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Today, when I try to run my app in simulator, it simply tells me
Unable to run app in Simulator
An error was encountered while running
(Domain = NSPOSIXErrorDomain, Code = 22)
And the error dialog looks like this:
I've tried many things:
None of above works. And I looked into log, I found these are those records has something to do with this issue
2014/10/15 9:09:40.964 com.apple.CoreSimulator.CoreSimulatorService[979]: Error Domain=com.apple.CoreSimulator.SimError Code=146 "Unable to lookup in current state: Shutdown" UserInfo=0x7f96c861d000 {NSLocalizedDescription=Unable to lookup in current state: Shutdown}
2014/10/15 9:09:40.964 Xcode[1983]: [MT] iPhoneSimulator: Unable to connect to "com.apple.instruments.deviceservice.lockdown" (Error Domain=com.apple.CoreSimulator.SimError Code=146 "Unable to lookup in current state: Shutdown" UserInfo=0x7fcf6fc24190 {NSLocalizedDescription=Unable to lookup in current state: Shutdown})
2014/10/15 9:09:40.980 com.apple.CoreSimulator.CoreSimulatorService[979]: Error Domain=com.apple.CoreSimulator.SimError Code=146 "Unable to lookup in current state: Shutdown" UserInfo=0x7f96c861d000 {NSLocalizedDescription=Unable to lookup in current state: Shutdown}
2014/10/15 9:09:42.351 launchd_sim[2047]: assertion failed: 13F34: libxpc.dylib + 29453 [75E30F22-514B-3A20-B82C-EDA43AF5C35C]: 0x8d
2014/10/15 9:09:42.362 com.apple.CoreSimulator.CoreSimulatorService[979]: Could not register service com.apple.coreservices.lsuseractivity.simulatorsupport: Failed to lookup com.apple.coreservices.lsuseractivity.simulatorsupport: 0x44e
I also found some other people had the same issue here : https://gist.github.com/bdeshong/2dd90add09b7287a9a85
No luck to find solution after Googling around.
Here is my environment information
Any ideas?
990
To run your app in Simulator, choose an iOS simulator—for example, iPhone 6 Plus, iPad Air, or iPhone 6 + Apple Watch - 38mm—from the Xcode scheme pop-up menu and click Run. Xcode builds your project and then launches the most recent version of your app running in Simulator on your Mac screen, as shown in Figure 1-1.
It is impossible to make a purchase on a simulator (it is only possible to request a list of available purchases). To test purchases, you first need to set up products on App Store Connect and then use the user's sandbox environment and a real device. In this case, purchases for the developer are free.
Install Apps on SimulatorsTo install an app on a connected simulator, follow these steps. Go to Apps > Install Application. Find and open the app you want to install from your Mac. The app appears in the list of installed apps on the right side of the iOS Gateway window.
I found the root causes, and I also found the solution. First thing I've done is to ensure this has something to do with Xcode rather than a problem relative to the project itself. I tried to create a new project, and it works perfectly fine. So I assume that is caused by something in my project.
I actually added a resources reference folder to my project. So I think the problem has something to do with it. However, even I removed the folder from project, the problem is still there. In the end, it turns out, the resources folder could live in
Since Xcode may simply copy and overwrite target App bundle folder, so the resources folder may still there in the App bundle folder. So after removing the resources folder, you need to
And for the reason the App cannot be launched correctly, that's because it appears resources is actually a reserved folder name in the bundle structure. By adding a folder named resources into the bundle, somehow ruined the normal structure. To solve the problem, I changed the name from resources to app_data, or whatever it is, that all work.
139
I got the same. I just did force quit xcode and simulator then worked for me.
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