---- Minecraft Crash Report ---- // Shall we play a game? Time: 6/9/14 9:57 AM Description: Starting integrated server java.lang.ExceptionInInitializerError at net.minecraft.server.MinecraftServer.(SourceFile:113) at btq.(SourceFile:38) at azl.a(SourceFile:1585) at bbt.a(SourceFile:202) at bco.a(SourceFile:172) at bbt.a(SourceFile:301) at bco.d(SourceFile:232) at bco.k(SourceFile:211) at azl.p(SourceFile:1303) at azl.ah(SourceFile:757) at azl.f(SourceFile:711) 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.(MultithreadEventExecutorGroup.java:61) at io.netty.channel.MultithreadEventLoopGroup.(MultithreadEventLoopGroup.java:49) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:61) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:52) at nb.(SourceFile:31) ... 12 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.(NioEventLoop.java:120) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:57) ... 16 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.(Unknown Source) at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source) at java.nio.channels.Pipe.open(Unknown Source) at sun.nio.ch.WindowsSelectorImpl.(Unknown Source) at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126) ... 19 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) ... 28 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at net.minecraft.server.MinecraftServer.(SourceFile:113) at btq.(SourceFile:38) -- Starting integrated server -- Details: Level ID: New World----- Level Name: New World Stacktrace: at azl.a(SourceFile:1585) at bbt.a(SourceFile:202) at bco.a(SourceFile:172) at bbt.a(SourceFile:301) at bco.d(SourceFile:232) at bco.k(SourceFile:211) -- Affected screen -- Details: Screen name: bcw Stacktrace: at azl.p(SourceFile:1303) at azl.ah(SourceFile:757) at azl.f(SourceFile:711) at net.minecraft.client.main.Main.main(SourceFile:148) -- System Details -- Details: Minecraft Version: 1.7.5 Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.7.0_60, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 346371056 bytes (330 MB) / 386924544 bytes (369 MB) up to 1908932608 bytes (1820 MB) JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G 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: 1.7.5 LWJGL: 2.9.1 OpenGL: AMD Radeon HD 7700 Series GL version 4.2.12217 Compatibility Profile Context 12.104.0.0, ATI Technologies Inc. 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 (US) Profiler Position: N/A (disabled) Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Anisotropic Filtering: Off (1)