Executing `simctl terminate` causes a new error message

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Created Feb ’22

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Executing /usr/bin/xcrun simctl terminate <Device UDID> <App Bundle ID> when the simulator is available but the app is not currently running causes the following error:

An error was encountered processing the command (domain=NSPOSIXErrorDomain, code=3):
Application termination failed.
FBSSystemService reported failure without an error, possibly because the app is not currently running.

This happens with Xcode 13.2 + Xcode CLI tools version 2392, however, it didn't happen in Xcode CLI tools version 2384, also Xcode 13.2, on a different machine.

First, I wonder why there's a difference between the Xcode CLI tools versions if the Xcode version is the same (both were installed from the website). Is it possible that it's related to the MacOS version (first has Monterey version 12.1 and second has Big Sur 11.6)?

Second, is this a new added error in one of the latest versions of simctl? Could we find this anywhere in a release note?

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Answer 1

DanW82 OP

Apr ’22

bump - any luck with this?

I've started getting the same error after upgrading a couple of build machines to X-Code 13 and Monterey. (Fortunately still have a couple on BigSur and 12.5)

It worked fine immediately prior to the update.

Monterey: 12.3.1 XCode 13.3 Xcode-select tools 2395 CLI - 13E113 appleSimUtils was 8.X and upgrade to 0.9.5 - both versions had this error.

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