---- Minecraft Crash Report ---- // Shall we play a game? Time: 7/2/13 9:40 PM Description: Sending packet java.lang.NullPointerException at cm.b(SourceFile:116) at cm.a(SourceFile:41) at jx.b(SourceFile:436) at hk.b(SourceFile:644) at hk.a(SourceFile:79) at bkr.b(SourceFile:73) at net.minecraft.server.MinecraftServer.t(SourceFile:488) at net.minecraft.server.MinecraftServer.s(SourceFile:405) at bko.s(SourceFile:124) at net.minecraft.server.MinecraftServer.run(SourceFile:339) at hf.run(SourceFile:582) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at cm.b(SourceFile:116) at cm.a(SourceFile:41) -- Packet being sent -- Details: Packet ID: 4 Packet class: fw Stacktrace: at jx.b(SourceFile:436) at hk.b(SourceFile:644) at hk.a(SourceFile:79) at bkr.b(SourceFile:73) at net.minecraft.server.MinecraftServer.t(SourceFile:488) at net.minecraft.server.MinecraftServer.s(SourceFile:405) at bko.s(SourceFile:124) at net.minecraft.server.MinecraftServer.run(SourceFile:339) at hf.run(SourceFile:582) -- System Details -- Details: Minecraft Version: 1.6.1 Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.7.0_01, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 196533720 bytes (187 MB) / 578027520 bytes (551 MB) up to 954466304 bytes (910 MB) JVM Flags: 1 total; -Xmx1G AABB Pool Size: 272622 (15266832 bytes; 14 MB) allocated, 272622 (15266832 bytes; 14 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63 Profiler Position: N/A (disabled) Vec3 Pool Size: 20434 (1144304 bytes; 1 MB) allocated, 20434 (1144304 bytes; 1 MB) used Player Count: 0 / 8; [] Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.