[14:22:36] [Server thread/INFO]: Starting minecraft server version 1.7.10
[14:23:36] [Server thread/INFO]: Loading properties
[14:23:36] [Server thread/INFO]: Default game type: SURVIVAL
[14:23:36] [Server thread/INFO]: Generating keypair
[14:23:37] [Server thread/INFO]: Starting Minecraft server on *:25565
[14:24:07] [Server thread/INFO]: Preparing level "world"
[14:24:10] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: Could not initialize class Reflector
	at net.minecraft.crash.CrashReport.func_71504_g(CrashReport.java:163) ~[b.class:?]
	at net.minecraft.crash.CrashReport.<init>(CrashReport.java:55) ~[b.class:?]
	at net.minecraft.crash.CrashReport.func_85055_a(CrashReport.java:442) ~[b.class:?]
	at net.minecraft.world.World.<init>(World.java:264) ~[ahb.class:?]
	at net.minecraft.world.WorldServer.<init>(WorldServer.java:97) ~[mt.class:?]
	at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:219) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:258) ~[lt.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]