All -
For several months now, I've noticed that periodically,
"Break on all errors" in the Console pane doesn't do anything for me. I
press the button, then encounter an error in my code, and the error is
printed to the console, but I don't get a breakpoint. This used to work
reliably, and now works only occasionally (and I can't figure out the
circumstances under which it does and doesn't work). Here's what did to try to figure this out so far:
- I removed
Firebug
- I deleted every single config option in about:config that
contains "firebug" in its name, restarted Firebug, and made sure they were gone
- I searched my Firefox profile for every single reference to Firebug in the various config files and removed anything suspicious by hand
- I reinstalled Firebug
- I went to about:config and checked to ensure that all the config options are set to their defaults. Possibly notable: the config option extensions.firebug.breakOnErrors is default and false; there are no config options that start extensions.firebug.DBG_BREAK...
- I went to a window that I know generates a Javascript error, and opened Firebug
- I returned to about:config, and observed that the config option extensions.firebug.DBG_BREAKONERROR is now present, and marked "user set" and "false"
- I enabled the Console and Script panels in Firebug
- I checked about:config again; neither of the options noted above has changed
- I enabled "Break on all errors" in the Console panel. Neither of the config options changes.
- I forced a Javascript error in my window; the error is printed to the console but no breakpoint is hit.
- I toggle both the config options by hand, repeat the procedure, get a new error in the console but no breakpoint.
- I return both configs to their default. DBG_BREAKONERROR disappears on reload of about:config. I return to my errorful window, enable "Break on all errors" again, same behavior.
Something's happening that I can't find, because after the error is printed, the "break on all errors" button turns itself off.
I'm on MacOS 10.10, if it makes a difference.
Help!