[16:15:48 WARN]: Failed to initialize a channel. Closing: [id: 0x0d737d7d, /**.**.**.**:54662 => /**.**.**.**:25577] java.lang.NoClassDefFoundError: Could not initialize class com.comphenix.net.sf.cglib.proxy.Enhancer at com.comphenix.protocol.injector.server.TemporaryPlayerFactory.createTemporaryPlayer(TemporaryPlayerFactory.java:164) ~[?:?] at com.comphenix.protocol.compat.netty.independent.NettyInjectionFactory.fromChannel(NettyInjectionFactory.java:146) ~[?:?] at com.comphenix.protocol.compat.netty.independent.NettyProtocolInjector$1.initChannel(NettyProtocolInjector.java:154) ~[?:?] at io.netty.channel.ChannelInitializer.channelRegistered(ChannelInitializer.java:69) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:158) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRegistered(AbstractChannelHandlerContext.java:144) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.ChannelInitializer.channelRegistered(ChannelInitializer.java:71) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:158) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRegistered(AbstractChannelHandlerContext.java:144) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.ChannelInitializer.channelRegistered(ChannelInitializer.java:71) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:158) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRegistered(AbstractChannelHandlerContext.java:144) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.DefaultChannelPipeline.fireChannelRegistered(DefaultChannelPipeline.java:732) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:442) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannel$AbstractUnsafe.access$100(AbstractChannel.java:374) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:418) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:268) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) ~[patched_1.8.8.jar:git-PaperSpigot-445] at java.lang.Thread.run(Thread.java:1583) [?:?] Caused by: java.lang.ExceptionInInitializerError: Exception java.lang.ExceptionInInitializerError [in thread "Netty Epoll Server IO #1"] at com.comphenix.net.sf.cglib.core.KeyFactory$Generator.generateClass(KeyFactory.java:166) ~[?:?] at com.comphenix.net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25) ~[?:?] at com.comphenix.net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216) ~[?:?] at com.comphenix.net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:144) ~[?:?] at com.comphenix.net.sf.cglib.core.KeyFactory.create(KeyFactory.java:116) ~[?:?] at com.comphenix.net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108) ~[?:?] at com.comphenix.net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104) ~[?:?] at com.comphenix.net.sf.cglib.proxy.Enhancer.(Enhancer.java:69) ~[?:?] ... 20 more [16:15:48 WARN]: An exception was thrown by a user handler's exceptionCaught() method while handling the following exception: java.lang.NullPointerException: Cannot invoke "io.netty.channel.Channel.isOpen()" because "this.channel" is null at net.minecraft.server.v1_8_R3.NetworkManager.close(NetworkManager.java:245) ~[patched_1.8.8.jar:git-PaperSpigot-445] at net.minecraft.server.v1_8_R3.NetworkManager.channelInactive(NetworkManager.java:105) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:228) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:228) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.handler.timeout.ReadTimeoutHandler.channelInactive(ReadTimeoutHandler.java:144) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:769) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.AbstractChannel$AbstractUnsafe$5.run(AbstractChannel.java:567) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:268) ~[patched_1.8.8.jar:git-PaperSpigot-445] at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) ~[patched_1.8.8.jar:git-PaperSpigot-445]