java.lang.NoClassDefFoundError: play/api/Configuration

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

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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:

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via Google Groups by Scott Shipp, 1 year ago
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java.lang.NoClassDefFoundError: play/api/Configuration
at java.lang.ClassLoader.loadClass(
at sun.misc.Launcher$AppClassLoader.loadClass(
at java.lang.ClassLoader.loadClass(
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(
at java.lang.Class.privateGetMethodRecursive(
at java.lang.Class.getMethod0(
at java.lang.Class.getMethod(
at sun.launcher.LauncherHelper.validateMainClass(

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