my friends and I can't join the server and idk what the problem is. im new to the minecraft coding thingy
---- Minecraft Network Protocol Error Report ----
// Please insert The Internet CD #4
Time: 2025-08-15 18:08:12
Description: Packet handling error
java.net.SocketException: Connection reset
at java.base/sun.nio.ch.SocketChannelImpl.throwConnectionReset(SocketChannelImpl.java:401)
at java.base/sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:434)
at knot//io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:255)
at knot//io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1132)
at knot//io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:356)
at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:151)
at knot//io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
at knot//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
at knot//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:1583)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Netty Client IO #3
Stacktrace:
at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)
-- Connection --
Details:
Protocol: play
Flow: CLIENTBOUND
Is Local: false
Server type: OTHER
Server brand: fabric
Stacktrace:
at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)
at knot//net.minecraft.class_2600.method_59803(class_2600.java:62)
at knot//net.minecraft.class_8673.method_60882(class_8673.java:142)
at knot//net.minecraft.class_8673.method_60881(class_8673.java:133)
at knot//net.minecraft.class_2535.exceptionCaught(class_2535.java:161)
at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346)
at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325)
at knot//io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317)
at knot//io.netty.channel.DefaultChannelPipeline$HeadContext.exceptionCaught(DefaultChannelPipeline.java:1324)
at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346)
at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325)
at knot//io.netty.channel.DefaultChannelPipeline.fireExceptionCaught(DefaultChannelPipeline.java:856)
at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.handleReadException(AbstractNioByteChannel.java:125)
at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:177)
at knot//io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
at knot//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
at knot//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:1583)
-- System Details --
Details:
Minecraft Version: 1.21.8
Minecraft Version ID: 1.21.8
Operating System: Windows 10 (amd64) version 10.0
Java Version: 21.0.7, Microsoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
Memory: 94345248 bytes (89 MiB) / 729808896 bytes (696 MiB) up to 11744051200 bytes (11200 MiB)
CPUs: 12
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i5-10400F CPU @ 2.90GHz
Identifier: Intel64 Family 6 Model 165 Stepping 5
Microarchitecture: Comet Lake
Frequency (GHz): 2.90
Number of physical packages: 1
Number of physical CPUs: 6
Number of logical CPUs: 12
Graphics card #0 name: NVIDIA GeForce GTX 1660 SUPER
Graphics card #0 vendor: NVIDIA
Graphics card #0 VRAM (MiB): 6144.00
Graphics card #0 deviceId: VideoController1
Graphics card #0 versionInfo: 32.0.15.6094
Memory slot #0 capacity (MiB): 8192.00
Memory slot #0 clockSpeed (GHz): 2.67
Memory slot #0 type: DDR4
Memory slot #1 capacity (MiB): 8192.00
Memory slot #1 clockSpeed (GHz): 2.67
Memory slot #1 type: DDR4
Virtual memory max (MiB): 38822.52
Virtual memory used (MiB): 18107.48
Swap memory total (MiB): 22528.00
Swap memory used (MiB): 135.34
Space in storage for jna.tmpdir (MiB): available: 103317.96, total: 487769.97
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 103317.96, total: 487769.97
Space in storage for io.netty.native.workdir (MiB): available: 103317.96, total: 487769.97
Space in storage for java.io.tmpdir (MiB): available: 103317.96, total: 487769.97
Space in storage for workdir (MiB): available: 103317.96, total: 487769.97
JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx11200m -Xms256m
Fabric Mods:
fabric-api: Fabric API 0.131.0+1.21.8
fabric-api-base: Fabric API Base 0.5.0+cd8c0daa2c
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.101+946bf4c32c
fabric-biome-api-v1: Fabric Biome API (v1) 16.0.11+946bf4c32c
fabric-block-api-v1: Fabric Block API (v1) 1.1.3+946bf4c32c
fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.31+946bf4c32c
fabric-command-api-v2: Fabric Command API (v2) 2.3.1+52fff9ec2c
fabric-content-registries-v0: Fabric Content Registries (v0) 10.0.19+946bf4c32c
fabric-convention-tags-v1: Fabric Convention Tags 2.1.41+7f945d5b2c
fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.15.6+eb5df52f2c
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.15+946bf4c32c
fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.11+946bf4c32c
fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.2.6+0b1ef9762c
fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.19+946bf4c32c
fabric-entity-events-v1: Fabric Entity Events (v1) 2.1.2+c9e472732c
fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.0.24+946bf4c32c
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.73+c64c9c5b2c
