java.lang.NullPointerException: This exception has no message.

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via GitHub by Kira07
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This exception has no message.
via GitHub by Kira07
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This exception has no message.
via Google Groups by Ian Clarke, 5 months ago
This exception has no message.
via GitHub by psfung
, 2 years ago
This exception has no message.
java.lang.NullPointerException:
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at com.comphenix.protocol.reflect.StructureModifier.withType(StructureModifier.java:455)
at com.comphenix.protocol.events.PacketContainer.getPlayerInfoAction(PacketContainer.java:771)
at com.j0ach1mmall3.jlib.player.tagchanger.TagChanger.onPacketSending(TagChanger.java:43)
at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195)
at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149)
at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:637)
at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:613)
at com.comphenix.protocol.compat.netty.shaded.ShadedProtocolInjector.packetQueued(ShadedProtocolInjector.java:312)
at com.comphenix.protocol.compat.netty.shaded.ShadedProtocolInjector.onPacketSending(ShadedProtocolInjector.java:278)
at com.comphenix.protocol.compat.netty.shaded.ShadedChannelInjector.processSending(ShadedChannelInjector.java:400)
at com.comphenix.protocol.compat.netty.shaded.ShadedChannelInjector.access$500(ShadedChannelInjector.java:81)
at com.comphenix.protocol.compat.netty.shaded.ShadedChannelInjector$5.handleScheduled(ShadedChannelInjector.java:366)
at com.comphenix.protocol.compat.netty.shaded.ShadedChannelInjector$5.onMessageScheduled(ShadedChannelInjector.java:334)
at com.comphenix.protocol.compat.netty.shaded.ShadedChannelProxy$2.schedulingRunnable(ShadedChannelProxy.java:127)
at com.comphenix.protocol.compat.netty.shaded.ShadedEventLoopProxy.execute(ShadedEventLoopProxy.java:95)
at net.minecraft.server.v1_7_R4.NetworkManager.b(NetworkManager.java:151)
at net.minecraft.server.v1_7_R4.NetworkManager.handle(NetworkManager.java:129)
at net.minecraft.server.v1_7_R4.PlayerConnection.sendPacket(PlayerConnection.java:807)
at net.minecraft.server.v1_7_R4.PlayerList.c(PlayerList.java:328)
at net.minecraft.server.v1_7_R4.PlayerList.a(PlayerList.java:185)
at net.minecraft.server.v1_7_R4.LoginListener.c(LoginListener.java:119)
at net.minecraft.server.v1_7_R4.LoginListener.a(LoginListener.java:44)
at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:192)
at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81)
at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:795)
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:307)
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:643)
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:549)

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