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  1. ,

    I had to build one fat jar that will include all dependencies from the other jars that i wanted to use.

  2. ,
    Expert tip

    This error means there's a class missing in your classpath during runtime. You need to create a jar with all your dependencies and have it in your classpath. Check Maven Assembly Plugin and how to add your dependencies to a jar: https://goo.gl/U2zr8k

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via Coderanch by albert kao, 1 year ago
java.lang.ClassNotFoundException: Copy.java	at java.net.URLClassLoader$1.run(URLClassLoader.java:299)	at java.net.URLClassLoader$1.run(URLClassLoader.java:288)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:287)	at java.lang.ClassLoader.loadClass(ClassLoader.java:422)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:325)	at java.lang.ClassLoader.loadClass(ClassLoader.java:355)	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:195)