Bukkit

What steps will reproduce the problem?
1.Installed on server 1.8.7 Spigot
2 Start Server

What is the expected output? What do you see instead?

No errors

What version of the product are you using?
3.0

Do you have an error log of what happened?
PASTED:::
15.11 22:36:27 [Multicraft] Server stopped
15.11 22:36:25 [Multicraft] Server shut down
15.11 22:36:24 [Server] INFO Saving chunks for level 'tcpsurvival_the_end'/The End
15.11 22:36:24 [Server] INFO Saving chunks for level 'tcpsurvival_nether'/Nether
15.11 22:36:24 [Server] INFO Saving chunks for level 'tcpsurvival'/Overworld
15.11 22:36:24 [Server] INFO Saving worlds
15.11 22:36:24 [Server] INFO Saving players
15.11 22:36:24 [Server] INFO Disabling WorldEdit v6.1;no_git_id
15.11 22:36:24 [Server] INFO Disabling Essentials vTeamCity
15.11 22:36:24 [Server] INFO Permissions listed in as player-commands will be given to all users.
15.11 22:36:24 [Server] INFO Essentials: Using config file enhanced permissions.
15.11 22:36:24 [Server] INFO Disabling EssentialsChat vTeamCity
15.11 22:36:24 [Server] INFO GroupManager version 2.0 (Phoenix) is disabled!
15.11 22:36:24 [Server] INFO GroupManager - INFO - Scheduled Data Saving is disabled!
15.11 22:36:24 [Server] INFO WEPIF: GroupManager detected! Using GroupManager for permissions.
15.11 22:36:24 [Server] INFO Disabling GroupManager v2.0 (Phoenix)
15.11 22:36:24 [Server] INFO LockedItems v1.7.3 has been disabled!
15.11 22:36:24 [Server] INFO Disabling LockedItems v1.7.3
15.11 22:36:24 [Server] INFO Disabling EssentialsAntiBuild vTeamCity
15.11 22:36:24 [Server] INFO Disabling Vault v1.5.6-b49
15.11 22:36:24 [Server] INFO Disabling CalendarPlus v3.0
15.11 22:36:24 [Server] INFO Disabling EssentialsSpawn vTeamCity
15.11 22:36:24 [Server] INFO Backpacks has been disabled!
15.11 22:36:24 [Server] INFO Backpacks have been saved.
15.11 22:36:24 [Server] INFO Saving 0 backpack(s)...
15.11 22:36:24 [Server] INFO Disabling Backpacks v0.1.3
15.11 22:36:24 [Server] INFO Disabling ProtocolLib v3.6.4
15.11 22:36:24 [Server] INFO Disabling EasyBalance v1.0
15.11 22:36:24 [Server] INFO Shutting down executor and waiting for any pending tasks...
15.11 22:36:24 [Server] INFO Disabling WorldGuard v6.1
15.11 22:36:24 [Server] INFO Disabling LibsDisguises v8.6.5
15.11 22:36:24 [Server] INFO v2.1.7 has been Disabled!
15.11 22:36:24 [Server] INFO All active settings have been saved.
15.11 22:36:24 [Server] INFO All active mobs have been saved!
15.11 22:36:24 [Server] INFO Saving all active Mythic Mobs...
15.11 22:36:24 [Server] INFO Disabling Mythic Mobs...
15.11 22:36:24 [Server] INFO Disabling MythicMobs v2.1.7
15.11 22:36:24 [Server] INFO Remaining requests sent to database, plugin disabled.
15.11 22:36:24 [Server] INFO Disabling AdvancedAchievements v2.1.1
15.11 22:36:24 [Server] INFO Disabled
15.11 22:36:24 [Server] INFO Successfully cancelled Async Storage task with ID: 32
15.11 22:36:24 [Server] INFO Disabling SignShop v2.11.0Dev
15.11 22:36:24 [Server] INFO Disabled
15.11 22:36:24 [Server] INFO Disabling SignShopHotel v1.2.0
15.11 22:36:24 [Server] INFO Stopping server
15.11 22:36:24 [Server] INFO Stopping the server
15.11 22:36:24 [Server] INFO Saved the world
15.11 22:36:24 [Server] INFO Saving...
15.11 22:36:24 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at com.xlr20ice.calendar.Calendar$1.run(Calendar.java:37) ~[?:?]
15.11 22:36:24 [Server] INFO java.lang.NullPointerException
15.11 22:36:24 [Server] WARN Task #14 for CalendarPlus v3.0 generated an exception
15.11 22:36:24 [Multicraft] Stopping server!
15.11 22:36:24 [Multicraft] Received stop command
15.11 22:36:24 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:24 [Server] INFO at com.xlr20ice.calendar.Calendar$1.run(Calendar.java:37) ~[?:?]
15.11 22:36:24 [Server] INFO java.lang.NullPointerException
15.11 22:36:24 [Server] WARN Task #14 for CalendarPlus v3.0 generated an exception
15.11 22:36:24 [Multicraft] Skipped 100 lines due to rate limit (100/s)
15.11 22:36:23 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at com.xlr20ice.calendar.Calendar$1.run(Calendar.java:37) ~[?:?]
15.11 22:36:23 [Server] INFO java.lang.NullPointerException
15.11 22:36:23 [Server] WARN Task #14 for CalendarPlus v3.0 generated an exception
15.11 22:36:23 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at com.xlr20ice.calendar.Calendar$1.run(Calendar.java:37) ~[?:?]
15.11 22:36:23 [Server] INFO java.lang.NullPointerException
15.11 22:36:23 [Server] WARN Task #14 for CalendarPlus v3.0 generated an exception
15.11 22:36:23 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at com.xlr20ice.calendar.Calendar$1.run(Calendar.java:37) ~[?:?]
15.11 22:36:23 [Server] INFO java.lang.NullPointerException
15.11 22:36:23 [Server] WARN Task #14 for CalendarPlus v3.0 generated an exception
15.11 22:36:23 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at com.xlr20ice.calendar.Calendar$1.run(Calendar.java:37) ~[?:?]
15.11 22:36:23 [Server] INFO java.lang.NullPointerException
15.11 22:36:23 [Server] WARN Task #14 for CalendarPlus v3.0 generated an exception
15.11 22:36:23 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.7.jar:git-Spigot-44c59bf-8f0f4ed]
15.11 22:36:23 [Server] INFO at com.xlr20ice.calendar.Calendar$1.run(Calendar.java:37) ~[?:?]
15.11 22:36:23 [Server] INFO java.lang.NullPointerException

Please provide any additional information below.

I will just take it that it doesnt work on 1.8.7 spigot. Too bad it seemed like a nice idea.