Hello, I am currently using McMMO 1.3 and it keeps showing me this error. Also, the server consumes a lot of memory, up to 4GB everytime it runs. Portion of my bat file Spoiler (Move your mouse to the spoiler area to reveal the content) Show Spoiler Hide Spoiler at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) Caused by: java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.skills.gathering.Mining.miningXP(Mining.java:290) at com.gmail.nossr50.skills.gathering.Mining.miningBlockCheck(Mining.jav a:304) at com.gmail.nossr50.listeners.BlockListener.onBlockBreak(BlockListener. java:194) at sun.reflect.GeneratedMethodAccessor139.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:339) ... 16 more 12:33:32 [SEVERE] Could not pass event BlockBreakEvent to mcMMO v1.3.11-b1030 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:341) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav a:62) at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j ava:477) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j ava:462) at net.minecraft.server.ItemInWorldManager.breakBlock(ItemInWorldManager .java:278) at net.minecraft.server.ItemInWorldManager.a(ItemInWorldManager.java:205 ) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:552) at net.minecraft.server.Packet14BlockDig.handle(SourceFile:46) at net.minecraft.server.NetworkManager.b(NetworkManager.java:282) at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:111) at net.minecraft.server.ServerConnection.b(SourceFile:35) at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:578) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) Caused by: java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.skills.gathering.Mining.miningXP(Mining.java:290) at com.gmail.nossr50.skills.gathering.Mining.miningBlockCheck(Mining.jav a:304) at com.gmail.nossr50.listeners.BlockListener.onBlockBreak(BlockListener. java:194) at sun.reflect.GeneratedMethodAccessor139.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:339) ... 16 more 12:33:36 [WARNING] lok96 moved wrongly! 12:33:39 [INFO] [Member] JHLIM96 : good morning 12:33:40 [INFO] SynHD issued server command: /tpa perry 12:33:44 [INFO] AutoSaving 12:33:44 [INFO] [AutoSaveWorld] AutoSaving 12:33:44 [INFO] AutoSave Complete 12:33:44 [INFO] [AutoSaveWorld] AutoSave Complete 12:33:45 [WARNING] lok96 moved wrongly! 12:33:45 [INFO] Perry issued server command: /tpaccept 12:33:46 [INFO] [Member] rainday05 : hi 12:34:02 [INFO] lok96 issued server command: /warp wild 12:34:14 [WARNING] simoxs moved wrongly! 12:34:31 [INFO] hotrider1996 issued server command: /home 12:34:33 [INFO] rainday05 issued server command: /lock 12:34:42 [SEVERE] Could not pass event EntityDamageByEntityEvent to mcMMO v1.3.1 1-b1030 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:341) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav a:62) at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j ava:477) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j ava:462) at net.minecraft.server.Explosion.a(Explosion.java:166) at net.minecraft.server.World.createExplosion(World.java:1557) at net.minecraft.server.WorldServer.createExplosion(WorldServer.java:759 ) at net.minecraft.server.EntityCreeper.j_(EntityCreeper.java:102) at net.minecraft.server.World.entityJoinedWorld(World.java:1278) at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:5 26) at net.minecraft.server.World.playerJoinedWorld(World.java:1260) at net.minecraft.server.World.tickEntities(World.java:1159) at net.minecraft.server.WorldServer.tickEntities(WorldServer.java:439) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:566) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) Caused by: java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.skills.acrobatics.DodgeEventHandler.processXPGain(D odgeEventHandler.java:50) at com.gmail.nossr50.skills.acrobatics.AcrobaticsManager.dodgeCheck(Acro baticsManager.java:72) at com.gmail.nossr50.util.Combat.combatChecks(Combat.java:222) at com.gmail.nossr50.listeners.EntityListener.onEntityDamageByEntity(Ent ityListener.java:98) at sun.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:339) ... 17 more 12:34:45 [INFO] Th3apple issued server command: /home 12:34:49 [INFO] [Member] lok96 found 20 coal ores 12:35:03 [WARNING] simoxs moved wrongly! 12:35:04 [INFO] simoxs lost connection: disconnect.quitting 12:35:04 [INFO] Connection reset 12:35:12 [WARNING] [mcMMO] Task #13128 for mcMMO v1.3.11-b1030 generated an exce ption java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.runnables.GainXp.run(GainXp.java:42) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(C raftScheduler.java:345) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:531) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) 12:35:12 [WARNING] [mcMMO] Task #13131 for mcMMO v1.3.11-b1030 generated an exce ption java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.runnables.GainXp.run(GainXp.java:42) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(C raftScheduler.java:345) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:531) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) 12:35:13 [WARNING] [mcMMO] Task #13133 for mcMMO v1.3.11-b1030 generated an exce ption java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.runnables.GainXp.run(GainXp.java:42) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(C raftScheduler.java:345) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:531) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) 12:35:24 [INFO] [Member] JHLIM96 : magical spell? 12:35:24 [WARNING] [mcMMO] Task #13160 for mcMMO v1.3.11-b1030 generated an exce ption java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.runnables.GainXp.run(GainXp.java:42) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(C raftScheduler.java:345) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:531) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) 12:35:27 [INFO] Perry issued server command: / 12:35:27 [WARNING] [mcMMO] Task #13174 for mcMMO v1.3.11-b1030 generated an exce ption java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.runnables.GainXp.run(GainXp.java:42) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(C raftScheduler.java:345) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:531) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) 12:35:28 [WARNING] [mcMMO] Task #13178 for mcMMO v1.3.11-b1030 generated an exce ption java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.runnables.GainXp.run(GainXp.java:42) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(C raftScheduler.java:345) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:531) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) 12:35:29 [WARNING] [mcMMO] Task #13183 for mcMMO v1.3.11-b1030 generated an exce ption java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.runnables.GainXp.run(GainXp.java:42) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(C raftScheduler.java:345) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:531) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) 12:35:31 [INFO] [Member] lok96 found 4 iron ores 12:35:36 [INFO] Th3apple issued server command: /back 12:35:38 [SEVERE] Could not pass event BlockBreakEvent to mcMMO v1.3.11-b1030 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:341) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav a:62) at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j ava:477) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j ava:462) at net.minecraft.server.ItemInWorldManager.breakBlock(ItemInWorldManager .java:278) at net.minecraft.server.ItemInWorldManager.a(ItemInWorldManager.java:205 ) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:552) at net.minecraft.server.Packet14BlockDig.handle(SourceFile:46) at net.minecraft.server.NetworkManager.b(NetworkManager.java:282) at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:111) at net.minecraft.server.ServerConnection.b(SourceFile:35) at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:578) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) Caused by: java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.skills.gathering.Mining.miningXP(Mining.java:290) at com.gmail.nossr50.skills.gathering.Mining.miningBlockCheck(Mining.jav a:304) at com.gmail.nossr50.listeners.BlockListener.onBlockBreak(BlockListener. java:194) at sun.reflect.GeneratedMethodAccessor139.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:339) ... 16 more 12:35:38 [INFO] [Member] SynHD found 8 gold ores 12:35:39 [SEVERE] Could not pass event BlockBreakEvent to mcMMO v1.3.11-b1030 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:341) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav a:62) at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j ava:477) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j ava:462) at net.minecraft.server.ItemInWorldManager.breakBlock(ItemInWorldManager .java:278) at net.minecraft.server.ItemInWorldManager.a(ItemInWorldManager.java:205 ) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:552) at net.minecraft.server.Packet14BlockDig.handle(SourceFile:46) at net.minecraft.server.NetworkManager.b(NetworkManager.java:282) at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:111) at net.minecraft.server.ServerConnection.b(SourceFile:35) at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:578) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428) at net.minecraft.server.ThreadServerApplication.run(SourceFile:818) Caused by: java.lang.NullPointerException at com.gmail.nossr50.datatypes.McMMOPlayer.addXP(McMMOPlayer.java:122) at com.gmail.nossr50.util.Skills.xpProcessing(Skills.java:508) at com.gmail.nossr50.skills.gathering.Mining.miningXP(Mining.java:290) at com.gmail.nossr50.skills.gathering.Mining.miningBlockCheck(Mining.jav a:304) at com.gmail.nossr50.listeners.BlockListener.onBlockBreak(BlockListener. java:194) at sun.reflect.GeneratedMethodAccessor139.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:339) ... 16 more > Looking forward to your respond Regards, kayng
Attached a screenshot of my task manager and my server files, anyone has any idea why the server is running on such a high memory?
Hello LaxWasHere Thanks for replying. Does this affect the memory intake of the server as well? It shoots up to 5gb usage some times and its really lagging up my other server
Are you running with MySQL? If so, is it connecting correctly? I get a huge error like this when ever there is a connection problem between the MySQL server
yes it is connecting properly Also, I realise that my memory usage keep going up non-stop, shouldn't it stay at a level?
http://ci.ecocitycraft.com/job/mcMMO/ I'm running the latest build here, and this error went away for me. Notably, I did have to make a folder in each of my world folders manually called mcmmo_data, you might or might not have to as well.
netherfoam here it is, I disabled McMMO, now the server is running on 4.4GB ram after I allocated 4GB ram to it.
I can't say :/ I'm pretty sure bukkit has an autosave feature so you don't need autosaveworld, I could be wrong though. I don't know any that would cause a memory leak, try upgrading all of them?
Those errors are McMMO. The RAM usage is a separate issue. What start line are you using to run your server? Do not use Windows Task Manager to monitor RAM usage, use an in game monitoring plugin, such as LagMeter or TheCleaner.