What are the numbers in the square brackets in NSLog() output?

Question

What is the stuff between the [] in the log message below? I get this in my iPhone app, and I have no idea where the message is coming from. My first guess woul

Answer 1

first number is the process ID, unsure about second, this line will precede every line thats printed to console from your application.

Possibly a NSLog(@""); is causing this.

Is your application running or has it crashed by this stage?