[13:55:50 WARN]: Failed to initialize a channel. Closing: [id: 0xf7dab30f, L:/172.18.0.19:17915 - R:/10.0.0.165:1064]
java.lang.NoSuchMethodError: 'com.google.common.base.Objects$ToStringHelper com.google.common.base.Objects.toStringHelper(java.lang.Object)'
        at com.comphenix.protocol.events.ListeningWhitelist.toString(ListeningWhitelist.java:241) ~[?:?]
        at java.lang.String.valueOf(String.java:2951) ~[?:?]
        at java.lang.StringBuilder.append(StringBuilder.java:168) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:273) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:246) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:251) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:285) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:257) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printIterables(PrettyPrinter.java:144) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:277) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:246) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:124) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:102) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:89) ~[?:?]
        at com.comphenix.protocol.error.DetailedErrorReporter.getStringDescription(DetailedErrorReporter.java:478) ~[?:?]
        at com.comphenix.protocol.error.DetailedErrorReporter.reportDetailed(DetailedErrorReporter.java:369) ~[?:?]
        at com.comphenix.protocol.error.DelegatedErrorReporter.reportDetailed(DelegatedErrorReporter.java:63) ~[?:?]
        at com.comphenix.protocol.error.DelegatedErrorReporter.reportDetailed(DelegatedErrorReporter.java:87) ~[?:?]
        at com.comphenix.protocol.compat.netty.independent.NettyProtocolInjector$1.initChannel(NettyProtocolInjector.java:157) ~[?:?]
        at io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:113) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:105) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:597) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:226) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:392) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:379) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at com.comphenix.protocol.compat.netty.independent.NettyProtocolInjector$2.initChannel(NettyProtocolInjector.java:168) [ProtocolLib.jar:3.6.5-SNAPSHOT-b201]
        at io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:113) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:105) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:597) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.access$000(DefaultChannelPipeline.java:44) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline$PendingHandlerAddedTask.execute(DefaultChannelPipeline.java:1387) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAddedForAllHandlers(DefaultChannelPipeline.java:1122) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.invokeHandlerAddedIfNeeded(DefaultChannelPipeline.java:647) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:506) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:419) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:478) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:311) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Thread.java:829) [?:?]
[13:55:50 WARN]: Failed to initialize a channel. Closing: [id: 0x0d8c8fb1, L:/172.18.0.19:17915 - R:/10.0.0.165:1065]
java.lang.NoSuchMethodError: 'com.google.common.base.Objects$ToStringHelper com.google.common.base.Objects.toStringHelper(java.lang.Object)'
        at com.comphenix.protocol.events.ListeningWhitelist.toString(ListeningWhitelist.java:241) ~[?:?]
        at java.lang.String.valueOf(String.java:2951) ~[?:?]
        at java.lang.StringBuilder.append(StringBuilder.java:168) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:273) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:246) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:251) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:285) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:257) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printIterables(PrettyPrinter.java:144) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:277) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:246) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:124) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:102) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:89) ~[?:?]
        at com.comphenix.protocol.error.DetailedErrorReporter.getStringDescription(DetailedErrorReporter.java:478) ~[?:?]
        at com.comphenix.protocol.error.DetailedErrorReporter.reportDetailed(DetailedErrorReporter.java:369) ~[?:?]
        at com.comphenix.protocol.error.DelegatedErrorReporter.reportDetailed(DelegatedErrorReporter.java:63) ~[?:?]
        at com.comphenix.protocol.error.DelegatedErrorReporter.reportDetailed(DelegatedErrorReporter.java:87) ~[?:?]
        at com.comphenix.protocol.compat.netty.independent.NettyProtocolInjector$1.initChannel(NettyProtocolInjector.java:157) ~[?:?]
        at io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:113) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:105) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:597) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:226) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:392) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:379) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at com.comphenix.protocol.compat.netty.independent.NettyProtocolInjector$2.initChannel(NettyProtocolInjector.java:168) [ProtocolLib.jar:3.6.5-SNAPSHOT-b201]
        at io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:113) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:105) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:597) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.access$000(DefaultChannelPipeline.java:44) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline$PendingHandlerAddedTask.execute(DefaultChannelPipeline.java:1387) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAddedForAllHandlers(DefaultChannelPipeline.java:1122) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.invokeHandlerAddedIfNeeded(DefaultChannelPipeline.java:647) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:506) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:419) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:478) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:311) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Thread.java:829) [?:?]
[13:55:50 WARN]: An exception 'java.lang.NullPointerException' [enable DEBUG level for full stacktrace] was thrown by a user handler's exceptionCaught() method while handling the following exception:
java.lang.NullPointerException: null
        at net.minecraft.server.v1_12_R1.NetworkManager.close(NetworkManager.java:250) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.NetworkManager.channelInactive(NetworkManager.java:106) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:377) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:342) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:377) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:342) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.timeout.IdleStateHandler.channelInactive(IdleStateHandler.java:277) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1329) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:908) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:744) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:311) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Thread.java:829) [?:?]
[13:55:50 WARN]: An exception 'java.lang.NullPointerException' [enable DEBUG level for full stacktrace] was thrown by a user handler's exceptionCaught() method while handling the following exception:
java.lang.NullPointerException: null
        at net.minecraft.server.v1_12_R1.NetworkManager.close(NetworkManager.java:250) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.NetworkManager.channelInactive(NetworkManager.java:106) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:377) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:342) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:377) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:342) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.timeout.IdleStateHandler.channelInactive(IdleStateHandler.java:277) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1329) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:908) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:744) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:311) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Thread.java:829) [?:?]
[13:56:05 WARN]: Failed to initialize a channel. Closing: [id: 0xb4be3db4, L:/172.18.0.19:17915 - R:/10.0.0.165:1067]
java.lang.NoSuchMethodError: 'com.google.common.base.Objects$ToStringHelper com.google.common.base.Objects.toStringHelper(java.lang.Object)'
        at com.comphenix.protocol.events.ListeningWhitelist.toString(ListeningWhitelist.java:241) ~[?:?]
        at java.lang.String.valueOf(String.java:2951) ~[?:?]
        at java.lang.StringBuilder.append(StringBuilder.java:168) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:273) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:246) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:251) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:285) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:257) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printIterables(PrettyPrinter.java:144) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printValue(PrettyPrinter.java:277) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:246) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:124) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:102) ~[?:?]
        at com.comphenix.protocol.reflect.PrettyPrinter.printObject(PrettyPrinter.java:89) ~[?:?]
        at com.comphenix.protocol.error.DetailedErrorReporter.getStringDescription(DetailedErrorReporter.java:478) ~[?:?]
        at com.comphenix.protocol.error.DetailedErrorReporter.reportDetailed(DetailedErrorReporter.java:369) ~[?:?]
        at com.comphenix.protocol.error.DelegatedErrorReporter.reportDetailed(DelegatedErrorReporter.java:63) ~[?:?]
        at com.comphenix.protocol.error.DelegatedErrorReporter.reportDetailed(DelegatedErrorReporter.java:87) ~[?:?]
        at com.comphenix.protocol.compat.netty.independent.NettyProtocolInjector$1.initChannel(NettyProtocolInjector.java:157) ~[?:?]
        at io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:113) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:105) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:597) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:226) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:392) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:379) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at com.comphenix.protocol.compat.netty.independent.NettyProtocolInjector$2.initChannel(NettyProtocolInjector.java:168) [ProtocolLib.jar:3.6.5-SNAPSHOT-b201]
        at io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:113) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:105) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:597) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.access$000(DefaultChannelPipeline.java:44) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline$PendingHandlerAddedTask.execute(DefaultChannelPipeline.java:1387) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.callHandlerAddedForAllHandlers(DefaultChannelPipeline.java:1122) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.invokeHandlerAddedIfNeeded(DefaultChannelPipeline.java:647) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:506) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:419) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:478) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:311) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Thread.java:829) [?:?]
[13:56:05 WARN]: An exception 'java.lang.NullPointerException' [enable DEBUG level for full stacktrace] was thrown by a user handler's exceptionCaught() method while handling the following exception:
java.lang.NullPointerException: null
        at net.minecraft.server.v1_12_R1.NetworkManager.close(NetworkManager.java:250) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at net.minecraft.server.v1_12_R1.NetworkManager.channelInactive(NetworkManager.java:106) ~[spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:377) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:342) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:377) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:342) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.handler.timeout.IdleStateHandler.channelInactive(IdleStateHandler.java:277) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1329) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:908) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:744) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:311) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [spigot.jar:git-Spigot-596221b-9a1fc1e]
        at java.lang.Thread.run(Thread.java:829) [?:?]