java.io.IOException: Failed to mount DeveloperDiskImage.dmg on the device.

[Nick Susha]

I launch my app in Eclipse with "Run As" -> "iOS Device App" and get I an exception 

4/16/14 12:30:24 PM: [DEBUG] Looking up developer disk image for iOS version 7.1 (11D167) in /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport

4/16/14 12:30:24 PM: [DEBUG] Copying developer disk image /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/7.1 (11D167)/DeveloperDiskImage.dmg to device

4/16/14 12:30:26 PM: [DEBUG] Mounting developer disk image

4/16/14 12:30:26 PM: [ERROR] AppLauncher failed with an exception:

4/16/14 12:30:26 PM: [ERROR] java.io.IOException: Failed to mount /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/7.1 (11D167)/DeveloperDiskImage.dmg on the device.

4/16/14 12:30:26 PM: [ERROR] at org.robovm.libimobiledevice.util.AppLauncher.mountDeveloperImage(AppLauncher.java:604)

4/16/14 12:30:26 PM: [ERROR] at org.robovm.libimobiledevice.util.AppLauncher.launchInternal(AppLauncher.java:625)

4/16/14 12:30:26 PM: [ERROR] at org.robovm.libimobiledevice.util.AppLauncher.launch(AppLauncher.java:801)

4/16/14 12:30:26 PM: [ERROR] at org.robovm.compiler.target.ios.AppLauncherProcess$1.run(AppLauncherProcess.java:67)

[Dmitry Kolesnikovich]

Help, please, work blocking issue, can not launch app from inside Eclipse!

[Eric Nondahl]

What version RoboVM are you using? I'm not having any issues like this, currently on 0.0.10

[Dmitry Kolesnikovich]

I use 0.0.11 from here http://marketplace.eclipse.org/content/robovm-eclipse#.U1DKJvmSySo

[Dmitry Kolesnikovich]

May be somebody solved "Unknown or unsupported SDK version: 6.1"? I get this when try to launch app in Eclipse using iOS 6 Simulator

4/19/14 12:02:34 PM: [ERROR] Unknown or unsupported SDK version: 6.1

4/19/14 12:02:34 PM: [ERROR] Simulator SDK Roots:

4/19/14 12:02:34 PM: [ERROR] 'Simulator - iOS 7.1' (7.1)

4/19/14 12:02:34 PM: [ERROR] /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.1.sdk

[Niklas Therning]

@Nick: Please give some details about your device. Which iOS version is it running? Are you able to launch a simple ObjC app on it from within Xcode?

@Dmitry: Your issue is not related to Nick's. You probably just need to download an iOS 6 simulator image. Open Xcode, go to Preferences in the menu and then the Downloads tab. 

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[Dmitry Kolesnikovich]

Applying new update for XCode fixed my issue.

[s...@imagnity.com]

I get the exact error. Latest IOS (7.1.1), JDK (1.7.0_55), RoboVM (0.0.12.201404220002)

After it fails, I see the app in iPad2 but with a Launcher ICON from a very old project when I last installed like 6 months ago. Not sure where this ICON coming from as I have replaced it.

Also, even in iPad2, the simple game is super jerky which was not the case 6 months ago. Nothing changed in the game as I am about to resume dev't. That one I have to investigate as it can come from new version of libGDX (1.0).

But in the meantime how do we solve this-

4/23/14 4:14:31 AM: [ERROR] AppLauncher failed with an exception:

4/23/14 4:14:31 AM: [ERROR] java.io.IOException: Failed to mount /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/7.1 (11D167)/DeveloperDiskImage.dmg on the device.

4/23/14 4:14:31 AM: [ERROR] at org.robovm.libimobiledevice.util.AppLauncher.mountDeveloperImage(AppLauncher.java:604)

4/23/14 4:14:31 AM: [ERROR] at org.robovm.libimobiledevice.util.AppLauncher.launchInternal(AppLauncher.java:625)

4/23/14 4:14:31 AM: [ERROR] at org.robovm.libimobiledevice.util.AppLauncher.launch(AppLauncher.java:801)

4/23/14 4:14:31 AM: [ERROR] at org.robovm.compiler.target.ios.AppLauncherProcess$1.run(AppLauncherProcess.java:67)

Thank you.

[Niklas Therning]

Xcode version?

[Saj]

Sorry forgot to provide. It's also latest. Version 5.1.1 (5B1008). I updated everything as it states in RoboVM.

[Saj]

Just tried in iPhone 4 and the same error. Launcher image is the default one with grid and circles. I restarted Eclipse, Mavericks, etc. 

[Niklas Therning]

I just got the "IOException: Failed to mount" myself. Retrying the launch helped for me. My guess is that the developer image actually gets mounted properly but for some reason (maybe a timeout?) it doesn't return true. But then when I relaunch it has already been mounted properly and the launch can proceed.

Everyone who sees this problem, please let me know if a relaunch works.

[Niklas Therning]

Correction: merely relaunching doesn't help, I also launched Xcode which seems to be what made it work. So if you run into this problem please just launch Xcode with your device connected and then retry the launch using RoboVM. It seems like Xcode mounts the developer image properly so that RoboVM doesn't have to. I have logged this issue: https://github.com/robovm/robovm/issues/320

[Saj]

Yes, that fixes the error. Thank you.