java.lang.NoClassDefFoundError: scala/Function2

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  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

Solutions on the web

via Apache's JIRA Issue Tracker by Mark S, 2 years ago
scala/Function2
via Apache's JIRA Issue Tracker by Mark S, 1 year ago
scala/Function2
via Stack Overflow by Knows Not Much
, 1 year ago
scala/Function0
via Stack Overflow by Mohammad Zammam
, 1 year ago
scala/Function0
via GitHub by gigialmo88
, 1 year ago
scala/Option
via GitHub by manugarri
, 1 year ago
scala/Function0
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)	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)