scala java scala/App错误NoClassDefFoundError

我对Java和Scala都是新手。我已经创建了jar文件，并希望它在JVM上执行。我不确定这里有什么问题。请帮帮我。请查找错误日志和调用的命令

My-mini:~ DC$ export JVM_ARGS="-XX:+CMSClassUnloadingEnabled -XX:PermSize=512M -  XX:MaxPermSize=1024M"
My-mini:~ DC$ java $JVM_ARGS -jar /Users/DC/Desktop/eclipse/Workspace/FTDataProject/target/scala-2.11/ftdataproject_2.11-1.0.jar MainApp.scala Germany 20140728
Exception in thread "main" java.lang.NoClassDefFoundError: scala/App
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    at com.DC.FTDataParser.MainApp.main(MainApp.scala)
Caused by: java.lang.ClassNotFoundException: scala.App
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    ... 13 more

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NCDFE十几个或更多个JAR文件中最常见的原因是有不匹配的JAR文件——要么是两个不兼容的JAR，要么是用一组JAR编译并用另一个不兼容的JAR运行；它为您将scala JAR放在类路径上。Eclipse还运行scala应用程序。另外，作为脚本foo.scala运行与运行编译代码foo.class不同。