1070425 - Website automatically redirects to a blank page

Status: RESOLVED INCOMPLETE

(Core :: Layout, defect)

Description

[muntted]

User Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0
Build ID: 20140919004007

Steps to reproduce:

1. https://livechat.boost.com.au/BOOST:Activate


Actual results:

The page loads with a form for your details but then it automatically redirects to a blank page and 'waits' for livechat.boost.com.au


Expected results:

In Chromium the page loads, you can put in your details and then start the chat.

Comment 1

[Gabriela [:gaby2300]]

I can reproduce this using Windows 7, the latest Aurora build (Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0) and the latest Nightly build ( Mozilla/5.0 (Windows NT 6.1; WOW64; rv:35.0) Gecko/20100101 Firefox/35.0)

The site doesn't even load.

Comment 2

[Gabriela [:gaby2300]]

I can reproduce this using Windows 7 64 bit and the latest Beta.

The site doesn't load.

Comment 3

[Boris Zbarsky [:bzbarsky]]

Are you using an ad blocker, perhaps?

I can reproduce this when using an ad blocker but not in a clean profile.

Comment 4

[Gabriela [:gaby2300]]

No ad blocker here and reproducible with a clean profile.

Comment 5

[Boris Zbarsky [:bzbarsky]]

OK.  I definitely can't reproduce that.  A Firefox 34 beta build with a clean profile loads the page just fine for me (at least on Mac)...

I also tried Firefox 34 beta on Windows 8.1 via BrowserStack, and that works fine too.

Comment 6

[Petruta Horea [:phorea], Desktop Test Engineering]

Reproduced using Firefox Nightly 36.0a1 2014-11-23 under Win 7 64-bit with both e10s and non e10s windows. I used an old profile where only Firebug 2.6 add-on was installed. The page is not loaded, the web console error is:
ReferenceError: doDataliciousPageBottom is not defined

Same as for :bz, the page loads fine in a clean profile.

Comment 7

[Boris Zbarsky [:bzbarsky]]

Can you figure out what it is that's causing the problem for you?  Does instlling Firebug 2.6 in the clean profile make it appear?

For me, once again, it was tracking protection.  Once I turned that off in my "non-clean" profile the problem disappeared there.

Comment 8

[Petruta Horea [:phorea], Desktop Test Engineering]

(In reply to Boris Zbarsky [:bz] from comment #7)
> Can you figure out what it is that's causing the problem for you?  Does
> instlling Firebug 2.6 in the clean profile make it appear?

Installing Firebug doesn't seem to be the cause.

> For me, once again, it was tracking protection.  Once I turned that off in
> my "non-clean" profile the problem disappeared there.

I could reproduce with privacy.trackingprotection.enabled set to false.

Comment 9

[Boris Zbarsky [:bzbarsky]]

OK, that brings us back to comment 7: Can you figure out what the difference is between the profile where you can reproduce and the profile where you can't?

Comment 10

[Petruta Horea [:phorea], Desktop Test Engineering]

There were no significant differences between the profiles.
Investigating further, I took another profile where I installed and then removed Firebug 2.6. Reloading the page with Ctrl+R reproduced the issue.

I wanted to do that to a clean profile to clarify the steps, but the issue reproduced there right after I opened Firefox and loaded the page. (Same as Gabriela in comment 4)
This time only a JS warning in the web console: An unbalanced tree was written using document.write() causing data from the network to be reparsed. For more information https://developer.mozilla.org/en/Optimizing_Your_Pages_for_Speculative_Parsing

Comment 11

[Boris Zbarsky [:bzbarsky]]

OK.  Given that I have yet to reproduce this without tracking protection, can you actually give me reliably repeatable steps to reproduce?

Comment 12

[Petruta Horea [:phorea], Desktop Test Engineering]

No, sorry, I couldn't find anything reliable.

Steps from last time when I reproduced it:
1. Load the page
2. Go to add-ons manager
3. Search Firebug and install it
4. Reload the page
5. Close Firefox
6. Re-open and restore session - the page loaded
7. Removed Firebug and reload the page
8. Close and re-open Firefox several times
9. After some time I re-opened Firefox and the page didn't load

Comment 13

[Boris Zbarsky [:bzbarsky]]

OK.  Well, what this bug needs is something resembling a way to reproduce, since it's kinda hard to debug otherwise...

Comment 14

[Sylvestre Ledru [:Sylvestre]]

Closing as no STR for 4 years.