osx - How Do I Find a Bug That Generates No Errors in Xcode? (Lots of details inside) -


i know extremely general question... i'm self taught programmer new objc , cocoa.

here's specific issue i'm running into.

i've written osx app works great 99% of time , part ready ship. have several beta testers using love it.

unfortunately, every once in great blue moon totally locks up. doesn't throw errors in debug console. locks up.

i've gotten point can replicate problem through series of steps. can occur other ways too, makes die 100% of time.

basically app connects itunes using apple scripting bridge. uses application services framework create full screen display.

there's 1 song in particular locks app intermittently. when turn on screen flow though, breaks 100% of time when reaches song.

also, if set apps build target less 10.7 issue becomes lot more prominent.

it seems memory management issue, i'm not sure how fix it. when use profiler instruments doesn't tell me there's zombies, leaks, etc...

i apologize not being able more specific, best i've got. begin try , fix this?


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