:06:11.521Z] 12:06:11     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-05-26T12:06:11.521Z] 12:06:11     INFO - chrome://mochikit/content/browser-test.js:handleTask:1017
[task 2022-05-26T12:06:11.522Z] 12:06:11     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-05-26T12:06:11.523Z] 12:06:11     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | A promise chain failed to handle a rejection: Actor 'Conduits' destroyed before query 'RunListener' was resolved - stack: (No stack available.)
[task 2022-05-26T12:06:11.523Z] 12:06:11     INFO - Rejection date: Thu May 26 2022 12:06:10 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-05-26T12:06:11.523Z] 12:06:11     INFO - Stack trace:
[task 2022-05-26T12:06:11.523Z] 12:06:11     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-05-26T12:06:11.523Z] 12:06:11     INFO - chrome://mochikit/content/browser-test.js:handleTask:1017
[task 2022-05-26T12:06:11.524Z] 12:06:11     INFO - Leaving test bound searchSuggestions
[task 2022-05-26T12:06:11.524Z] 12:06:11     INFO - GECKO(8308) | MEMORY STAT | vsize 19422781MB | vsizeMaxContiguous 65091360MB | residentFast 1930MB
[task 2022-05-26T12:06:11.525Z] 12:06:11     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | took 1150ms
[task 2022-05-26T12:06:11.525Z] 12:06:11     INFO - checking window state
[task 2022-05-26T12:06:11.525Z] 12:06:11     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js
```