the user data image is used by another emulator. aborting

An internal error occurred during: "Launching XXXX".

java.lang.NullPointerException

at

com.android.ide.eclipse.adt.internal.launch.AndroidLaunchC

ontroller.launch([size=large]Unknown Source)
at

com.android.ide.eclipse.adt.internal.launch.LaunchConfigDe

legate.doLaunch(Unknown Source)
at

com.android.ide.eclipse.adt.internal.launch.LaunchConfigDe

legate.launch(Unknown Source)
at

org.eclipse.debug.internal.core.LaunchConfiguration.launch

(LaunchConfiguration.java:853)
at

org.eclipse.debug.internal.core.LaunchConfiguration.launch

(LaunchConfiguration.java:703)
at

org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch

(DebugUIPlugin.java:866)
at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run

(DebugUIPlugin.java:1069)
at org.eclipse.core.internal.jobs.Worker.run

(Worker.java:55)

run configuration-->Target里面一

个AVD也没勾上！--重新配置AVD---size]