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  1. Minecraft: Java Edition
  2. MC-240886

I can't log into a single world or any server.

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 1.17.1
    • None
    • I have a windows 11 system.
    • Unconfirmed
    • (Unassigned)

      I got this problem after updating the microsoft launcher.

      ---- Minecraft Crash Report ----
      // Hey, that tickles! Hehehe!

      Time: 07.11.2021, 14:28
      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:274)
      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.glfwWaitEventsTimeout(GLFW.java:3174)
      at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:190)
      at dvp.f(SourceFile:1140)
      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)
      ... 30 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)
      ... 34 more
      Caused by: java.net.SocketException: Invalid argument: connect
      at java.base/sun.nio.ch.UnixDomainSockets.connect0(Native Method)
      at java.base/sun.nio.ch.UnixDomainSockets.connect(UnixDomainSockets.java:146)
      at java.base/sun.nio.ch.UnixDomainSockets.connect(UnixDomainSockets.java:142)
      at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:849)
      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)
      ... 40 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:274)
      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.glfwWaitEventsTimeout(GLFW.java:3174)

      – Last reload –
      Details:
      Reload number: 1
      Reload reason: initial
      Finished: Yes
      Packs: Default
      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 10 (amd64) version 10.0
      Java Version: 16.0.1, Microsoft
      Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
      Memory: 595627968 bytes (568 MiB) / 2147483648 bytes (2048 MiB) up to 2147483648 bytes (2048 MiB)
      CPUs: 4
      Processor Vendor: GenuineIntel
      Processor Name: Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz
      Identifier: Intel64 Family 6 Model 94 Stepping 3
      Microarchitecture: Skylake (Client)
      Frequency (GHz): 3,19
      Number of physical packages: 1
      Number of physical CPUs: 4
      Number of logical CPUs: 4
      Graphics card #0 name: NVIDIA GeForce GTX 960
      Graphics card #0 vendor: NVIDIA (0x10de)
      Graphics card #0 VRAM (MB): 4095,00
      Graphics card #0 deviceId: 0x1401
      Graphics card #0 versionInfo: DriverVersion=30.0.15.1031
      Memory slot #0 capacity (MB): 8192,00
      Memory slot #0 clockSpeed (GHz): 2,13
      Memory slot #0 type: DDR4
      Memory slot #1 capacity (MB): 8192,00
      Memory slot #1 clockSpeed (GHz): 2,13
      Memory slot #1 type: DDR4
      Virtual memory max (MB): 18763,56
      Virtual memory used (MB): 10001,05
      Swap memory total (MB): 2432,00
      Swap memory used (MB): 0,96
      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: NVIDIA GeForce GTX 960/PCIe/SSE2 GL version 3.2.0 NVIDIA 510.31, NVIDIA Corporation
      Window size: 1920x1080
      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: fabulous
      Resource Packs:
      Current Language: Русский (Россия)
      CPU: 4x Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz
      Player Count: 0 / 8; []
      Data Packs: vanilla

      i have account microsoft minecraft, and I have a windows 11 system.
      I reinstalled java and disabled all antiviruses along with the firewall.

      The game crashed whilst mouseclicked event handler Error: java.lang.IllegalStateException: failed to create a child event loop Код завершения: -1

            Unassigned Unassigned
            Defend7292 Alexey
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              Created:
              Updated:
              Resolved: