class not found error

[sljorange]

Running with storage root C:\Users\LinjieSHEN\j2mewtk\2.5.2\appdb\MediaControlSkin
Running with locale: Chinese (Simplified)_People's Republic of China.936
Running in the manufacturer security domain
java.lang.ClassNotFoundException: kongzhong
at com.sun.midp.midlet.MIDletState.createMIDlet(+29)
at com.sun.midp.midlet.Scheduler.schedule(+52)
at com.sun.midp.main.Main.runLocalClass(+28)
at com.sun.midp.main.Main.main(+80)
Execution completed.
3398974 bytecodes executed
26 thread switches
1667 classes in the system (including system classes)
17551 dynamic objects allocated (522420 bytes)
1 garbage collections (0 bytes collected)

错误信息如上,我是没办法找到解决办法了
望大虾给点建议

[STUDEN2000]

java.lang.ClassNotFoundException: kongzhong
你的kongzhong这个类有写吗？
能有源代码吗，这样看我表示真的什么都不知道！