2015-07-28T08:12:48.623965241Z 	at org.bukkit.craftbukkit.Main.main(Main.java:193) [server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.623965241Z 	at net.minecraft.server.v1_8_R3.MinecraftServer.main(MinecraftServer.java:926) [server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.623965241Z 	at net.minecraft.server.v1_8_R3.DedicatedServer.(DedicatedServer.java:43) ~[server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.623965241Z 	at net.minecraft.server.v1_8_R3.MinecraftServer.(MinecraftServer.java:136) ~[server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.623965241Z 	at net.minecraft.server.v1_8_R3.UserCache.(UserCache.java:70) ~[server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.623965241Z 	at net.minecraft.server.v1_8_R3.UserCache.b(UserCache.java:191) ~[server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.623965241Z 	at com.google.common.collect.Lists.reverse(Lists.java:759) ~[server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.623965241Z 	at com.google.common.collect.Lists$ReverseList.(Lists.java:767) ~[server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.621124919Z 	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213) ~[server.jar:git-Spigot-44c59bf-1880a9c]
2015-07-28T08:12:48.621012444Z java.lang.NullPointerException
2015-07-28T08:12:48.621012444Z Failed to start the minecraft server