---- Minecraft Crash Report ---- // Don't do that. Time: 6/23/13 9:14 PM Description: Sending packet java.lang.NullPointerException at cl.b(SourceFile:116) at cl.a(SourceFile:41) at jw.b(SourceFile:430) at hj.b(SourceFile:644) at hj.a(SourceFile:79) at bkh.b(SourceFile:73) at net.minecraft.server.MinecraftServer.t(SourceFile:488) at net.minecraft.server.MinecraftServer.s(SourceFile:405) at bke.s(SourceFile:124) at net.minecraft.server.MinecraftServer.run(SourceFile:339) at he.run(SourceFile:582) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at cl.b(SourceFile:116) at cl.a(SourceFile:41) -- Packet being sent -- Details: Packet ID: 4 Packet class: fv Stacktrace: at jw.b(SourceFile:430) at hj.b(SourceFile:644) at hj.a(SourceFile:79) at bkh.b(SourceFile:73) at net.minecraft.server.MinecraftServer.t(SourceFile:488) at net.minecraft.server.MinecraftServer.s(SourceFile:405) at bke.s(SourceFile:124) at net.minecraft.server.MinecraftServer.run(SourceFile:339) at he.run(SourceFile:582) -- System Details -- Details: Minecraft Version: 13w25c Operating System: Windows 7 (x86) version 6.1 Java Version: 1.7.0_21, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 101318560 bytes (96 MB) / 179376128 bytes (171 MB) up to 1037959168 bytes (989 MB) JVM Flags: 1 total; -Xmx1G AABB Pool Size: 16301 (912856 bytes; 0 MB) allocated, 16301 (912856 bytes; 0 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: 1663 (93128 bytes; 0 MB) allocated, 1663 (93128 bytes; 0 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.