637808 - Focusing on a text field element may give you a console error : "focusedElement is null" in common-ui.js line 738

Status: VERIFIED FIXED

(Firefox for Android Graveyard :: General, defect)

Description

[Naoki Hirata :nhirata (please use needinfo instead of cc)]

Mozilla/5.0 (Android; Linux armv71; rv2.0b13pre) Gecko/20110301 Firefox/4.0b13pre Fennec/4.0b6pre
Device: Droid 2 
OS: Android 2.2

1. go to http://people.mozilla.com/~nhirata/html_tp/formsninput.html
2. click in the first text field and type something
3. click on the second text field
4. go to the error console

Expected: no errors
Actual:
Error: focusedElement is null
Source File: chrome://browser/content/common-ui.js Line: 738

Note:
1. can also receive this error message on Amazon search field and Google search field.

Comment 1

[Mark Finkle (:mfinkle) (use needinfo?)]

Let's look at this one

Comment 2

[Mark Finkle (:mfinkle) (use needinfo?)]

I am unable to reproduce on linux desktop and nexus one

Comment 3

[Mark Finkle (:mfinkle) (use needinfo?)]

Attachment: patch

I can add a simple null check for the code in question

Comment 4

[Vivien Nicolas (:vingtetun) (:21) - (NOT reading bugmails, needinfo? please)]

(In reply to comment #3)
> Created attachment 516149 [details] [diff] [review]
> patch
> 
> I can add a simple null check for the code in question

I'm unable to reproduce too but I imagine that a null check won't hurt.

Comment 5

[Mark Finkle (:mfinkle) (use needinfo?)]

pushed:
http://hg.mozilla.org/mobile-browser/rev/61d6d5dbabfe

Comment 6

[Naoki Hirata :nhirata (please use needinfo instead of cc)]

Mozilla/5.0 (Android; Linux armv71; rv2.0b13pre) Gecko/20110317 Firefox/4.0b13pre Fennec/4.0b6pre
Device: Droid 2 
OS: Android 2.2