[Laszlo-dev] ack! completely blank screen, compiling to swf9 with debug=true

[Henry Minsky]

On Thu, Mar 19, 2009 at 9:35 AM, Sarah Allen <sarah at ultrasaurus.com> wrote:
> hmmm... I found the bug with the Debug Flash Player installed.
> Note, when the bug was there (trying to call a method on a null object),
> when I set
> compiler.swf9.catcherrors=true
> I got this (unhelpful) compiler error
> org.openlaszlo.sc.CompilerError: line unknown: Error: Return value must be
> undefined, in line: }}
> line unknown: Error: Return value must be undefined, in line: }}
> Not sure if that is worth isolating and reporting as a bug, but it was
> pretty frustrating.

I think that's a known bug, that Don has a fix for, or is fixing, or
at least knows about :-)


 (Debugging was further complicated by having had trunk
> at some point when the debugger had errors in swf9 which was fixed by 'svn
> up' but lost me for a bit)
> Thanks for all of your help, Henry & Raju!
> Sarah
> On Mar 18, 2009, at 2:46 PM, Henry Minsky wrote:
>
> Oh you're right, I was thinking of running without debugging enabled
> for some reason.
>
>
> On Wed, Mar 18, 2009 at 5:34 PM, Max Carlson <max at openlaszlo.org> wrote:
>
> Hmm - I thought catcherrors caused the debugger to show errors in a (perhaps
>
> more) useful way - with lzx line numbers...  Is this incorrect?
>
> Henry Minsky wrote:
>
> <snip/>
>
> You may have better luck if you uncomment this line in
>
> WEB-INF/lps/config/lps.properties:
>
> compiler.swf9.catcherrors=true
>
> I would be reluctant to set the catcherrors=true. That was put in to
>
> help people who want the app to proceed
>
> in sprite of broken code, like swf8 does. But it will mostly serve to
>
> mask the real source of errors, and the
>
> flash debug player will give you useful runtime errors if you let it.
>
> <snip/>
>
> --
>
> Regards,
>
> Max Carlson
>
> OpenLaszlo.org
>
>
>
>
> --
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com
>
>



-- 
Henry Minsky
Software Architect
hminsky at laszlosystems.com