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  1. Minecraft: Java Edition
  2. MC-77924

Minecraft not working

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    • Icon: Bug Bug
    • Resolution: Invalid
    • None
    • Minecraft 1.8, Minecraft 1.8.3
    • None
    • Minecraft hasnt been working well when I open a single player map it crashes and i cant join multiplayer maps.
    • Unconfirmed

      ---- Minecraft Crash Report ----
      // I just don't know what went wrong

      Time: 2/21/15 2:56 PM
      Description: Updating screen events

      java.lang.IllegalStateException: failed to create a child event loop
      at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:68)
      at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49)
      at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61)
      at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:52)
      at lm$1.a(SourceFile:44)
      at lm$1.b(SourceFile:41)
      at np.c(SourceFile:10)
      at lm.a(SourceFile:121)
      at avf.a(SourceFile:1941)
      at axc.a(SourceFile:210)
      at axv.a(SourceFile:350)
      at axc.a(SourceFile:350)
      at axv.k(SourceFile:413)
      at axv.p(SourceFile:390)
      at avf.s(SourceFile:1497)
      at avf.av(SourceFile:888)
      at avf.a(SourceFile:325)
      at net.minecraft.client.main.Main.main(SourceFile:124)
      Caused by: io.netty.channel.ChannelException: failed to open a new selector
      at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:128)
      at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:120)
      at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87)
      at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64)
      ... 17 more
      Caused by: java.io.IOException: Unable to establish loopback connection
      at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101)
      at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68)
      at java.security.AccessController.doPrivileged(Native Method)
      at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170)
      at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
      at java.nio.channels.Pipe.open(Pipe.java:155)
      at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127)
      at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
      at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126)
      ... 20 more
      Caused by: java.net.SocketException: Permission denied: connect
      at sun.nio.ch.Net.connect0(Native Method)
      at sun.nio.ch.Net.connect(Net.java:457)
      at sun.nio.ch.Net.connect(Net.java:449)
      at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:647)
      at java.nio.channels.SocketChannel.open(SocketChannel.java:189)
      at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:130)
      at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83)
      ... 28 more

      A detailed walkthrough of the error, its code path and all known details is as follows:
      ---------------------------------------------------------------------------------------

      – Head –
      Stacktrace:
      at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:68)
      at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49)
      at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61)
      at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:52)
      at lm$1.a(SourceFile:44)
      at lm$1.b(SourceFile:41)
      at np.c(SourceFile:10)
      at lm.a(SourceFile:121)
      at avf.a(SourceFile:1941)
      at axc.a(SourceFile:210)
      at axv.a(SourceFile:350)
      at axc.a(SourceFile:350)
      at axv.k(SourceFile:413)
      at axv.p(SourceFile:390)

      – Affected screen –
      Details:
      Screen name: ayb
      Stacktrace:
      at avf.s(SourceFile:1497)
      at avf.av(SourceFile:888)
      at avf.a(SourceFile:325)
      at net.minecraft.client.main.Main.main(SourceFile:124)

      – System Details –
      Details:
      Minecraft Version: 1.8.3
      Operating System: Windows 7 (amd64) version 6.1
      CPU: 8x Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz
      Java Version: 1.8.0_25, Oracle Corporation
      Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
      Memory: 117628408 bytes (112 MB) / 329584640 bytes (314 MB) up to 1060372480 bytes (1011 MB)
      JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
      IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
      Launched Version: 1.8.3
      LWJGL: 2.9.4
      OpenGL: GeForce GTX 670M/PCIe/SSE2 GL version 4.4.0 NVIDIA 344.75, 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: No
      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)

            Unassigned Unassigned
            Dake3601 Keven Arroyo
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              Created:
              Updated:
              Resolved: