On 22 Feb 2012, at 9:31 PM, Naresh Kongara wrote:

> I'm creating the alert with class method in NSAlert and running it with 
> runModal.
> 
> NSAlert *alert =[NSAlert 
> alertWithMessageText:defaultButton:alternateButton:otherButton:informativeTextWithFormat:];
> if ([alert runModal] == NSAlertDefaultReturn) {
> //Code
> }
> This crash is happening only after we migrated to ARC. I tried with analyzer 
> and Zombies, but no success in finding the cause for the crash.

You've provided a skeleton of how you intend to do something, but nothing that 
shows what you are actually doing. You've provided nothing more than "make an 
alert and run it." If there is a bug in this section of your code, it's 
probably in the construction of the parameters to alertWith…, or in "Code."

If your actual code is terribly complex, or proprietary, reduce it to a minimal 
case that reproduces it, and post it. Creating a minimal case will often show 
you your problem with no need to consult anyone else.

Also: By any chance, are you running this alert on any thread other than the 
main one? You can't do that. You'll crash.

        — F


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