An internal error occurred during: "Launching atphone". java.lang.NullPointerException

分类：

eclipse.buildId=M20090917-0800
java.version=1.6.0_18
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN
Framework arguments:  -product org.eclipse.epp.package.java.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.java.product


Error
Tue Nov 30 09:34:51 CST 2010
An internal error occurred during: "Launching atphone".

java.lang.NullPointerException
    at com.android.ide.eclipse.adt.internal.launch.AndroidLaunchController.launch(Unknown Source)
    at com.android.ide.eclipse.adt.internal.launch.LaunchConfigDelegate.doLaunch(Unknown Source)
    at com.android.ide.eclipse.adt.internal.launch.LaunchConfigDelegate.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)

解决方法：

选择手动，或者自动指定一个AVD