Bug: Intermittent browser/components/preferences/tests/browser_subdialogs.js | A promise chain failed to handle a rejection: [fluent] Missing message in locale en-US: pane-general-title - stack: (No stack available.)
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-04-13 22:03:36+00:00
Resolved: 2022-05-10 17:03:19+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=374401268&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/K2a48tm_R0a0svRurp_bGA/runs/0/artifacts/public/logs/live_backing.log

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```
[task 2022-04-13T21:18:27.908Z] 21:18:27     INFO - TEST-START | browser/components/preferences/tests/browser_subdialogs.js
[task 2022-04-13T21:18:27.917Z] 21:18:27     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:27.918Z] 21:18:27     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:27.962Z] 21:18:27     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:27.962Z] 21:18:27     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:27.975Z] 21:18:27     INFO - GECKO(3272) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2022-04-13T21:18:27.977Z] 21:18:27     INFO - GECKO(3272) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2022-04-13T21:18:27.977Z] 21:18:27     INFO - GECKO(3272) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2022-04-13T21:18:27.978Z] 21:18:27     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:27.978Z] 21:18:27     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.013Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.013Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.069Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.069Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.109Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.109Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.157Z] 21:18:28     INFO - GECKO(3272) | JavaScript error: , line 0: InvalidStateError: [fluent] Missing message in locale en-US: pane-general-title
[task 2022-04-13T21:18:28.169Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.169Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.195Z] 21:18:28     INFO - GECKO(3272) | JavaScript error: , line 0: InvalidStateError: [fluent] Missing message in locale en-US: pane-general-title
[task 2022-04-13T21:18:28.202Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.203Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.414Z] 21:18:28     INFO - TEST-INFO | started process screenshot
[task 2022-04-13T21:18:28.477Z] 21:18:28     INFO - TEST-INFO | screenshot: exit 0
[task 2022-04-13T21:18:28.477Z] 21:18:28     INFO - Buffered messages logged at 21:18:27
[task 2022-04-13T21:18:28.477Z] 21:18:28     INFO - Entering test bound test_initialize
[task 2022-04-13T21:18:28.478Z] 21:18:28     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2022-04-13T21:18:28.478Z] 21:18:28     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2022-04-13T21:18:28.478Z] 21:18:28     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2022-04-13T21:18:28.478Z] 21:18:28     INFO - Buffered messages logged at 21:18:28
[task 2022-04-13T21:18:28.479Z] 21:18:28     INFO - Console message: [JavaScript Error: "Error initializing preference category paneGeneral: InvalidStateError: [fluent] Missing message in locale en-US: pane-general-title" {file: "chrome://browser/content/preferences/preferences.js" line: 366}]
[task 2022-04-13T21:18:28.479Z] 21:18:28     INFO - gotoPref@chrome://browser/content/preferences/preferences.js:366:7
[task 2022-04-13T21:18:28.479Z] 21:18:28     INFO - 
[task 2022-04-13T21:18:28.480Z] 21:18:28     INFO - Console message: [JavaScript Error: "InvalidStateError: [fluent] Missing message in locale en-US: pane-general-title"]
[task 2022-04-13T21:18:28.480Z] 21:18:28     INFO - Console message: [JavaScript Error: "InvalidStateError: [fluent] Missing message in locale en-US: pane-general-title"]
[task 2022-04-13T21:18:28.481Z] 21:18:28     INFO - Buffered messages finished
[task 2022-04-13T21:18:28.482Z] 21:18:28     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_subdialogs.js | A promise chain failed to handle a rejection: [fluent] Missing message in locale en-US: pane-general-title - stack: (No stack available.)
[task 2022-04-13T21:18:28.482Z] 21:18:28     INFO - Rejection date: Wed Apr 13 2022 21:18:28 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-04-13T21:18:28.482Z] 21:18:28     INFO - Stack trace:
[task 2022-04-13T21:18:28.482Z] 21:18:28     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-04-13T21:18:28.482Z] 21:18:28     INFO - chrome://mochikit/content/browser-test.js:handleTask:1017
[task 2022-04-13T21:18:28.483Z] 21:18:28     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-04-13T21:18:28.484Z] 21:18:28     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_subdialogs.js | A promise chain failed to handle a rejection: [fluent] Missing message in locale en-US: pane-general-title - stack: (No stack available.)
[task 2022-04-13T21:18:28.484Z] 21:18:28     INFO - Rejection date: Wed Apr 13 2022 21:18:28 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-04-13T21:18:28.484Z] 21:18:28     INFO - Stack trace:
[task 2022-04-13T21:18:28.484Z] 21:18:28     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-04-13T21:18:28.484Z] 21:18:28     INFO - chrome://mochikit/content/browser-test.js:handleTask:1017
[task 2022-04-13T21:18:28.485Z] 21:18:28     INFO - Leaving test bound test_initialize
[task 2022-04-13T21:18:28.486Z] 21:18:28     INFO - Entering test bound check_titlebar_focus_returnval_titlechanges_accepting
[task 2022-04-13T21:18:28.486Z] 21:18:28     INFO - waiting for subdialog DOMFrameContentLoaded
[task 2022-04-13T21:18:28.487Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.487Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.488Z] 21:18:28     INFO - waiting for subdialog load
[task 2022-04-13T21:18:28.489Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.489Z] 21:18:28     INFO - GECKO(3272) | [GFX1-]: wr_renderer_render: OutOfMemory
[task 2022-04-13T21:18:28.533Z] 21:18:28     INFO - subdialog window is loaded
[task 2022-04-13T21:18:28.534Z] 21:18:28     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | The dialog should be non-null - true == true - 
[task 2022-04-13T21:18:28.535Z] 21:18:28     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | Subdialog URL should not be about:blank - "chrome://mochitests/content/browser/browser/components/preferences/tests/subdialog.xhtml" != "about:blank" - 
[task 2022-04-13T21:18:28.537Z] 21:18:28     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | Overlay should be visible - "visible" == "visible" - 
```