Vanilla 1.21.8 Network Protocol Error Report

#mcAlgu8
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Raw
Analysis
Minecraft version:
1.21.8
Java version:
21.0.7
1---- Minecraft Network Protocol Error Report ----
2// What we've got here is failure to communicate
3
4Time: 2025-08-05 03:10:34
5Description: Packet handling error
6
7java.net.SocketException: Connection reset
8 at java.base/sun.nio.ch.SocketChannelImpl.throwConnectionReset(SocketChannelImpl.java:401)
9 at java.base/sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:434)
10 at knot//io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:255)
11 at knot//io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1132)
12 at knot//io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:356)
13 at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:151)
14 at knot//io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
15 at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
16 at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
17 at knot//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
18 at knot//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
19 at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
20 at java.base/java.lang.Thread.run(Thread.java:1583)
21
22
23A detailed walkthrough of the error, its code path and all known details is as follows:
24---------------------------------------------------------------------------------------
25
26-- Head --
27Thread: Netty Client IO #3
28Stacktrace:
29 at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)
30
31-- Connection --
32Details:
33 Protocol: play
34 Flow: CLIENTBOUND
35 Is Local: false
36 Server type: OTHER
37 Server brand: vanilla
38Stacktrace:
39 at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)
40 at knot//net.minecraft.class_2600.method_59803(class_2600.java:62)
41 at knot//net.minecraft.class_8673.method_60882(class_8673.java:142)
42 at knot//net.minecraft.class_8673.method_60881(class_8673.java:133)
43 at knot//net.minecraft.class_2535.exceptionCaught(class_2535.java:161)
44 at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346)
45 at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325)
46 at knot//io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317)
47 at knot//io.netty.channel.DefaultChannelPipeline$HeadContext.exceptionCaught(DefaultChannelPipeline.java:1324)
48 at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346)
49 at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325)
50 at knot//io.netty.channel.DefaultChannelPipeline.fireExceptionCaught(DefaultChannelPipeline.java:856)
51 at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.handleReadException(AbstractNioByteChannel.java:125)
52 at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:177)
53 at knot//io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
54 at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
55 at knot//io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
56 at knot//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
57 at knot//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
58 at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
59 at java.base/java.lang.Thread.run(Thread.java:1583)
60
61-- System Details --
62Details:
63 Minecraft Version: 1.21.8
64 Minecraft Version ID: 1.21.8
65 Operating System: Windows 11 (amd64) version 10.0
66 Java Version: 21.0.7, Microsoft
67 Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
68 Memory: 626748800 bytes (597 MiB) / 1509949440 bytes (1440 MiB) up to 2147483648 bytes (2048 MiB)
69 CPUs: 12
70 Processor Vendor: GenuineIntel
71 Processor Name: Intel(R) Core(TM) i5-10400F CPU @ 2.90GHz
72 Identifier: Intel64 Family 6 Model 165 Stepping 3
73 Microarchitecture: Comet Lake
74 Frequency (GHz): 2.90
75 Number of physical packages: 1
76 Number of physical CPUs: 6
77 Number of logical CPUs: 12
78 Graphics card #0 name: NVIDIA GeForce GTX 1650
79 Graphics card #0 vendor: NVIDIA
80 Graphics card #0 VRAM (MiB): 4096.00
81 Graphics card #0 deviceId: VideoController1
82 Graphics card #0 versionInfo: 32.0.15.7640
83 Memory slot #0 capacity (MiB): 16384.00
84 Memory slot #0 clockSpeed (GHz): 2.67
85 Memory slot #0 type: DDR4
86 Virtual memory max (MiB): 23419.35
87 Virtual memory used (MiB): 14899.76
88 Swap memory total (MiB): 7168.00
89 Swap memory used (MiB): 47.81
90 Space in storage for jna.tmpdir (MiB): available: 70431.95, total: 487351.00
91 Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 70431.95, total: 487351.00
92 Space in storage for io.netty.native.workdir (MiB): available: 70431.95, total: 487351.00
93 Space in storage for java.io.tmpdir (MiB): available: 70431.95, total: 487351.00
94 Space in storage for workdir (MiB): available: 70431.95, total: 487351.00
95 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
96 Loaded Shaderpack: superDuperVanilla.zip
97 Profile: MEDIUM (+1 option changed by user)
98
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