有玩家登陆时开始大量报错，并且TPS开始狂掉，稍后恢复正常，但同时整个服务器里的玩家均感到卡顿。
好几次服务器直接停止响应并且回档，求大神指导该怎么办
附上玩家登陆时的后台：
[20:44:17 WARN]: java.lang.IllegalStateException: Unable to find method getTypeId ([]).
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.getMethod(NbtFactory.java:817)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.getMethod(NbtFactory.java:816)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.<init>(NbtFactory.java:366)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.get(NbtFactory.java:343)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.getCraftItemStack(NbtFactory.java:603)
[20:44:17 WARN]: at com.comphenix.attribute.Attributes.<init>(Attributes.java:244)
[20:44:17 WARN]: at fr.xephi.authme.cache.backup.FileCache.createCache(FileCache.java:104)
[20:44:17 WARN]: at fr.xephi.authme.listener.AuthMePlayerListener.onPlayerJoin(AuthMePlayerListener.java:675)
[20:44:17 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[20:44:17 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[20:44:17 WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[20:44:17 WARN]: at java.lang.reflect.Method.invoke(Method.java:606)
[20:44:17 WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:334)
[20:44:17 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[20:44:17 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507)
[20:44:17 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492)
[20:44:17 WARN]: at net.minecraft.server.management.ServerConfigurationManager.func_72377_c(ServerConfigurationManager.java:360)
[20:44:17 WARN]: at net.minecraft.server.management.ServerConfigurationManager.initializeConnectionToPlayer(ServerConfigurationManager.java:216)
[20:44:17 WARN]: at cpw.mods.fml.common.network.handshake.NetworkDispatcher.completeServerSideConnection(NetworkDispatcher.java:190)
[20:44:17 WARN]: at cpw.mods.fml.common.network.handshake.NetworkDispatcher.completeHandshake(NetworkDispatcher.java:465)
[20:44:17 WARN]: at cpw.mods.fml.common.network.internal.HandshakeCompletionHandler.channelRead0(HandshakeCompletionHandler.java:21)
[20:44:17 WARN]: at cpw.mods.fml.common.network.internal.HandshakeCompletionHandler.channelRead0(HandshakeCompletionHandler.java:11)
[20:44:17 WARN]: at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)
[20:44:17 WARN]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[20:44:17 WARN]: at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785)
[20:44:17 WARN]: at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169)
[20:44:17 WARN]: at cpw.mods.fml.common.network.internal.FMLProxyPacket.func_148833_a(FMLProxyPacket.java:77)
[20:44:17 WARN]: at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244)
[20:44:17 WARN]: at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173)
[20:44:17 WARN]: at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:980)
[20:44:17 WARN]: at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:430)
[20:44:17 WARN]: at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798)
[20:44:17 WARN]: at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
[20:44:17 WARN]: at java.lang.Thread.run(Thread.java:745)
好几次服务器直接停止响应并且回档，求大神指导该怎么办
附上玩家登陆时的后台：
[20:44:17 WARN]: java.lang.IllegalStateException: Unable to find method getTypeId ([]).
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.getMethod(NbtFactory.java:817)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.getMethod(NbtFactory.java:816)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.<init>(NbtFactory.java:366)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.get(NbtFactory.java:343)
[20:44:17 WARN]: at com.comphenix.attribute.NbtFactory.getCraftItemStack(NbtFactory.java:603)
[20:44:17 WARN]: at com.comphenix.attribute.Attributes.<init>(Attributes.java:244)
[20:44:17 WARN]: at fr.xephi.authme.cache.backup.FileCache.createCache(FileCache.java:104)
[20:44:17 WARN]: at fr.xephi.authme.listener.AuthMePlayerListener.onPlayerJoin(AuthMePlayerListener.java:675)
[20:44:17 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[20:44:17 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[20:44:17 WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[20:44:17 WARN]: at java.lang.reflect.Method.invoke(Method.java:606)
[20:44:17 WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:334)
[20:44:17 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[20:44:17 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507)
[20:44:17 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492)
[20:44:17 WARN]: at net.minecraft.server.management.ServerConfigurationManager.func_72377_c(ServerConfigurationManager.java:360)
[20:44:17 WARN]: at net.minecraft.server.management.ServerConfigurationManager.initializeConnectionToPlayer(ServerConfigurationManager.java:216)
[20:44:17 WARN]: at cpw.mods.fml.common.network.handshake.NetworkDispatcher.completeServerSideConnection(NetworkDispatcher.java:190)
[20:44:17 WARN]: at cpw.mods.fml.common.network.handshake.NetworkDispatcher.completeHandshake(NetworkDispatcher.java:465)
[20:44:17 WARN]: at cpw.mods.fml.common.network.internal.HandshakeCompletionHandler.channelRead0(HandshakeCompletionHandler.java:21)
[20:44:17 WARN]: at cpw.mods.fml.common.network.internal.HandshakeCompletionHandler.channelRead0(HandshakeCompletionHandler.java:11)
[20:44:17 WARN]: at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)
[20:44:17 WARN]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[20:44:17 WARN]: at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)
[20:44:17 WARN]: at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785)
[20:44:17 WARN]: at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169)
[20:44:17 WARN]: at cpw.mods.fml.common.network.internal.FMLProxyPacket.func_148833_a(FMLProxyPacket.java:77)
[20:44:17 WARN]: at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244)
[20:44:17 WARN]: at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173)
[20:44:17 WARN]: at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:980)
[20:44:17 WARN]: at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:430)
[20:44:17 WARN]: at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798)
[20:44:17 WARN]: at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
[20:44:17 WARN]: at java.lang.Thread.run(Thread.java:745)
SimplePluginManager这个插件删了
你文件出错了