Bug: Intermittent browser/components/aboutlogins/tests/browser/browser_openPreferences.js | [JavaScript Error: "[Exception... "Component returned failure code: 0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH) [nsIXPCComponents_Utils.readUTF8URI]"  nsresul
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2020-04-24 19:32:17+00:00
Resolved: 2022-08-29 06:25:46+00:00

**Filed by:** ccoroiu [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=299287511&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/JYTMxx9-TeSTkv1smzJG6g/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-04-24T17:06:44.701Z] 17:06:44     INFO - TEST-START | browser/components/aboutlogins/tests/browser/browser_openPreferences.js
[task 2020-04-24T17:06:46.006Z] 17:06:46     INFO - TEST-INFO | started process screentopng
[task 2020-04-24T17:06:46.560Z] 17:06:46     INFO - TEST-INFO | screentopng: exit 0
[task 2020-04-24T17:06:46.560Z] 17:06:46     INFO - Buffered messages logged at 17:06:44
[task 2020-04-24T17:06:46.561Z] 17:06:46     INFO - Entering test bound setup
[task 2020-04-24T17:06:46.561Z] 17:06:46     INFO - Leaving test bound setup
[task 2020-04-24T17:06:46.565Z] 17:06:46     INFO - Entering test bound setup
[task 2020-04-24T17:06:46.565Z] 17:06:46     INFO - Buffered messages logged at 17:06:45
[task 2020-04-24T17:06:46.565Z] 17:06:46     INFO - Leaving test bound setup
[task 2020-04-24T17:06:46.565Z] 17:06:46     INFO - Entering test bound test_open_preferences
[task 2020-04-24T17:06:46.565Z] 17:06:46     INFO - waiting for new tab to get opened
[task 2020-04-24T17:06:46.569Z] 17:06:46     INFO - Console message: [JavaScript Error: "[Exception... "Component returned failure code: 0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH) [nsIXPCComponents_Utils.readUTF8URI]"  nsresult: "0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH)"  location: "JS frame :: resource://gre/modules/L10nRegistry.jsm :: L10nRegistry.loadSync :: line 658"  data: no]"]
[task 2020-04-24T17:06:46.569Z] 17:06:46     INFO - L10nRegistry.loadSync@resource://gre/modules/L10nRegistry.jsm:658:19
[task 2020-04-24T17:06:46.569Z] 17:06:46     INFO - fetchFile@resource://gre/modules/L10nRegistry.jsm:573:31
[task 2020-04-24T17:06:46.569Z] 17:06:46     INFO - generateResourceSetSync/<@resource://gre/modules/L10nRegistry.jsm:478:19
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - generateResourceSetSync@resource://gre/modules/L10nRegistry.jsm:473:22
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - generateResourceSetsForLocaleSync@resource://gre/modules/L10nRegistry.jsm:415:44
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - generateBundlesSync@resource://gre/modules/L10nRegistry.jsm:177:7
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - touchNext@resource://gre/modules/Localization.jsm:167:37
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - onChange@resource://gre/modules/Localization.jsm:510:20
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init@resource://gre/modules/Localization.jsm:237:10
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - getLanguageDisplayNames@resource://gre/modules/mozIntl.jsm:705:19
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - getLocaleDisplayNames/<@resource://gre/modules/mozIntl.jsm:783:14
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - getLocaleDisplayNames@resource://gre/modules/mozIntl.jsm:762:24
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - displayUseSystemLocale@chrome://browser/content/preferences/main.js:1383:43
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init@chrome://browser/content/preferences/main.js:364:10
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init@chrome://browser/content/preferences/preferences.js:69:22
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - async*initializeCategories@chrome://browser/content/preferences/findInPage.js:93:26
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init/<@chrome://browser/content/preferences/findInPage.js:49:45
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - requestIdleCallback handler*init@chrome://browser/content/preferences/findInPage.js:49:14
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init_all@chrome://browser/content/preferences/preferences.js:94:22
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - EventListener.handleEvent*@chrome://browser/content/preferences/preferences.js:75:10
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - 
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - Console message: [JavaScript Error: "[Exception... "Component returned failure code: 0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH) [nsIXPCComponents_Utils.readUTF8URI]"  nsresult: "0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH)"  location: "JS frame :: resource://gre/modules/L10nRegistry.jsm :: L10nRegistry.loadSync :: line 658"  data: no]"]
