Strange error and blank windows when following xhr call stacks in browser console

Moderator: trava90

Forum rules
This board is for technical/general usage questions and troubleshooting for the Pale Moon browser only.
Technical issues and questions not related to the Pale Moon browser should be posted in other boards!
Please keep off-topic and general discussion out of this board, thank you!

1 post • Page 1 of 1

thosrtanner: Lunatic; Posts: 429; Joined: 2014-05-10, 18:19; Location: UK

Strange error and blank windows when following xhr call stacks in browser console

Unread post by thosrtanner » 2024-09-11, 20:13

I've been debugging a problem in an extension recently, and I've found a problem with something I think used to work.

If you go to the browser window, when you do console.log, you get the file and line number at the right hand of the window, and you can click on it and it pops up a window showing the code with the line that wrote the log message highlighted.

So far so good.

If you look at an XHR request, it has 3 tabs you can click - Headers, Response and Call Stack. Under call stack it gives function names and the file and line number. If you click on one of those, you get a blank window, and down at the bottom of the log, you get this:

Code: Select all

Error: Must supply a URL when opening view source.  
ViewSourceBrowser.jsm:185:13
	loadViewSource resource://gre/modules/ViewSourceBrowser.jsm:185:13
	onXULLoaded chrome://global/content/viewSource.js:316:12
	handleEvent chrome://global/content/viewSource.js:173:14

You can click on the lines in that call stack and see the code in question!

I think this used to work but it's been a while since I poked around looking at xhr call stacks.

Operating system: Windows 11
Browser version: 33.3.0
32-bit or 64-bit browser?: 64
Problem URL: (browser console)
Browser theme (if not default):
Installed add-ons:
Classic Password Editor
infoRSS reloaded
Restart Browser
Installed plugins: (about:plugins):
Adobe PDF: C:\Program Files\Adobe\Acrobat DC\Acrobat\Air\nppdf32.dll 24.2.20965.0
Microsoft office: C:\Program Files\Microsoft Office\root\Office16\NPSPWRAP.DLL 16.0.17425.20008
If possible, please include the output of help->troubleshooting information (as text):

1 post • Page 1 of 1

Return to “Browser Support”