LibIMobileDeviceException: MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED

[José Rodolfo Freitas]

Hello,

I have a game using libgdx and robovm which runs perfectly fine over iOS7.
I was delaying the update to iOS8 because first I wanted to see the game stable. Today I updated to iOS8 and I had problems: The touch events weren't triggering any action and I also had a problem with aspect ratio (which seems a minor problem).

The first approach I decided to follow was updating robovm through eclipse and get the latest version. After the update I get the following exception:

[ERROR] AppLauncher failed with an exception:
[ERROR] org.robovm.libimobiledevice.LibIMobileDeviceException: MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED
[ERROR] at org.robovm.libimobiledevice.MobileImageMounterClient.checkResult(MobileImageMounterClient.java:209)
[ERROR] at org.robovm.libimobiledevice.MobileImageMounterClient.uploadImage(MobileImageMounterClient.java:177)
[ERROR] at org.robovm.libimobiledevice.util.AppLauncher.mountDeveloperImage(AppLauncher.java:635)
[ERROR] at org.robovm.libimobiledevice.util.AppLauncher.launchInternal(AppLauncher.java:673)
[ERROR] at org.robovm.libimobiledevice.util.AppLauncher.launch(AppLauncher.java:965)
[ERROR] at org.robovm.compiler.target.ios.AppLauncherProcess$1.run(AppLauncherProcess.java:67)

Does anyone know what the problem might be or care to give me some tips on debugging and finding the solution?

Best Regards,
José

[Niklas Therning]

I think this is a known bug when running against iOS 8 devices. The work around is to first run a sample app from within Xcode to get the developer image mounted on the device. Then you should be able to launch RoboVM apps again until you reboot your device.

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[José Rodolfo Freitas]

Thanks Niklas, the game started to work a couple of hours ago and I didn't know what I did to "fix" it. 
Now that you explained, I think it makes more sense.