ViaBackwards
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1.20.1 and below can't place certain blocks
'/viaversion dump' Output
https://dump.viaversion.com/512fd7bc993150d868610e0bdab554b2432b77c280908470a374ec4b47724ef9
Console Error
There is none
Bug Description
If I run ViaVersion on velocity and a paper backend and velocity only has ViaVersion and ViaBackwards installed and the paper backend has no plugins installed and I join with version 1.20.1 or lower, I can not place certain blocks such as:
- Andesite Stairs
- Andesite Walls
I haven't tested much more but a user just reported this and I was able to consistently and very easily reproduce it on my local computer.
Steps to Reproduce
- Launch a new paper server with 1.20.4
- Launch a velocity proxy with ViaVersion and ViaBackwards installed
- Join with a client version 1.20.1
- Get an andesite stair or andesite wall and try to place it
Expected Behavior
The blocks should be placed but they vanish within a split second and once you rejoin, they're gone from your inventory
Additional Server Info
All stated above
Checklist
- [X] Via plugins are only running on EITHER the backend servers (e.g. Paper) OR the proxy (e.g. BungeeCord), not on both.
- [X] I have included a ViaVersion dump.
- [X] If applicable, I have included a paste (not a screenshot) of the error.
- [X] I have tried a build from https://ci.viaversion.com/ and the issue still persists.
Please update all Via* plugins from https://ci.viaversion.com/. In case the issue still persists send the new dump and the issue will be reopened
https://dump.viaversion.com/d3fa138ffd96706c7e2e8fc260e850963df0d6749c3a2608cdb1fafe70ee63c8
I can't download any more recent Via* plugins.
Which blocks exactly? I have the same issue with Chiseled Stone Bricks. Happens in 1.20.1 or lower and people cannot place them (sometimes) and they just disappear, also on teleports (sometimes).
Which blocks exactly? I have the same issue with Chiseled Stone Bricks. Happens in 1.20.1 or lower and people cannot place them (sometimes) and they just disappear, also on teleports (sometimes).
As step 4 says, I was able to verify it with these: "Get an andesite stair or andesite wall and try to place it"
Can reproduce.
Can reproduce it since updating ViaVersion from 4.9.3 into 4.10.0, and ViaBackwards from 4.9.2 into 4.10.0
Can reproduce 1.20.4 Server & 1.20.2 Client (Creative mode only - ghost item)
Fixed in https://github.com/ViaVersion/ViaVersion/commit/f1b92fea8d59ffdf7b32ac6213de78c72b5d1238
https://dump.viaversion.com/4ef0e098acce906ef19e29b008b49410fbea2bb78bf268a2148183e78f21d3a2
Please try the latest build(s) from https://ci.viaversion.com/. In case the issue still persists send the new dump
[23:44:36 WARN]: [ViaVersion] ERROR IN Protocol1_20To1_20_2 IN REMAP OF CONFIGURATION 0x08->0xFFFFFFFF
[23:44:36 WARN]: io.netty.handler.codec.EncoderException: com.viaversion.viaversion.exception.InformativeException: Please report this on the Via support Discord or open an issue on the relevant GitHub repository
[23:44:36 WARN]: Source 0: com.viaversion.viabackwards.protocol.protocol1_20to1_20_2.Protocol1_20To1_20_2$$Lambda/0x00000208cff6b678
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:113)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:113)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984)
[23:44:36 WARN]: at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025)
[23:44:36 WARN]: at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.c(NetworkManager.java:449)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.b(NetworkManager.java:431)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.a(NetworkManager.java:393)
[23:44:36 WARN]: at net.minecraft.server.network.ServerCommonPacketListenerImpl.a(ServerCommonPacketListenerImpl.java:255)
[23:44:36 WARN]: at net.minecraft.server.network.ServerCommonPacketListenerImpl.b(ServerCommonPacketListenerImpl.java:240)
[23:44:36 WARN]: at net.minecraft.server.network.ServerConfigurationPacketListenerImpl.m(ServerConfigurationPacketListenerImpl.java:79)
[23:44:36 WARN]: at net.minecraft.server.network.LoginListener.a(LoginListener.java:411)
[23:44:36 WARN]: at net.minecraft.network.protocol.login.ServerboundLoginAcknowledgedPacket.a(ServerboundLoginAcknowledgedPacket.java:18)
[23:44:36 WARN]: at net.minecraft.network.protocol.login.ServerboundLoginAcknowledgedPacket.a(ServerboundLoginAcknowledgedPacket.java:9)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.a(NetworkManager.java:313)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.a(NetworkManager.java:294)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:61)
[23:44:36 WARN]: at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:202)
[23:44:36 WARN]: at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:164)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
[23:44:36 WARN]: at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.lambda$sendRawPacketToServerServerSide$4(UserConnectionImpl.java:250)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.sendRawPacketToServerServerSide(UserConnectionImpl.java:256)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.sendRawPacketToServer(UserConnectionImpl.java:217)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.protocol.packet.PacketWrapperImpl.lambda$sendToServer0$1(PacketWrapperImpl.java:486)
[23:44:36 WARN]: at io.netty.util.concurrent.PromiseTask.runTask(PromiseTask.java:98)
[23:44:36 WARN]: at io.netty.util.concurrent.PromiseTask.run(PromiseTask.java:106)
[23:44:36 WARN]: at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
[23:44:36 WARN]: at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
[23:44:36 WARN]: at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