fabric-item-api-v1: Fabric Item API (v1) 11.5.0+02ce13f42c
fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.14+c5f9bbc12c
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.65+946bf4c32c
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.4+db4dfd852c
fabric-loot-api-v2: Fabric Loot API (v2) 3.0.56+3f89f5a52c
fabric-loot-api-v3: Fabric Loot API (v3) 2.0.3+946bf4c32c
fabric-message-api-v1: Fabric Message API (v1) 6.1.2+946bf4c32c
fabric-model-loading-api-v1: Fabric Model Loading API (v1) 5.2.6+946bf4c32c
fabric-networking-api-v1: Fabric Networking API (v1) 5.0.2+946bf4c32c
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.8+946bf4c32c
fabric-particles-v1: Fabric Particles (v1) 4.1.8+946bf4c32c
fabric-recipe-api-v1: Fabric Recipe API (v1) 8.1.15+946bf4c32c
fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.1.28+946bf4c32c
fabric-renderer-api-v1: Fabric Renderer API (v1) 7.0.3+208eed172c
fabric-renderer-indigo: Fabric Renderer - Indigo 4.0.3+946bf4c32c
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.31+fa6cb72b2c
fabric-rendering-v1: Fabric Rendering (v1) 12.5.0+fbe231d52c
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.25+98e6d6db2c
fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.1.12+020423442c
fabric-screen-api-v1: Fabric Screen API (v1) 2.1.1+277ecf7d2c
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.137+946bf4c32c
fabric-sound-api-v1: Fabric Sound API (v1) 1.0.42+946bf4c32c
fabric-tag-api-v1: Fabric Tag API (v1) 1.2.2+946bf4c32c
fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.6+946bf4c32c
fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.4.1+ac3e15d12c
fabricloader: Fabric Loader 0.17.2
mixinextras: MixinExtras 0.5.0
java: OpenJDK 64-Bit Server VM 21
minecraft: Minecraft 1.21.8
voicechat: Simple Voice Chat 1.21.8-2.5.36
from Aternos:
[21:55:36] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.IllegalAccessError: class me.fzzyhmstrs.fzzy_config.util.PortingUtils tried to access private field net.minecraft.class_3222.field_13995 (me.fzzyhmstrs.fzzy_config.util.PortingUtils and net.minecraft.class_3222 are in unnamed module of loader 'knot' @6302bbb1)
at knot/me.fzzyhmstrs.fzzy_config.util.PortingUtils.getDynamicManager(PortingUtils.kt:52) ~[fzzy_config-0.7.4-fix1+1.21.jar:?]
at knot/me.fzzyhmstrs.fzzy_config.registry.SyncedConfigRegistry.onJoin$fzzy_config(SyncedConfigRegistry.kt:125) ~[fzzy_config-0.7.4-fix1+1.21.jar:?]
at knot/me.fzzyhmstrs.fzzy_config.networking.NetworkEvents.registerServer$lambda$9(NetworkEvents.kt:80) ~[fzzy_config-0.7.4-fix1+1.21.jar:?]
at knot/net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.lambda$static$2(ServerPlayConnectionEvents.java:48) ~[fabric-networking-api-v1-5.1.0+57cb96dd2c-dfa9c42bb69329e3.jar:?]
at knot/net.fabricmc.fabric.impl.networking.server.ServerPlayNetworkAddon.onClientReady(ServerPlayNetworkAddon.java:65) ~[fabric-networking-api-v1-5.1.0+57cb96dd2c-dfa9c42bb69329e3.jar:?]
at knot/net.minecraft.class_3324.handler$zgi000$fabric-networking-api-v1$handlePlayerConnection(class_3324.java:2497) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_3324.method_14570(class_3324.java:209) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_8610.mixinextras$bridge$method_14570$38(class_8610.java) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_8610.wrapOperation$bbj000$polymer-networking$polymerNet$prePlayHandshakeHackfest(class_8610.java:1032) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_8610.method_52408(class_8610.java:152) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_8736.method_53043(class_8736.java:22) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_8736.method_65081(class_8736.java:8) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_2600.method_11072(class_2600.java:27) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_3738.run(class_3738.java:18) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_1255.method_18859(class_1255.java:164) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_4093.method_18859(class_4093.java:23) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_24306(MinecraftServer.java:883) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_18859(MinecraftServer.java:179) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_1255.method_16075(class_1255.java:138) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:865) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_16075(MinecraftServer.java:859) ~[server-intermediary.jar:?]
at knot/net.minecraft.class_1255.method_18857(class_1255.java:147) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_18857(MinecraftServer.java:823) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:830) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:713) ~[server-intermediary.jar:?]
at knot/net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:291) ~[server-intermediary.jar:?]
at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
[21:55:37] [Server thread/ERROR]: This crash report has been saved to: /server/crash-reports/crash-2025-12-27_21.55.37-server.txt
[21:55:37] [Server thread/INFO]: Stopping server
By
violetrose334 · Posted
