User-agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.5.1) Gecko/20031120
Greg Parker wrote:
Most likely, the bad object and allocation backtrace will be from
Apple's
AWT/Swing code. In that case, you should file a bug report with
Apple, and
include the NSZombie log, any crash logs, and the applet itself or some
test case derived from it.
This was very helpful, thanks Greg.
$ appletviewer http://europa.mochasoft.ca/client/login.html
malloc[28019]: recording stacks using standard recorder
2005-03-31 20:28:48.749 appletviewer[28019] *** *** Selector 'finish'
sent to dealloced instance 0x97c8f60 of class NSViewAWTContext.
Break at '-[_NSZombie methodSignatureForSelector:]' to debug.
2005-03-31 20:28:48.749 appletviewer[28019] *** *** Selector 'finish'
sent to dealloced instance 0x97c8f60 of class NSViewAWTContext.
Break at '-[_NSZombie methodSignatureForSelector:]' to debug.
2005-03-31 20:28:48.750 appletviewer[28019] An uncaught exception was raised
2005-03-31 20:28:48.750 appletviewer[28019] *** Selector 'finish' sent
to dealloced instance 0x97c8f60 of class NSViewAWTContext.
Break at '-[_NSZombie methodSignatureForSelector:]' to debug.
2005-03-31 20:28:48.750 appletviewer[28019] *** Uncaught exception:
<NSGenericException> *** Selector 'finish' sent to dealloced instance
0x97c8f60 of class NSViewAWTContext.
Break at '-[_NSZombie methodSignatureForSelector:]' to debug.
Trace/BPT trap
I failed to realize that I had to leave the process running to get the
backtraces (I interpreted "recording" to mean writing a file) but I'll
get it right next time. Does apple have source to the VM available so
that I can determine the fix or am I out of luck once I've blamed it on
the awt implementation? Alternately is there documentation anywhere
which will tell me which awt objects have "NSViewAWTContexts" associated
so that I have a fighting chance of fiddling with the portion of the
code related to the crash? (Although it seems overwhelmingly likely to
be the drawing code, as that is almost all that's happening on the screen.)
alex
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