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. ,
    Expert tip

    A few things cause this exception:
    1) Check if you have all jars and if they're in the correct path.
    2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

  2. ,

    you can change your scala version to 2.11.11

Solutions on the web

via raspberrypi.org by Unknown author, 1 year ago
java.lang.NoClassDefFoundError: it/unimi/dsi/fastutil/longs/Long2ObjectMap at mn.d(SourceFile:280)[1.9.4.jar:?] at ln.<init>(SourceFile:60)[1.9.4.jar:?] at lq.<init>(SourceFile:123)[1.9.4.jar:?] at byl.a(SourceFile:99)[1.9.4.jar:?] at byl.j(SourceFile:131)[1.9.4.jar:?] at net.minecraft.server.MinecraftServer.run(SourceFile:428)[1.9.4.jar:?] at java.lang.Thread.run(Thread.java:745)[?:1.8.0_65]Caused by: java.lang.ClassNotFoundException: it.unimi.dsi.fastutil.longs.Long2ObjectMap at java.net.URLClassLoader.findClass(URLClassLoader.java:381)[?:1.8.0_65] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)[?:1.8.0_65] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)[?:1.8.0_65] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)[?:1.8.0_65] ... 7 more