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In Xcode, say you write an app for the iphone and it has a runtime
error in it. What I’ve been seeing is that it just closes out the
program in the simulator but doesn’t really hilight or give me any
feedback as to what line caused the crash… am I missing something??
Note: I don’t consider the console to be very effective since
it just spits out an error, but I still need to find where in
the heck that bug is stemming from in the code.
In the console, above the stack trace, it should say something like “[ClassName selectorName] unrecognized selector sent to instance”.
Make sure you really meant to send that selector to that class. If you post what it is, we might be able to help more.
To access GDB, enable breakpoints, add one to your code by clicking in the line number gutter, press build and debug and finally open the debugger (CMD+Shift+Y).