Massive Core
❰❰ MassiveCraft on Bukkit ❱❱
MassiveCore | Factions | CreativeGates | Vampire
MassiveBooks | MassiveHat | MassiveTickets
❰❰ Full Documentation ❱❱
Documentation
❰❰ Techy Things ❱❱
GitHub | Report a Bug
What is MassiveCore?
MassiveCore is a Bukkit plugin that contains components the MassiveCraft developers use for developing other Bukkit plugins:
- ItemStack and Inventory serialization
- Commands
- Plugin Integration
- Data storage with JSON
- Disc IO
- … and much more …
Install
- Stop your server.
- Put MassiveCore.jar in your plugins folder.
- Start your server again.
Plugins Using MassiveCore
Internet Connections
MassiveCore sends anonymous usage statistics to bstats.org when your server starts and downloads the latest sponsor configuration file from massivecraft.com hourly. You can disable these internet connections by setting "metricsEnabled" and "sponsorEnabled" to false at the very bottom of the main configuration file.
Official Server

Join in and play with us on the official Factions RPG Minecraft Server!







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Posted Aug 15, 2013@miat1170
I got the same error:
[mcore] Task #4 for mcore v6.5.2 generated an exception
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Posted Aug 14, 2013Can someone help me with this (what is it?): 2013-08-14 13:53:56 [INFO] Registered command prdebug with permission node mrtjp.projectred.multipart.wiring.CommandDebug 2013-08-14 13:53:57 [WARNING] [mcore] Task #4 for mcore v6.4.1 generated an exception java.lang.AssertionError at com.massivecraft.mcore.xlib.gson.internal.bind.TypeAdapters$EnumTypeAdapter.<init>(TypeAdapters.java:686) at com.massivecraft.mcore.xlib.gson.internal.bind.TypeAdapters$24.create(TypeAdapters.java:715) at com.massivecraft.mcore.xlib.gson.Gson.getAdapter(Gson.java:371) at com.massivecraft.mcore.xlib.gson.internal.bind.MapTypeAdapterFactory.getKeyAdapter(MapTypeAdapterFactory.java:147) at com.massivecraft.mcore.xlib.gson.internal.bind.MapTypeAdapterFactory.create(MapTypeAdapterFactory.java:130) at com.massivecraft.mcore.xlib.gson.Gson.getAdapter(Gson.java:371) at com.massivecraft.mcore.xlib.gson.internal.bind.ReflectiveTypeAdapterFactory$1.<init>(ReflectiveTypeAdapterFactory.java:85) at com.massivecraft.mcore.xlib.gson.internal.bind.ReflectiveTypeAdapterFactory.createBoundField(ReflectiveTypeAdapterFactory.java:84) at com.massivecraft.mcore.xlib.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:121) at com.massivecraft.mcore.xlib.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:75) at com.massivecraft.mcore.xlib.gson.Gson.getAdapter(Gson.java:371) at com.massivecraft.mcore.xlib.gson.Gson.toJson(Gson.java:556) at com.massivecraft.mcore.xlib.gson.Gson.toJsonTree(Gson.java:457) at com.massivecraft.mcore.store.Coll.saveToRemote(Coll.java:478) at com.massivecraft.mcore.store.Coll.syncId(Coll.java:616) at com.massivecraft.mcore.store.Coll.syncSuspects(Coll.java:661) at com.massivecraft.mcore.store.Coll.onTick(Coll.java:711) at com.massivecraft.mcore.MCore$1.run(MCore.java:108) at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftTask.run(CraftTask.java:58) at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:344) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:759) at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600) at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
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Posted Aug 13, 2013You only should let the plugins how they where in 1.5.2
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Posted Aug 13, 2013@littlehughes
Read the docs. This error is covered there.
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Posted Aug 12, 2013Can someone help me with this, all I want is faction for my server...
14:47:44 [SEVERE] Could not load 'plugins/mcore.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/massivecraft/mcore/MCore : Unsupported major.minor version 51.0
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184)
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugins(CraftServer.java:239)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.reload(CraftServer.java:603)
at org.bukkit.Bukkit.reload(Bukkit.java:275)
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:23)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchCommand(CraftServer.java:523)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchServerCommand(CraftServer.java:512)
at net.minecraft.server.v1_6_R2.DedicatedServer.ar(DedicatedServer.java:262)
at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:227)
at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.UnsupportedClassVersionError: com/massivecraft/mcore/MCore : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:80)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173)
... 14 more
14:47:44 [SEVERE] Could not load 'plugins/Factions.jar' in folder 'plugins'
org.bukkit.plugin.UnknownDependencyException: mcore
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:195)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugins(CraftServer.java:239)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.reload(CraftServer.java:603)
at org.bukkit.Bukkit.reload(Bukkit.java:275)
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:23)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchCommand(CraftServer.java:523)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchServerCommand(CraftServer.java:512)
at net.minecraft.server.v1_6_R2.DedicatedServer.ar(DedicatedServer.java:262)
at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:227)
at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
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Posted Aug 11, 2013So, I decided to create an entire new multiverse in the hopes of disabling factions within another world and unique gamemode. Within that multiverse, I created a universe and I imported the world. Faction and money aspects are off in this multiverse, universe, and world, but faction commands are still functioning. What am I doing wrong?
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Posted Aug 11, 2013@xj0shuacha0zx Looks like the Java version you got installed is unsupported by this plugin. Wonder what versions are...
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Posted Aug 10, 2013I get this error:
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Posted Aug 10, 2013I installed mcore to my server then creative gates but my console says "could not load 'plugins/mcore.jar' in folder ': java.lang.UnsupportedClassVersionError: com/massivecraft/mcore/MCore : Unsupported major.minor version 51.0 at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184) Can u help me fix this?
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Posted Aug 10, 2013@Dyl619
Try java 8
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Posted Aug 9, 2013I am currently using this app on my iPhone 5 called "Adminium". It is currently not working. Most players are referring to MCore issues that have the same issue as me. Adminium requires JSONAPI which i setup 100% accurately. The app stopped working after I updated factions and installed MCore. Please help me.. Does JSONAPI and MCore use the same type of code? Thanks.
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Posted Aug 9, 2013@Dyl619
Oh I have found a solution. Do whatever you are doing wrong right. It's up to you to find the solution. See I'm running Factions on my own server and it's working like a charm :) Perhaps you should uninstall Java 6 as well?
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Posted Aug 9, 2013I have Java 7 installed and it still wont work, had to go back to the 1.5.2 version of my factions, plz find solution!
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Posted Aug 8, 2013@Chessplaya
"This plugin requires Java 7."
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Posted Aug 8, 2013@whchang850
I'm curious as to why would you want to use an old version of minecraft? There are no MCore builds for Minecraft 1.5.2. If you are a code you could create one though. The source code is available on GitHub.
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Posted Aug 8, 2013Where can I get mcore for 1.5.2?
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Posted Aug 8, 2013MCore 6.6.0 is now pending approval.
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Posted Aug 7, 2013@willcraft5
http://dev.bukkit.org/bukkit-plugins/factions/
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Posted Aug 7, 2013how can i get factions for 1.5.2
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Posted Aug 5, 2013Cayorion I am just getting used to the plugin and I have question how do we get to the other worlds & universes. We want to work on the spawn point for the other ones but we do not know how to get there.