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - L10nRegistry.loadSync@resource://gre/modules/L10nRegistry.jsm:658:19
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - fetchFile@resource://gre/modules/L10nRegistry.jsm:573:31
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - generateResourceSetSync/<@resource://gre/modules/L10nRegistry.jsm:478:19
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - generateResourceSetSync@resource://gre/modules/L10nRegistry.jsm:473:22
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - generateResourceSetsForLocaleSync@resource://gre/modules/L10nRegistry.jsm:415:44
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - generateBundlesSync@resource://gre/modules/L10nRegistry.jsm:177:7
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - touchNext@resource://gre/modules/Localization.jsm:167:37
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - onChange@resource://gre/modules/Localization.jsm:510:20
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init@resource://gre/modules/Localization.jsm:237:10
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - getRegionDisplayNames@resource://gre/modules/mozIntl.jsm:732:19
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - getLocaleDisplayNames/<@resource://gre/modules/mozIntl.jsm:792:16
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - getLocaleDisplayNames@resource://gre/modules/mozIntl.jsm:762:24
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - displayUseSystemLocale@chrome://browser/content/preferences/main.js:1383:43
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init@chrome://browser/content/preferences/main.js:364:10
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init@chrome://browser/content/preferences/preferences.js:69:22
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - async*initializeCategories@chrome://browser/content/preferences/findInPage.js:93:26
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init/<@chrome://browser/content/preferences/findInPage.js:49:45
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - requestIdleCallback handler*init@chrome://browser/content/preferences/findInPage.js:49:14
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - init_all@chrome://browser/content/preferences/preferences.js:94:22
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - EventListener.handleEvent*@chrome://browser/content/preferences/preferences.js:75:10
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - 
[task 2020-04-24T17:06:46.570Z] 17:06:46     INFO - Buffered messages finished
[task 2020-04-24T17:06:46.577Z] 17:06:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutlogins/tests/browser/browser_openPreferences.js | [JavaScript Error: "[Exception... "Component returned failure code: 0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH) [nsIXPCComponents_Utils.readUTF8URI]"  nsresult: "0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH)"  location: "JS frame :: resource://gre/modules/L10nRegistry.jsm :: L10nRegistry.loadSync :: line 658"  data: no]"]
[task 2020-04-24T17:06:46.577Z] 17:06:46     INFO - L10nRegistry.loadSync@resource://gre/modules/L10nRegistry.jsm:658:19
[task 2020-04-24T17:06:46.577Z] 17:06:46     INFO - fetchFile@resource://gre/modules/L10nRegistry.jsm:573:31
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - generateResourceSetSync/<@resource://gre/modules/L10nRegistry.jsm:478:19
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - generateResourceSetSync@resource://gre/modules/L10nRegistry.jsm:473:22
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - generateResourceSetsForLocaleSync@resource://gre/modules/L10nRegistry.jsm:415:44
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - generateBundlesSync@resource://gre/modules/L10nRegistry.jsm:177:7
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - touchNext@resource://gre/modules/Localization.jsm:167:37
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - onChange@resource://gre/modules/Localization.jsm:510:20
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - init@resource://gre/modules/Localization.jsm:237:10
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - getLanguageDisplayNames@resource://gre/modules/mozIntl.jsm:705:19
[task 2020-04-24T17:06:46.578Z] 17:06:46     INFO - getLocaleDisplayNames/<@resource://gre/modules/mozIntl.jsm:783:14
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - getLocaleDisplayNames@resource://gre/modules/mozIntl.jsm:762:24
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - displayUseSystemLocale@chrome://browser/content/preferences/main.js:1383:43
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - init@chrome://browser/content/preferences/main.js:364:10
