解析xml文件途中出现异常
java.lang.NoClassDefFoundError: org/xmlpull/v1/XmlPullParserException
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)
怎么解决呀