Having trouble getting your first Appcelerator Titanium app to work? Lots of people who have upgraded to OS X 10.7 and installed a new copy of XCode have been getting this error on attempting to run an Appcelerator demo app:

[DEBUG] Session could not be started: Error Domain=DTiPhoneSimulatorErrorDomain Code=2 "Simulator session timed out." UserInfo=0x10048c070 {NSLocalizedDescription=Simulator session timed out.}
[INFO] Launched application in Simulator (99.67 seconds)
[INFO] Application has exited from Simulator

The fix is to open XCode and install the newest updated iOS simulator.

XCode configuration

You may as well enable auto-updating while you’re at it.

Hope this helps someone save some time, let me know if you’re getting this error and still have trouble.

About the Author

Brian is a game and web developer in San Francisco working at Code.org, a non-profit focused on growing access to Computer Science education. Brian also curates Coding for Interviews, a weekly programming interview practice newsletter. Formerly @ PopCap, intern @ TripAdvisor, One Laptop per Child, Tufts CS. Follow Brian on Twitter @bcjordan.

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