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - init@chrome://browser/content/preferences/preferences.js:69:22
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - async*initializeCategories@chrome://browser/content/preferences/findInPage.js:93:26
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - init/<@chrome://browser/content/preferences/findInPage.js:49:45
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - requestIdleCallback handler*init@chrome://browser/content/preferences/findInPage.js:49:14
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - init_all@chrome://browser/content/preferences/preferences.js:94:22
[task 2020-04-24T17:06:46.579Z] 17:06:46     INFO - EventListener.handleEvent*@chrome://browser/content/preferences/preferences.js:75:10
[task 2020-04-24T17:06:46.580Z] 17:06:46     INFO -  - 
[task 2020-04-24T17:06:46.580Z] 17:06:46     INFO - Stack trace:
[task 2020-04-24T17:06:46.580Z] 17:06:46     INFO - chrome://mochikit/content/browser-test.js:test_ok:1269
[task 2020-04-24T17:06:46.580Z] 17:06:46     INFO - chrome://mochitests/content/browser/browser/components/aboutlogins/tests/browser/head.js:onConsoleMessage:144
[task 2020-04-24T17:06:46.580Z] 17:06:46     INFO - resource://specialpowers/SpecialPowersChild.jsm:observe/<:132
[task 2020-04-24T17:06:46.580Z] 17:06:46     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-04-24T17:06:46.581Z] 17:06:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutlogins/tests/browser/browser_openPreferences.js | [JavaScript Error: "[Exception... "Component returned failure code: 0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH) [nsIXPCComponents_Utils.readUTF8URI]"  nsresult: "0x80520001 (NS_ERROR_FILE_UNRECOGNIZED_PATH)"  location: "JS frame :: resource://gre/modules/L10nRegistry.jsm :: L10nRegistry.loadSync :: line 658"  data: no]"]
[task 2020-04-24T17:06:46.581Z] 17:06:46     INFO - L10nRegistry.loadSync@resource://gre/modules/L10nRegistry.jsm:658:19
[task 2020-04-24T17:06:46.581Z] 17:06:46     INFO - fetchFile@resource://gre/modules/L10nRegistry.jsm:573:31
[task 2020-04-24T17:06:46.581Z] 17:06:46     INFO - generateResourceSetSync/<@resource://gre/modules/L10nRegistry.jsm:478:19
[task 2020-04-24T17:06:46.582Z] 17:06:46     INFO - generateResourceSetSync@resource://gre/modules/L10nRegistry.jsm:473:22
[task 2020-04-24T17:06:46.582Z] 17:06:46     INFO - generateResourceSetsForLocaleSync@resource://gre/modules/L10nRegistry.jsm:415:44
[task 2020-04-24T17:06:46.582Z] 17:06:46     INFO - generateBundlesSync@resource://gre/modules/L10nRegistry.jsm:177:7
[task 2020-04-24T17:06:46.582Z] 17:06:46     INFO - touchNext@resource://gre/modules/Localization.jsm:167:37
[task 2020-04-24T17:06:46.583Z] 17:06:46     INFO - onChange@resource://gre/modules/Localization.jsm:510:20
[task 2020-04-24T17:06:46.583Z] 17:06:46     INFO - init@resource://gre/modules/Localization.jsm:237:10
[task 2020-04-24T17:06:46.583Z] 17:06:46     INFO - getRegionDisplayNames@resource://gre/modules/mozIntl.jsm:732:19
[task 2020-04-24T17:06:46.584Z] 17:06:46     INFO - getLocaleDisplayNames/<@resource://gre/modules/mozIntl.jsm:792:16
[task 2020-04-24T17:06:46.584Z] 17:06:46     INFO - getLocaleDisplayNames@resource://gre/modules/mozIntl.jsm:762:24
[task 2020-04-24T17:06:46.584Z] 17:06:46     INFO - displayUseSystemLocale@chrome://browser/content/preferences/main.js:1383:43
[task 2020-04-24T17:06:46.584Z] 17:06:46     INFO - init@chrome://browser/content/preferences/main.js:364:10
[task 2020-04-24T17:06:46.585Z] 17:06:46     INFO - init@chrome://browser/content/preferences/preferences.js:69:22
[task 2020-04-24T17:06:46.585Z] 17:06:46     INFO - async*initializeCategories@chrome://browser/content/preferences/findInPage.js:93:26
[task 2020-04-24T17:06:46.585Z] 17:06:46     INFO - init/<@chrome://browser/content/preferences/findInPage.js:49:45
[task 2020-04-24T17:06:46.586Z] 17:06:46     INFO - requestIdleCallback handler*init@chrome://browser/content/preferences/findInPage.js:49:14
[task 2020-04-24T17:06:46.586Z] 17:06:46     INFO - init_all@chrome://browser/content/preferences/preferences.js:94:22
[task 2020-04-24T17:06:46.586Z] 17:06:46     INFO - EventListener.handleEvent*@chrome://browser/content/preferences/preferences.js:75:10
[task 2020-04-24T17:06:46.586Z] 17:06:46     INFO -  - 
[task 2020-04-24T17:06:46.587Z] 17:06:46     INFO - Stack trace:
[task 2020-04-24T17:06:46.587Z] 17:06:46     INFO - chrome://mochikit/content/browser-test.js:test_ok:1269
[task 2020-04-24T17:06:46.587Z] 17:06:46     INFO - chrome://mochitests/content/browser/browser/components/aboutlogins/tests/browser/head.js:onConsoleMessage:144
[task 2020-04-24T17:06:46.588Z] 17:06:46     INFO - resource://specialpowers/SpecialPowersChild.jsm:observe/<:132