233a344a455
本帖最后由 233a344a455 于 2019-1-26 14:12 编辑

rt,服务器启动正常,但客户端无法进入,提示“连接终止”

minecraft 1.12.2
spongeforge-1.12.2-2768-7.1.4
forge-1.12.2-14.23.5.2768



客户端mod列表:



服务端mod列表:




客户端无异常输出,服务器输出部分如下(全部见附件):

[13:33:39] [Netty Server IO #1/ERROR] [FML]: Exception caught during firing event net.minecraftforge.fml.common.network.FMLNetworkEvent$CustomPacketRegistrationEvent@531f989d:
java.lang.ClassCastException: <font color="Magenta">net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler</font>
        at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) [EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) [EventBus.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) [FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) [FMLCommonHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) [ChannelRegistrationHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) [ChannelRegistrationHandler.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: Index: 1 Listeners:
[13:33:39] [Netty Server IO #1/ERROR] [FML]: 0: HIGHEST
[13:33:39] [Netty Server IO #1/ERROR] [FML]: 1: ASM: org.spongepowered.mod.network.SpongeModNetworkManager@3b68a6be onCustomPacketRegistration(Lnet/minecraftforge/fml/common/network/FMLNetworkEvent$CustomPacketRegistrationEvent;)V
[13:33:39] [Netty Server IO #1/ERROR] [FML]: ChannelRegistrationHandler exception
<font color="Magenta">java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler</font>
        at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: FMLIndexedMessageCodec exception caught
java.lang.ClassCastException: <font color="Magenta">net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler</font>
        at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: <font color="Magenta">HandshakeMessageHandler exception
java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler</font>
        at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: NetworkDispatcher exception
java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler
        at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
        at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) ~[minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) ~[NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) ~[NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) ~[NetworkDispatcher.class:?]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Server thread/INFO] [net.minecraft.network.NetHandlerPlayServer]: Delta_0 lost connection: Internal Exception: java.lang.ClassCastException:<font color="Magenta"> net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler</font>
[13:33:39] [Server thread/INFO] [net.minecraft.server.dedicated.DedicatedServer]: Delta_0 left the game

似乎原因为:
java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler


求解。。。



2021.12 数据,可能有更多内容rt,服务器启动正常,但客户端无法进入,提示“连接终止”


minecraft 1.12.2
spongeforge-1.12.2-2768-7.1.4
forge-1.12.2-14.23.5.2768




客户端mod列表:





服务端mod列表:





客户端无异常输出,服务器输出部分如下(全部见附件):


[13:33:39] [Netty Server IO #1/ERROR] [FML]: Exception caught during firing event net.minecraftforge.fml.common.network.FMLNetworkEvent$CustomPacketRegistrationEvent@531f989d:
java.lang.ClassCastException: &lt;font color=&quot;Magenta&quot;&gt;net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler&lt;/font&gt;
  at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) [EventBus.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) [EventBus.class:?]
  at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) [FMLServerHandler.class:?]
  at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) [FMLCommonHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) [ChannelRegistrationHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) [ChannelRegistrationHandler.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
  at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
  at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: Index: 1 Listeners:
[13:33:39] [Netty Server IO #1/ERROR] [FML]: 0: HIGHEST
[13:33:39] [Netty Server IO #1/ERROR] [FML]: 1: ASM: org.spongepowered.mod.network.SpongeModNetworkManager@3b68a6be onCustomPacketRegistration(Lnet/minecraftforge/fml/common/network/FMLNetworkEvent$CustomPacketRegistrationEvent;)V
[13:33:39] [Netty Server IO #1/ERROR] [FML]: ChannelRegistrationHandler exception
&lt;font color=&quot;Magenta&quot;&gt;java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler&lt;/font&gt;
  at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
  at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
  at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
  at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
  at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: FMLIndexedMessageCodec exception caught
java.lang.ClassCastException: &lt;font color=&quot;Magenta&quot;&gt;net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler&lt;/font&gt;
  at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
  at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
  at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
  at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
  at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: &lt;font color=&quot;Magenta&quot;&gt;HandshakeMessageHandler exception
java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler&lt;/font&gt;
  at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
  at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
  at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [minecraft_server.1.12.2.jar:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) [NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) [NetworkDispatcher.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
  at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
  at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Netty Server IO #1/ERROR] [FML]: NetworkDispatcher exception
java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler
  at org.spongepowered.mod.network.SpongeModNetworkManager.onCustomPacketRegistration(SpongeModNetworkManager.java:92) ~[SpongeModNetworkManager.class:1.12.2-2768-7.1.4]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_221_SpongeModNetworkManager_onCustomPacketRegistration_CustomPacketRegistrationEvent.invoke(.dynamic) ~[?:?]
  at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:687) ~[EventBus.class:?]
  at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:641) ~[EventBus.class:?]
  at net.minecraftforge.fml.server.FMLServerHandler.fireNetRegistrationEvent(FMLServerHandler.java:310) ~[FMLServerHandler.class:?]
  at net.minecraftforge.fml.common.FMLCommonHandler.fireNetRegistrationEvent(FMLCommonHandler.java:610) ~[FMLCommonHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:49) ~[ChannelRegistrationHandler.class:?]
  at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) ~[minecraft_server.1.12.2.jar:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:434) ~[NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:264) ~[NetworkDispatcher.class:?]
  at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) ~[NetworkDispatcher.class:?]
  at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?]
  at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?]
  at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?]
  at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
[13:33:39] [Server thread/INFO] [net.minecraft.network.NetHandlerPlayServer]: Delta_0 lost connection: Internal Exception: java.lang.ClassCastException:&lt;font color=&quot;Magenta&quot;&gt; net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler&lt;/font&gt;
[13:33:39] [Server thread/INFO] [net.minecraft.server.dedicated.DedicatedServer]: Delta_0 left the game

似乎原因为:
java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1 cannot be cast to org.spongepowered.mod.interfaces.IMixinNetPlayHandler



求解。。。



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