Hello! In my server bukkit 1.7.10 all mobs spawned with spawners no drop exp. Sorry for my english. There is a list of plugins. Plugins (41): MCItaliaRewards, WorldBorder, WorldEdit, JumpPads, BukkitCompat, MassiveCore, War, Vault, PlotMe, Multiverse-Core, HealthBar, PermissionsEx, CombatTag, TreeAssist, WorldGuard, AntiJoinBot, DamageIndicatorHolograms, SilkSpawners, Marriage, CoreProtect, ChestCommands, CrackShot, Lockette, ProtocolLib, SexyMotd, HolographicDisplays, mcMMO, Essentials, Citizens, Jobs, ServerShop-GUI, EssentialsSpawn, Multiverse-Inventories, AuthMe, CompatNoCheatPlus, Timeismoney, EssentialsChat, Factions, NoCheatPlus, Autorank, FactionChat What is the problem, please? Edit. In the factions world mobs drop exp.