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  1. ,
    Expert tip

    jsp-api and servlet-api jars must NOT be deployed by your web app. They should be marked as provided but not deployed by your app.

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    The server rejects all jars that already belong to the server runtime (such as tomcat-**.jar, servlet**.jar). Consider substituting the CORS filter you're using for this one: https://goo.gl/ctQ7Fs

Solutions on the web

via GitHub by StreetHD
, 1 year ago
io/netty/channel/ChannelInboundHandler
via GitHub by Dorlomonogo
, 1 year ago
io/netty/channel/ChannelInboundHandler
via GitHub by AzuryaTV
, 8 months ago
io/netty/channel/ChannelInboundHandler
via GitHub by pablodrake
, 8 months ago
io/netty/channel/ChannelInboundHandler
via GitHub by davidjm6
, 2 years ago
net/minecraft/util/io/netty/channel/ChannelInboundHandler
java.lang.NoClassDefFoundError: io/netty/channel/ChannelInboundHandler at com.comphenix.protocol.injector.PacketFilterManager.<init>(PacketFilterManager.java:245) at com.comphenix.protocol.injector.PacketFilterBuilder.buildInternal(PacketFilterBuilder.java:250) at com.comphenix.protocol.injector.PacketFilterBuilder.build(PacketFilterBuilder.java:233) at com.comphenix.protocol.ProtocolLib.onLoad(ProtocolLib.java:206) at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugins(CraftServer.java:374) at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:152) at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:458) at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628)Caused by: java.lang.ClassNotFoundException: io.netty.channel.ChannelInboundHandler at java.net.URLClassLoader.findClass(Unknown Source) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 8 more