---- Minecraft Crash Report ---- // Everything's going to plan. No, really, that was supposed to happen. Time: 5/10/15 5:41 PM Description: Starting integrated server java.lang.ExceptionInInitializerError at net.minecraft.server.MinecraftServer.<init>(SourceFile:120) at bsx.<init>(SourceFile:38) at bao.a(SourceFile:1610) at bdx.e(SourceFile:162) at bdy.a(SourceFile:214) at bcm.a(SourceFile:186) at bdx.a(SourceFile:187) at blt.b(SourceFile:852) at bao.ak(SourceFile:801) at bao.f(SourceFile:728) at net.minecraft.client.main.Main.main(SourceFile:148) 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 nc.<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.SocketException: Permission denied: 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) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(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:120) at bsx.<init>(SourceFile:38) -- Starting integrated server -- Details: Level ID: Run 'n Jump Hero Part 1 Level Name: Run 'n Jump Hero Stacktrace: at bao.a(SourceFile:1610) at bdx.e(SourceFile:162) at bdy.a(SourceFile:214) at bcm.a(SourceFile:186) at bdx.a(SourceFile:187) -- Screen render details -- Details: Screen name: bee Mouse location: Scaled: (259, 125). Absolute: (519, 228) Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2 Stacktrace: at blt.b(SourceFile:852) at bao.ak(SourceFile:801) at bao.f(SourceFile:728) at net.minecraft.client.main.Main.main(SourceFile:148) -- System Details -- Details: Minecraft Version: 1.7.10 Operating System: Windows 7 (x86) version 6.1 Java Version: 1.8.0_45, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 139552952 bytes (133 MB) / 178941952 bytes (170 MB) up to 523501568 bytes (499 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M 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: 1.7.10 LWJGL: 2.9.1 OpenGL: Intel(R) HD Graphics 4000 GL version 3.3.0 - Build 8.15.10.2598, Intel GL Caps: Using GL 1.3 multitexturing. Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported. Anisotropic filtering is supported and maximum anisotropy is 16. Shaders are available because OpenGL 2.1 is supported. Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Resource Packs: [] Current Language: English (UK) Profiler Position: N/A (disabled) Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Anisotropic Filtering: Off (1)