Couldn't register […] with the bootstrap server

Question

I keep getting this error when launching my app on the iOS Simulator:

Couldn\'t register com.mycompany.MyApp with the bootstrap server. Error: unknown error          


        

Answer 1

As the GDB said:

This generally means that another instance of this process was already running or is hung in the debugger

So find out it and kill it. ;)
I restarted the mac, and it run successfully.

---

Tip: Well, this may be not work sometimes, so I strongly suggest that you press cmd+. to make sure that you do have stopped the simulator (or device). I find that in most cases the simulator (or device) will not stop exactly when it crashes. I rarely met this issue again with pressing the cmd+. every time it crashes or even just normal exit. Hope this will be helpful. :)

Answer 2

I just closed my xcode & restart my device(ipad2) and it works for me :) You can try this :: Couldn't register with the bootstrap Server