Massive Core
❰❰ MassiveCraft on Bukkit ❱❱
MassiveCore | Factions | CreativeGates | Vampire
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Documentation
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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 Jul 19, 2013https://github.com/MassiveCraft/mcore/issues/18
All I know is that this problem started when I installed MCore
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Posted Jul 18, 2013Is it possible to implement mcMMO into this? I mean, if you talk with their devs, I guess... cause that'd be awesome!
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Posted Jul 18, 2013when will factions come back?
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Posted Jul 18, 2013@ThaSourceGaming
@tntfactions
@agligorijevic1998
http://dev.bukkit.org/bukkit-plugins/worldborder/?comment=1093
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Posted Jul 17, 2013It will not load on my server. I have the newest CraftBukkit for 1.6.2. Here is the message:
20:05:29 [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
I do have the latest JAVA by the way...
EDIT: If i run just the jar by double clicking it the folders are formed and it presumably works. Here is what I have for the .bat file to open my server, because I guess that is where the problem is.
@echo off
path=%PATH%;%ProgramFiles(x86)%\Java\jre7\bin
java -Xms512M -Xmx1G -jar craftbukkit.jar
PAUSE
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Posted Jul 17, 2013@talking4
Same I cannot change the 10 seconds faction tp delay, any fix? Thank you. Also Factions is under moderation, virus possibly? secret cheats in Factions we should know about?
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Posted Jul 16, 2013i cant change to 10 sec dely in command /f home i change it but every time it back to 10 pls help
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Posted Jul 16, 201312:15:12 [SEVERE] Error occurred while enabling Factions v2.0.2 (Is it up to dat e?) com.massivecraft.mcore.xlib.gson.JsonSyntaxException: java.lang.IllegalStateExce ption: Expected BEGIN_OBJECT but was STRING at com.massivecraft.mcore.xlib.gson.internal.bind.ReflectiveTypeAdapterF actory$Adapter.read(ReflectiveTypeAdapterFactory.java:183) at com.massivecraft.mcore.xlib.gson.Gson.fromJson(Gson.java:773) at com.massivecraft.mcore.xlib.gson.Gson.fromJson(Gson.java:837) at com.massivecraft.mcore.xlib.gson.Gson.fromJson(Gson.java:810) at com.massivecraft.mcore.store.Coll.loadFromRemote(Coll.java:522) at com.massivecraft.mcore.store.Coll.syncId(Coll.java:633) at com.massivecraft.mcore.store.Coll.syncAll(Coll.java:673) at com.massivecraft.mcore.store.Coll.init(Coll.java:780) at com.massivecraft.mcore.store.Colls.getForCollname(Colls.java:81) at com.massivecraft.mcore.store.Colls.getForUniverse(Colls.java:71) at com.massivecraft.mcore.store.Colls.getColls(Colls.java:36) at com.massivecraft.mcore.store.Colls.init(Colls.java:26) at com.massivecraft.factions.entity.UPlayerColls.init(UPlayerColls.java: 49) at com.massivecraft.factions.Factions.onEnable(Factions.java:117) at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217) at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader .java:457) at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage r.java:381) at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugin(CraftServer.jav a:282) at org.bukkit.craftbukkit.v1_6_R2.CraftServer.enablePlugins(CraftServer. java:264) at net.minecraft.server.v1_6_R2.MinecraftServer.l(MinecraftServer.java:3 13) at net.minecraft.server.v1_6_R2.MinecraftServer.f(MinecraftServer.java:2 90) at net.minecraft.server.v1_6_R2.MinecraftServer.a(MinecraftServer.java:2 50) at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.jav a:151) at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java :391) at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:5 82) Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING
at com.massivecraft.mcore.xlib.gson.internal.bind.JsonTreeReader.expect( JsonTreeReader.java:140) at com.massivecraft.mcore.xlib.gson.internal.bind.JsonTreeReader.beginOb ject(JsonTreeReader.java:71) at com.massivecraft.mcore.xlib.gson.internal.bind.ReflectiveTypeAdapterF actory$Adapter.read(ReflectiveTypeAdapterFactory.java:171) ... 24 more
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Posted Jul 15, 2013When i change tp delay to 3 in mcore_conf it automatically goes back to 10 again. Why is this? I even stopped server, saved file and started the server.
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Posted Jul 15, 2013Anyone know why Factions is in moderation?
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Posted Jul 15, 2013Why is Factions dev page down? Anyone?
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Posted Jul 14, 2013All my factions and claimed lands are gone. I have the configs and all the data to fix it. I just don't know where to put it. I have the factions migrated file. Help?!
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Posted Jul 14, 2013@austin9684
Unfortunately that would be against the Bukkit terms of service, so nobody can.
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Posted Jul 14, 2013The factions plugin page is down can anyone shoot me a link for the 1.6.2 version of factions?
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Posted Jul 14, 2013@Mr_Murzik
You need to use Java 7. :)
@GiantzFan53
That's probably FactionsPlus. Use the FactionsPlus dev build on GitHub. If you're not using FactionsPlus, then it's probably not related to MCore/Factions/FactionsPlus. Hope that helps.
@MagicXinventor
Your MCore is Build for v1_6_R2 (according to the errors), so it's try to reference code for that specific version (org.bukkit.craftbukkit.v1_6_R2, etc). Your Bukkit Version does match that version, apparently! What version of MCore are you using, and what version of Bukkit are you using?
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Posted Jul 14, 20131.6.2-R0.1 (CraftBukkit Build # 02814)
[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
[SEVERE] Could not load 'plugins/CreativeGates.jar' in folder 'plugins' org.bukkit.plugin.UnknownDependencyException: mcore
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Posted Jul 14, 2013@GiantzFan53
Sounds like a scoreboard issue.
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Posted Jul 13, 2013This plugin causes me to have "Recieved string length longer than maximum allowed ( 18>16) everytime it's enabled. Is there a fix for this? Using the 6.5
EDIT: One player's name was 16 characters and it crashed mcore. I had to delete his name from factions_uplayer@default for this to work. This is a big bug. I just want to clarify that it was only one player with 16 characters. Not every player with 16 characters. Very, very odd.
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Posted Jul 13, 2013@MagicXinventor
I'm having the exact same error, I'm going to see if downgrading will help.
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Posted Jul 13, 201311:39:12 [SEVERE] Could not load 'plugins\mcore.jar' in folder 'plugins' org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/mi necraft/server/v1_6_R1/PlayerInventory at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j ava: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.ja va:239) at org.bukkit.craftbukkit.v1_6_R2.CraftServer.<init>(CraftServer.java:21 7) at net.minecraft.server.v1_6_R2.PlayerList.<init>(PlayerList.java:56) at net.minecraft.server.v1_6_R2.DedicatedPlayerList.<init>(SourceFile:11 ) at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.jav a:106) at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java :391) at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:5 82) Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_6_R1/PlayerIn ventory at com.massivecraft.mcore.MCore.getMCoreGsonBuilder(MCore.java:72) at com.massivecraft.mcore.MCore.<clinit>(MCore.java:61) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j ava:173) ... 9 more Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_6_R1.Player Inventory at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader .java:70) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader. java:53) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 14 more