安卓在eclipse上编译报错

[animada]

Exception in thread "main" java.lang.UnsatisfiedLinkError: com.sun.midp.main.Configuration.getProperty0(Ljava/lang/String;)Ljava/lang/String;
at com.sun.midp.main.Configuration.getProperty0(Native Method)
at com.sun.midp.main.Configuration.getProperty(Configuration.java:32)
at com.sun.midp.lcdui.Resource.<clinit>(Resource.java:30)
at com.sun.midp.main.Main.initSystemLabels(Main.java:686)
at com.sun.midp.main.Main.main(Main.java:103)
这个问题怎么解决啊
SDK的环境变量我设的是C:\Users\jjchen\android-sdks\tools
AVD也可以打开 就是编译的时候不会自动打开