Mac OS X, Java, and Cocoa Debugging
Mac OS X, Java, and Cocoa Debugging
- Subject: Mac OS X, Java, and Cocoa Debugging
- From: Jeff Zacharias <email@hidden>
- Date: Sat, 25 May 2002 21:17:54 -0400
When the Mac OS X public beta came out I ported a 100% Java application
to Mac OS X. It was an easy port and worked well. I then rewrote the
application to use Cocoa for the user interface instead of AWT. This
wasn't too difficult to do. The application queries a database for
information and displays it. The application worked fine but over the
past year with the Mac OS X updates and the Developer Tools updates the
application no longer works. When I run it I can do the first query
fine but the second or sometimes the third crashes the application with
a segmentation fault. The code I wrote is still 100% Java. When I try
to debug I cannot find what is causing the problem. It is crashing
inside the Cocoa libraries. I can locate a call to a Cocoa library
when it crashes. If I comment out that call it will crash at the next
call to a Cocoa library. I don't know how to debug a problem inside a
Cocoa library and can't find any reference on how to do this. Can
anybody recommend an approach to get my application running again ? Are
there any debug tools or techniques I can use ?
Thanks,
Jeff Z
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