React Native `RuntimeError: abort(Error: xcrun exited with non-zero code: 2` on iOS simulator

xcode react-native expo ios-simulator

Solution 1:

Figured it our thanks to ShepSims from https://github.com/expo/expo-cli/issues/2413 . Before being able to open the iOS simulator from the terminal, I needed to open XCode and open the simulator there. This mounts the simulator bundle, allowing later access by pressing i after running expo start.

Solution 2:

I was receiving the same error as above with XCode command line tools installed only, no XCode installed.

I tried re-installing XCode command line tools which didn't do anything.

For me this was solved with advice mentioned at https://github.com/expo/expo-cli/issues/3871:

  • open Simulator.app, as it automatically sets the default device.

Solution 3:

It is not anything. It was solved by opening simulator from XCOde on my mac

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