j2me小程序运行问题java.lang.ClassNotFoundException 高手来看看啊~~

eclipse 下运行j2me程序出现这个错误，是怎么回事啊？望高人指点~
Running with storage root DefaultColorPhone
java.lang.ClassNotFoundException: Midlet1
    at com.sun.midp.midlet.MIDletState.createMIDlet(+14)
    at com.sun.midp.midlet.Scheduler.schedule(+52)
    at com.sun.midp.main.Main.runLocalClass(+28)
    at com.sun.midp.main.Main.main(+116)
Execution completed.
699747 bytecodes executed
2 thread switches
740 classes in the system (including system classes)
3548 dynamic objects allocated (96468 bytes)
1 garbage collections (0 bytes collected)

[ 本帖最后由 落在秋天的叶 于 2010-12-15 13:59 编辑 ]
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对。我的也处在这个问题中。百度出来很多大神都说重装下你的运行环境。。。
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