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 ua.f(SourceFile:55)
at ua$$Lambda$1390/930531607.get(Unknown Source)
at xm.a(SourceFile:16)
at ua.a(SourceFile:136)
at cfi.a(SourceFile:1486)
at cmr.i(SourceFile:294)
at cmr.e(SourceFile:223)
at cmr.mouseClicked(SourceFile:169)
at cgv.a(SourceFile:21)
at cha.mouseClicked(SourceFile:278)
at chf.mouseClicked(SourceFile:46)
at cfk.b(SourceFile:83)
at cfk$$Lambda$920/1542359267.run(Unknown Source)
at cjs.a(SourceFile:430)
at cfk.a(SourceFile:83)
at cfk$$Lambda$770/1725073500.invoke(Unknown Source)
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:3029)
at cfs.a(SourceFile:308)
at cfi.c(SourceFile:872)
at cfi.a(SourceFile:392)
at net.minecraft.client.main.Main.main(SourceFile:144)
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)
... 29 more
Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170)
at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
at java.nio.channels.Pipe.open(Pipe.java:155)
at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127)
at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175)
... 33 more
Caused by: java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:437)
at sun.nio.ch.Net.bind(Net.java:429)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:67)
at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:124)
at 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: Client 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 ua.f(SourceFile:55)
at ua$$Lambda$1390/930531607.get(Unknown Source)
at xm.a(SourceFile:16)
at ua.a(SourceFile:136)
at cfi.a(SourceFile:1486)
at cmr.i(SourceFile:294)
at cmr.e(SourceFile:223)
at cmr.mouseClicked(SourceFile:169)
at cgv.a(SourceFile:21)
at cha.mouseClicked(SourceFile:278)
at chf.mouseClicked(SourceFile:46)
at cfk.b(SourceFile:83)
at cfk$$Lambda$920/1542359267.run(Unknown Source)
-- Affected screen --
Details:
Screen name: cmq
Stacktrace:
at cjs.a(SourceFile:430)
at cfk.a(SourceFile:83)
at cfk$$Lambda$770/1725073500.invoke(Unknown Source)
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:3029)
at cfs.a(SourceFile:308)
at cfi.c(SourceFile:872)
at cfi.a(SourceFile:392)
at net.minecraft.client.main.Main.main(SourceFile:144)
-- System Details --
Details:
Minecraft Version: 1.13
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 648702616 bytes (618 MB) / 1728053248 bytes (1648 MB) up to 4294967296 bytes (4096 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Launched Version: 1.13
LWJGL: 3.1.6 build 14
OpenGL: GeForce GTX 1050 Ti/PCIe/SSE2 GL version 4.6.0 NVIDIA 398.82, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz
I have tried reinstall minecraft and VGA driver then reboot OS, still error. help anyone
Say something silly, Laugh 'til it hurts, Take a risk, Sing out loud, Rock the boat, Shake things up, Flirt with disaster, Buy something frivolous, Color outside the lines, Cause a scene, Order dessert, Make waves, Get carried away, Have a great day!
I launched minecraft, create new world or joined an existing world, minecraft stuck at "saving world" then crash.
---- Minecraft Crash Report ----
// This doesn't make any sense!
Time: 18/08/05 11:21
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 ua.f(SourceFile:55)
at ua$$Lambda$1390/930531607.get(Unknown Source)
at xm.a(SourceFile:16)
at ua.a(SourceFile:136)
at cfi.a(SourceFile:1486)
at cmr.i(SourceFile:294)
at cmr.e(SourceFile:223)
at cmr.mouseClicked(SourceFile:169)
at cgv.a(SourceFile:21)
at cha.mouseClicked(SourceFile:278)
at chf.mouseClicked(SourceFile:46)
at cfk.b(SourceFile:83)
at cfk$$Lambda$920/1542359267.run(Unknown Source)
at cjs.a(SourceFile:430)
at cfk.a(SourceFile:83)
at cfk$$Lambda$770/1725073500.invoke(Unknown Source)
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:3029)
at cfs.a(SourceFile:308)
at cfi.c(SourceFile:872)
at cfi.a(SourceFile:392)
at net.minecraft.client.main.Main.main(SourceFile:144)
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)
... 29 more
Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170)
at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
at java.nio.channels.Pipe.open(Pipe.java:155)
at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127)
at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175)
... 33 more
Caused by: java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:437)
at sun.nio.ch.Net.bind(Net.java:429)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:67)
at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:124)
at 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: Client 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 ua.f(SourceFile:55)
at ua$$Lambda$1390/930531607.get(Unknown Source)
at xm.a(SourceFile:16)
at ua.a(SourceFile:136)
at cfi.a(SourceFile:1486)
at cmr.i(SourceFile:294)
at cmr.e(SourceFile:223)
at cmr.mouseClicked(SourceFile:169)
at cgv.a(SourceFile:21)
at cha.mouseClicked(SourceFile:278)
at chf.mouseClicked(SourceFile:46)
at cfk.b(SourceFile:83)
at cfk$$Lambda$920/1542359267.run(Unknown Source)
-- Affected screen --
Details:
Screen name: cmq
Stacktrace:
at cjs.a(SourceFile:430)
at cfk.a(SourceFile:83)
at cfk$$Lambda$770/1725073500.invoke(Unknown Source)
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:3029)
at cfs.a(SourceFile:308)
at cfi.c(SourceFile:872)
at cfi.a(SourceFile:392)
at net.minecraft.client.main.Main.main(SourceFile:144)
-- System Details --
Details:
Minecraft Version: 1.13
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 648702616 bytes (618 MB) / 1728053248 bytes (1648 MB) up to 4294967296 bytes (4096 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Launched Version: 1.13
LWJGL: 3.1.6 build 14
OpenGL: GeForce GTX 1050 Ti/PCIe/SSE2 GL version 4.6.0 NVIDIA 398.82, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz
I have tried reinstall minecraft and VGA driver then reboot OS, still error. help anyone
See for Known Incompatible Software here: https://minecraftirc.net/support-articles/known-incompatible-software/
Read the FAQs: https://www.minecraftforum.net/forums/support/java-edition-support/2914616-1-13-faqs-read-before-posting