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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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org/apache/hadoop/conf/Configuration
java.lang.ClassNotFoundException: play.api.Configuration	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.getDeclaredMethods0(Native Method)	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)	at java.lang.Class.privateGetMethodRecursive(Class.java:3048)	at java.lang.Class.getMethod0(Class.java:3018)	at java.lang.Class.getMethod(Class.java:1784)	at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)