java.lang.NoClassDefFoundError

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • GitHub comment 241#270687689
    via GitHub by jamesol1
    ,
  • Movecraft 1.11 Support
    via GitHub by WanderingBread
    ,
  • Not sure whats going on
    via GitHub by NomzHD
    ,
  • error spam 1.9.4
    via GitHub by seema84
    ,
  • Console Error with Spigot 1.9.4
    via GitHub by sleite
    ,
  • My pet for Spigot 1.8 Release
    via GitHub by jesusango
    ,
    • java.lang.NoClassDefFoundError: net/minecraft/server/v1_9_R1/Packet at net.countercraft.movecraft.async.AsyncManager.run(AsyncManager.java:1525)[?:?] at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:71)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:723)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:400)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:668)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:567)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at java.lang.Thread.run(Thread.java:745)[?:1.8.0_91] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_9_R1.Packet at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86)[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)[?:1.8.0_91] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)[?:1.8.0_91] ... 8 more

    Users with the same issue

    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    9 more bugmates