放出怪物后技能特效（粒子）什么都看不见但是可以伤害到自己 放出怪物或者自己被杀了以后 后台就会刷这些
java.lang.IllegalArgumentException: No serializer found for class com.comphenix.protocol.wrappers.nbt.WrappedCompound
[23:30:59 WARN]: at com.comphenix.protocol.wrappers.WrappedDataWatcher$Registry.get(WrappedDataWatcher.java:940)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.PacketsManager.createDataWatcher(PacketsManager.java:504)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.PacketsManager.constructSpawnPackets(PacketsManager.java:366)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.PacketsManager.transformPacket(PacketsManager.java:918)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerMain.onPacketSending(PacketListenerMain.java:57)
[23:30:59 WARN]: at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195)
[23:30:59 WARN]: at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149)
[23:30:59 WARN]: at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:588)
[23:30:59 WARN]: at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:564)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ProtocolInjector.packetQueued(ProtocolInjector.java:338)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketSending(ProtocolInjector.java:298)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:367)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector.access$800(ChannelInjector.java:66)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector$3.handleScheduled(ChannelInjector.java:332)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector$3.onMessageScheduled(ChannelInjector.java:302)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:127)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:95)
[23:30:59 WARN]: at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer$1.respawn(CraftPlayer.java:1566)
[23:30:59 WARN]: at com.relavis.nodeathscreen.Main$1.run(Main.java:23)
[23:30:59 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76)
[23:30:59 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361)
java.lang.IllegalArgumentException: No serializer found for class com.comphenix.protocol.wrappers.nbt.WrappedCompound
[23:30:59 WARN]: at com.comphenix.protocol.wrappers.WrappedDataWatcher$Registry.get(WrappedDataWatcher.java:940)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.PacketsManager.createDataWatcher(PacketsManager.java:504)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.PacketsManager.constructSpawnPackets(PacketsManager.java:366)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.PacketsManager.transformPacket(PacketsManager.java:918)
[23:30:59 WARN]: at me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerMain.onPacketSending(PacketListenerMain.java:57)
[23:30:59 WARN]: at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195)
[23:30:59 WARN]: at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149)
[23:30:59 WARN]: at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:588)
[23:30:59 WARN]: at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:564)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ProtocolInjector.packetQueued(ProtocolInjector.java:338)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketSending(ProtocolInjector.java:298)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:367)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector.access$800(ChannelInjector.java:66)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector$3.handleScheduled(ChannelInjector.java:332)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelInjector$3.onMessageScheduled(ChannelInjector.java:302)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:127)
[23:30:59 WARN]: at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:95)
[23:30:59 WARN]: at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer$1.respawn(CraftPlayer.java:1566)
[23:30:59 WARN]: at com.relavis.nodeathscreen.Main$1.run(Main.java:23)
[23:30:59 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76)
[23:30:59 WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361)
protocollib的版本是啥 尝试更新一下试试？
特效你确定不是客户端关了？