[23:44:36 WARN]: at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)
[23:44:36 WARN]: at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
[23:44:36 WARN]: at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
[23:44:36 WARN]: at java.base/java.lang.Thread.run(Thread.java:1583)
[23:44:36 WARN]: Caused by: com.viaversion.viaversion.exception.InformativeException: Please report this on the Via support Discord or open an issue on the relevant GitHub repository
[23:44:36 WARN]: Source 0: com.viaversion.viabackwards.protocol.protocol1_20to1_20_2.Protocol1_20To1_20_2$$Lambda/0x00000208cff6b678
[23:44:36 WARN]: Caused by: java.lang.NullPointerException: Cannot invoke "com.viaversion.viaversion.api.data.Mappings.getNewId(int)" because "this.mappings" is null
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.api.data.BiMappingsBase.getNewId(BiMappingsBase.java:42)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.api.data.FullMappingsBase.getNewId(FullMappingsBase.java:100)
[23:44:36 WARN]: at ViaBackwards-4.10.1-SNAPSHOT.jar//com.viaversion.viabackwards.api.data.BackwardsMappings.getNewItemId(BackwardsMappings.java:134)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.rewriter.TagRewriter.handle(TagRewriter.java:189)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.rewriter.TagRewriter.lambda$getGenericHandler$2(TagRewriter.java:158)
[23:44:36 WARN]: at ViaBackwards-4.10.1-SNAPSHOT.jar//com.viaversion.viabackwards.protocol.protocol1_20to1_20_2.Protocol1_20To1_20_2.lambda$registerPackets$11(Protocol1_20To1_20_2.java:157)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.api.protocol.AbstractProtocol.transform(AbstractProtocol.java:399)
[23:44:36 WARN]: at ViaBackwards-4.10.1-SNAPSHOT.jar//com.viaversion.viabackwards.protocol.protocol1_20to1_20_2.Protocol1_20To1_20_2.transform(Protocol1_20To1_20_2.java:180)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.protocol.packet.PacketWrapperImpl.apply(PacketWrapperImpl.java:371)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.protocol.ProtocolPipelineImpl.transform(ProtocolPipelineImpl.java:120)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.transform(UserConnectionImpl.java:330)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.transformClientbound(UserConnectionImpl.java:308)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.bukkit.handlers.BukkitEncodeHandler.encode(BukkitEncodeHandler.java:58)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.bukkit.handlers.BukkitEncodeHandler.encode(BukkitEncodeHandler.java:35)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:90)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:113)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:113)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984)
[23:44:36 WARN]: at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025)
[23:44:36 WARN]: at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.c(NetworkManager.java:449)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.b(NetworkManager.java:431)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.a(NetworkManager.java:393)
[23:44:36 WARN]: at net.minecraft.server.network.ServerCommonPacketListenerImpl.a(ServerCommonPacketListenerImpl.java:255)
[23:44:36 WARN]: at net.minecraft.server.network.ServerCommonPacketListenerImpl.b(ServerCommonPacketListenerImpl.java:240)
[23:44:36 WARN]: at net.minecraft.server.network.ServerConfigurationPacketListenerImpl.m(ServerConfigurationPacketListenerImpl.java:79)
[23:44:36 WARN]: at net.minecraft.server.network.LoginListener.a(LoginListener.java:411)
[23:44:36 WARN]: at net.minecraft.network.protocol.login.ServerboundLoginAcknowledgedPacket.a(ServerboundLoginAcknowledgedPacket.java:18)
[23:44:36 WARN]: at net.minecraft.network.protocol.login.ServerboundLoginAcknowledgedPacket.a(ServerboundLoginAcknowledgedPacket.java:9)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.a(NetworkManager.java:313)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.a(NetworkManager.java:294)
[23:44:36 WARN]: at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:61)
[23:44:36 WARN]: at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:202)
[23:44:36 WARN]: at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:164)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
[23:44:36 WARN]: at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
[23:44:36 WARN]: at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.lambda$sendRawPacketToServerServerSide$4(UserConnectionImpl.java:250)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.sendRawPacketToServerServerSide(UserConnectionImpl.java:256)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.connection.UserConnectionImpl.sendRawPacketToServer(UserConnectionImpl.java:217)
[23:44:36 WARN]: at ViaVersion-4.10.1-SNAPSHOT.jar//com.viaversion.viaversion.protocol.packet.PacketWrapperImpl.lambda$sendToServer0$1(PacketWrapperImpl.java:486)
[23:44:36 WARN]: at io.netty.util.concurrent.PromiseTask.runTask(PromiseTask.java:98)
[23:44:36 WARN]: at io.netty.util.concurrent.PromiseTask.run(PromiseTask.java:106)
[23:44:36 WARN]: at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
[23:44:36 WARN]: at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
[23:44:36 WARN]: at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
[23:44:36 WARN]: at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)
[23:44:36 WARN]: at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
[23:44:36 WARN]: at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
[23:44:36 WARN]: at java.base/java.lang.Thread.run(Thread.java:1583)
Fixed in https://github.com/ViaVersion/ViaBackwards/commit/093328db11201892b76f4930c9eab61708295a94