1188688 - Frequently triggers "TypeError: this._searchSuggestionController is null"

Status: VERIFIED FIXED

(Firefox :: Address Bar, defect, P2)

Description

[Xidorn Quan [:xidorn] UTC+11]

The complete error info is:
A coding exception was thrown in a Promise resolution callback.
See https://developer.mozilla.org/Mozilla/JavaScript_code_modules/Promise.jsm/Promise

Full message: TypeError: this._searchSuggestionController is null
Full stack: _matchSearchSuggestions/promise<@file:///c:/mozilla-source/central/obj-firefox/dist/bin/components/UnifiedComplete.js:937:1
Handler.prototype.process@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:934:23
this.PromiseWalker.walkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:813:7
Promise*this.PromiseWalker.scheduleWalkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:744:11
this.PromiseWalker.schedulePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:776:7
this.PromiseWalker.completePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:711:7
this.SearchSuggestionController.prototype._fetchRemote/<@resource://gre/modules/SearchSuggestionController.jsm:250:54
this.SearchSuggestionController.prototype.stop@resource://gre/modules/SearchSuggestionController.jsm:172:7
stop@resource://gre/modules/PlacesSearchAutocompleteProvider.jsm:181:5
stop@file:///c:/mozilla-source/central/obj-firefox/dist/bin/components/UnifiedComplete.js:775:7
UnifiedComplete.prototype.stopSearch@file:///c:/mozilla-source/central/obj-firefox/dist/bin/components/UnifiedComplete.js:1776:7
handleEnter@chrome://browser/content/urlbarBindings.xml:890:1
handleKeyPress@chrome://global/content/bindings/autocomplete.xml:479:24
onKeyPress@chrome://browser/content/urlbarBindings.xml:199:18
onxblkeypress@chrome://global/content/bindings/autocomplete.xml:582:8


This error frequently appears in browser console as well as the command line output.

Comment 2

[Marco Bonardo [:mak] (Away Apr 25 - May 5)]

Attachment: patch v1

Comment 3

[Pulsebot]

https://hg.mozilla.org/integration/fx-team/rev/c2b099fa12ee

Comment 4

[Carsten Book [:Tomcat]]

https://hg.mozilla.org/mozilla-central/rev/c2b099fa12ee

Comment 5

[Andrei Vaida [:avaida]]

Reproduced the bug on Nightly 42.0a1 (2015-08-03).

I'm no longer seeing these errors as of Nightly 42.0a1 (2015-08-05). Tested with Windows 10 x64 (10240), Ubuntu 14.04 (x86) and Mac OS X 10.10.4.