Xcode 12 Beta Simulator Runtime not available

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I installed Xcode 12 beta 2 and tried to run our xamarin project through Jenkins on Mac OS Catalina. It fails with the below error. When i build the same project from Mac Visual studio, it succeeded without any error.

SplashViewController.storyboard : error : iOS 14.0 (14.0 - 18A5319g) - com.apple.CoreSimulator.SimRuntime.iOS-14-0 (unavailable, failed to open liblaunchsim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The iOS 14.0 simulator runtime is not available." UserInfo={NSLocalizedDescription=The iOS 14.0 simulator runtime is not available., NSUnderlyingError=0x7fef8847b520 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff97d649a0> { count = 1, transaction: 0, voucher = 0x0,_

I also did 'xcrun simctl list' to view the available runtime simulators for Xcode 12 beta.
it shows the below list but fails while building.

== Runtimes ==

iOS 14.0 (14.0 - 18A5319g) -
com.apple.CoreSimulator.SimRuntime.iOS-14-0

tvOS 14.0 (14.0 - 18J5331g) -
com.apple.CoreSimulator.SimRuntime.tvOS-14-0

watchOS 7.0 (7.0 - 18R5327h) -
com.apple.CoreSimulator.SimRuntime.watchOS-7-0

== Devices ==

Can anyone help me to resolve this.

Thanks in advance.
Asked by
Priya22
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Asked by
Priya22
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17 Replies

So I just ran into this problem using jenkins launched as a LaunchDaemon using plist. Turns out the sudo comment from Anders.u lead me to a solution.

running
Code Block 
xcrun simctl list
sudo xcrun simctl list

produced 2 different results with sudo simulators unavailable.

I then ran 
Code Block 
xcrun simctl delete unavailable
sudo xcrun simctl delete unavailable


After that the builds from jenkins ran fine without error.

Posted by
ipilipski-gsn
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Posted by
ipilipski-gsn
The issue seems to have been resolved with the Xcode 12.3 release.
Posted by
anders.u
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Posted by
anders.u