---- Minecraft Crash Report ---- // I just don't know what went wrong :( Time: 11/10/13 10:56 PM Description: Starting integrated server java.lang.ExceptionInInitializerError at net.minecraft.server.MinecraftServer.<init>(SourceFile:114) at bsk.<init>(SourceFile:38) at azd.a(SourceFile:1591) at bce.e(SourceFile:162) at bcf.a(SourceFile:214) at bay.a(SourceFile:186) at bce.a(SourceFile:187) at bll.b(SourceFile:851) at azd.ad(SourceFile:780) at azd.e(SourceFile:704) at net.minecraft.client.main.Main.main(SourceFile:103) Caused by: java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:61) 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 ms.<clinit>(SourceFile:31) ... 11 more 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:57) ... 15 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source) at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(Unknown Source) at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source) at java.nio.channels.Pipe.open(Unknown Source) at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source) at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126) ... 18 more Caused by: java.net.ConnectException: Connection refused: connect at sun.nio.ch.Net.connect0(Native Method) at sun.nio.ch.Net.connect(Unknown Source) at sun.nio.ch.Net.connect(Unknown Source) at sun.nio.ch.SocketChannelImpl.connect(Unknown Source) at java.nio.channels.SocketChannel.open(Unknown Source) ... 27 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at net.minecraft.server.MinecraftServer.<init>(SourceFile:114) at bsk.<init>(SourceFile:38) -- Starting integrated server -- Details: Level ID: new qp9r Level Name: new qp9r Stacktrace: at azd.a(SourceFile:1591) at bce.e(SourceFile:162) at bcf.a(SourceFile:214) at bay.a(SourceFile:186) at bce.a(SourceFile:187) -- Screen render details -- Details: Screen name: btj Mouse location: Scaled: (136, 80). Absolute: (273, 318) Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2 Stacktrace: at bll.b(SourceFile:851) at azd.ad(SourceFile:780) at azd.e(SourceFile:704) at net.minecraft.client.main.Main.main(SourceFile:103) -- System Details -- Details: Minecraft Version: 1.7.2 Operating System: Windows 7 (x86) version 6.1 Java Version: 1.7.0_45, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation Memory: 43099264 bytes (41 MB) / 78262272 bytes (74 MB) up to 518979584 bytes (494 MB) JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512m AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 Launched Version: 1.7.2 LWJGL: 2.9.0 OpenGL: Mobile Intel(R) 4 Series Express Chipset Family GL version 2.1.0 - Build 8.15.10.2302, Intel 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) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null Anisotropic Filtering: Off (1)