Fake player disconnect with an error

[ericzhu1228]

[07:37:11 WARN]: [ReallyFakePlayers] Fake player Nikolaos disconnected with an error! io.netty.handler.codec.DecoderException: java.lang.IllegalArgumentException: Invalid packet id: 105 at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:499) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageCodec.channelRead(ByteToMessageCodec.java:103) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageCodec.channelRead(ByteToMessageCodec.java:103) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:333) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:454) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageCodec.channelRead(ByteToMessageCodec.java:103) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286) ~[netty-handler-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800) ~[netty-transport-classes-epoll-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:499) ~[netty-transport-classes-epoll-4.1.87.Final.jar:4.1.87.Final] at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:397) ~[netty-transport-classes-epoll-4.1.87.Final.jar:4.1.87.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.87.Final.jar:4.1.87.Final] at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.87.Final.jar:4.1.87.Final] at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.87.Final.jar:4.1.87.Final] at java.lang.Thread.run(Thread.java:833) ~[?:?] Caused by: java.lang.IllegalArgumentException: Invalid packet id: 105 at com.github.steveice10.packetlib.packet.PacketProtocol.createClientboundPacket(PacketProtocol.java:156) ~[ReallyFakePlayers-3.0.4.jar:?] at com.github.steveice10.mc.protocol.MinecraftProtocol.createClientboundPacket(MinecraftProtocol.java:207) ~[ReallyFakePlayers-3.0.4.jar:?] at com.github.steveice10.packetlib.tcp.TcpPacketCodec.decode(TcpPacketCodec.java:62) ~[ReallyFakePlayers-3.0.4.jar:?] at io.netty.handler.codec.ByteToMessageCodec$1.decode(ByteToMessageCodec.java:42) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:529) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:468) ~[netty-codec-4.1.87.Final.jar:4.1.87.Final] ... 34 more

[marlester-dev]

Please try to change join-ip and join-port in config.yml. Your server may be blocking the direct connections.