Minecraft Crash Report ----
// I feel sad now 😞
Time: 8/28/21, 7:33 PM
Description: mouseClicked event handler
java.lang.IllegalStateException: failed to create a child event loop
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47)
at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59)
at aci.f(SourceFile:56)
at com.google.common.base.Suppliers$NonSerializableMemoizingSupplier.get(Suppliers.java:160)
at agx.a(SourceFile:19)
at aci.a(SourceFile:148)
at dvp.a(SourceFile:2083)
at dvp.a(SourceFile:1939)
at eel$a.h(SourceFile:437)
at eel$a.b(SourceFile:343)
at eel$a.a(SourceFile:279)
at dww.a(SourceFile:359)
at dxx.a(SourceFile:27)
at dvq.b(SourceFile:94)
at eaq.a(SourceFile:490)
at dvq.a(SourceFile:94)
at dvq.c(SourceFile:165)
at aqv.execute(SourceFile:101)
at dvq.b(SourceFile:165)
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101)
at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:172)
at dpr.e(SourceFile:310)
at dvp.f(SourceFile:1137)
at dvp.e(SourceFile:728)
at net.minecraft.client.main.Main.main(SourceFile:217)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:177)
at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:151)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84)
... 31 more
Caused by: java.io.IOException: Unable to establish loopback connection
at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101)
at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:67)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
at java.base/sun.nio.ch.PipeImpl.<init>(PipeImpl.java:194)
at java.base/sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:143)
at java.base/sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175)
... 35 more
Caused by: java.net.SocketException: Invalid argument: connect
at java.base/sun.nio.ch.Net.connect0(Native Method)
at java.base/sun.nio.ch.Net.connect(Net.java:576)
at java.base/sun.nio.ch.Net.connect(Net.java:583)
at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:851)
at java.base/java.nio.channels.SocketChannel.open(SocketChannel.java:285)
at java.base/sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:131)
at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83)
... 41 more
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
– Head –
Thread: Render thread
Stacktrace:
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47)
at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59)
at aci.f(SourceFile:56)
at com.google.common.base.Suppliers$NonSerializableMemoizingSupplier.get(Suppliers.java:160)
at agx.a(SourceFile:19)
at aci.a(SourceFile:148)
at dvp.a(SourceFile:2083)
at dvp.a(SourceFile:1939)
at eel$a.h(SourceFile:437)
at eel$a.b(SourceFile:343)
at eel$a.a(SourceFile:279)
at dww.a(SourceFile:359)
at dxx.a(SourceFile:27)
at dvq.b(SourceFile:94)
– Affected screen –
Details:
Screen name: eei
Stacktrace:
at eaq.a(SourceFile:490)
at dvq.a(SourceFile:94)
at dvq.c(SourceFile:165)
at aqv.execute(SourceFile:101)
at dvq.b(SourceFile:165)
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101)
at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:172)
– Last reload –
Details:
Reload number: 1
Reload reason: initial
Finished: Yes
Packs: Default, Programmer Art
Stacktrace:
at dvx.a(SourceFile:49)
at dvp.c(SourceFile:2406)
at dvp.e(SourceFile:747)
at net.minecraft.client.main.Main.main(SourceFile:217)
– System Details –
Details:
Minecraft Version: 1.17.1
Minecraft Version ID: 1.17.1
Operating System: Windows 7 (amd64) version 6.1
Java Version: 16.0.1, Microsoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
Memory: 977509816 bytes (932 MiB) / 1744830464 bytes (1664 MiB) up to 2147483648 bytes (2048 MiB)
CPUs: 4
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i7-2617M CPU @ 1.50GHz
Identifier: Intel64 Family 6 Model 42 Stepping 7
Microarchitecture: Sandy Bridge (Client)
Frequency (GHz): 1.50
Number of physical packages: 1
Number of physical CPUs: 2
Number of logical CPUs: 4
Graphics card #0 name: NVIDIA GeForce GT 540M
Graphics card #0 vendor: NVIDIA (0x10de)
Graphics card #0 VRAM (MB): 2048.00
Graphics card #0 deviceId: 0x0df4
Graphics card #0 versionInfo: DriverVersion=23.21.13.9135
Memory slot #0 capacity (MB): 4096.00
Memory slot #0 clockSpeed (GHz): 1.33
Memory slot #0 type: Unknown
Memory slot #1 capacity (MB): 4096.00
Memory slot #1 clockSpeed (GHz): 1.33
Memory slot #1 type: Unknown
Virtual memory max (MB): 16277.86
Virtual memory used (MB): 7456.61
Swap memory total (MB): 8138.00
Swap memory used (MB): 118.44
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
Launched Version: 1.17.1
Backend library: LWJGL version 3.2.2 build 10
Backend API: GeForce GT 540M/PCIe/SSE2 GL version 3.2.0 NVIDIA 391.35, NVIDIA Corporation
Window size: 854x480
GL Caps: Using framebuffer using OpenGL 3.2
GL debug messages:
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
Type: Integrated Server (map_client.txt)
Graphics mode: fancy
Resource Packs: vanilla, programer_art
Current Language: English (US)
CPU: 4x Intel(R) Core(TM) i7-2617M CPU @ 1.50GHz
Player Count: 0 / 8; []
Data Packs: vanilla
This error only appears on newer versions of MC, older versions allow me to create single player worlds as well as join servers running older versions. Ive tried turning off firewall and nothing changed, any feedback will be much appreciated
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Thank you for your report!
We're tracking this issue in MC-34749, so this ticket is being resolved and linked as a duplicate.
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