1. Exception in thread "main" java.lang.NoClassDefFoundError:
  2. Caused by: java.lang.ClassNotFoundException:
  3. at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
  4. at java.security.AccessController.doPrivileged(Native Method)
  5. at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
  6. at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
  7. at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
  8. at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
  9. at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:334)
  10. Could not find the main class: . Program will exit.