java.lang.NoClassDefFoundError: scala/Function2

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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. ,
    via netty.io by Unknown author

    Needs to add netty-transport-native-epoll with a OS classifier to the classpath, it's not included in netty-all

Solutions on the web

via Apache's JIRA Issue Tracker by Mark S, 2 years ago
scala/Function2
via Stack Overflow by Knows Not Much
, 1 year ago
scala/Function0
via GitHub by gigialmo88
, 1 year ago
scala/Option
java.lang.NoClassDefFoundError: scala/Function2	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)Caused by: java.lang.ClassNotFoundException: scala.Function2	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)	... 7 more