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Posted (edited)

I recently put together a modpack for some friends and I. After testing and not running into many issues, I began getting this error message in the server log:

2014-05-18 11:36:34 [SEVERE] java.lang.NullPointerException
2014-05-18 11:36:34 [SEVERE] at powercrystals.minefactoryreloaded.modhelpers.forgemultiparts.FMP.addSubtypes(FMP.java:60)
2014-05-18 11:36:34 [SEVERE] at powercrystals.minefactoryreloaded.modhelpers.forgemultiparts.FMP.Init(FMP.java:38)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at java.lang.reflect.Method.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:545)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at java.lang.reflect.Method.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2014-05-18 11:36:34 [SEVERE] at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
2014-05-18 11:36:34 [SEVERE] at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at java.lang.reflect.Method.invoke(Unknown Source)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2014-05-18 11:36:34 [SEVERE] at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2014-05-18 11:36:34 [SEVERE] at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
2014-05-18 11:36:34 [SEVERE] at cpw.mods.fml.common.Loader.initializeMods(Loader.java:699)
2014-05-18 11:36:34 [SEVERE] at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:107)
2014-05-18 11:36:34 [SEVERE] at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:355)
2014-05-18 11:36:34 [SEVERE] at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:178)
2014-05-18 11:36:34 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:630)
2014-05-18 11:36:34 [SEVERE] at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
2014-05-18 11:36:40 [SEVERE] java.lang.ClassNotFoundException: twilightforest.entity.TFCreatures
2014-05-18 11:36:40 [SEVERE] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:97)
2014-05-18 11:36:40 [SEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at java.lang.Class.forName0(Native Method)
2014-05-18 11:36:40 [SEVERE] at java.lang.Class.forName(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at powercrystals.minefactoryreloaded.modhelpers.twilightforest.TwilightForest.load(TwilightForest.java:47)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at java.lang.reflect.Method.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:545)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at java.lang.reflect.Method.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2014-05-18 11:36:40 [SEVERE] at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
2014-05-18 11:36:40 [SEVERE] at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at java.lang.reflect.Method.invoke(Unknown Source)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2014-05-18 11:36:40 [SEVERE] at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2014-05-18 11:36:40 [SEVERE] at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
2014-05-18 11:36:40 [SEVERE] at cpw.mods.fml.common.Loader.initializeMods(Loader.java:699)
2014-05-18 11:36:40 [SEVERE] at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:107)
2014-05-18 11:36:40 [SEVERE] at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:355)
2014-05-18 11:36:40 [SEVERE] at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:178)
2014-05-18 11:36:40 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:630)
2014-05-18 11:36:40 [SEVERE] at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
2014-05-18 11:36:46 [INFO] Ore: cropPumpkin
2014-05-18 11:36:46 [INFO] Ore: cropMelon
2014-05-18 11:36:46 [INFO] Ore: cropPotato
2014-05-18 11:36:46 [INFO] Ore: cropCarrot
2014-05-18 11:36:46 [INFO] Fluid: peat
2014-05-18 11:36:46 [INFO] Fluid: vegetable
2014-05-18 11:36:49 [INFO] Fluid: molten redstone
2014-05-18 11:36:53 [INFO] [qCraft] Loading qCraft v1.1 (rev 253)
2014-05-18 11:37:03 [SEVERE] java.lang.OutOfMemoryError: PermGen space
2014-05-18 11:37:03 [SEVERE] Encountered an unexpected exception OutOfMemoryError
java.lang.OutOfMemoryError: PermGen space
2014-05-18 11:37:06 [INFO] Stopping server
2014-05-18 11:37:06 [SEVERE] java.lang.NoClassDefFoundError: org/bukkit/plugin/Plugin
2014-05-18 11:37:06 [SEVERE] at org.bukkit.plugin.SimplePluginManager.getPlugins(SimplePluginManager.java:343)
2014-05-18 11:37:06 [SEVERE] at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:393)
2014-05-18 11:37:06 [SEVERE] at org.bukkit.craftbukkit.v1_6_R3.CraftServer.disablePlugins(CraftServer.java:273)
2014-05-18 11:37:06 [SEVERE] at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:566)
2014-05-18 11:37:06 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:715)
2014-05-18 11:37:06 [SEVERE] at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
2014-05-18 11:37:06 [SEVERE] Exception in thread "Server thread"
2014-05-18 11:37:06 [SEVERE] java.lang.OutOfMemoryError: PermGen space
2014-05-18 11:39:08 [SEVERE] Exception in thread "Listen thread"
2014-05-18 11:39:08 [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/network/packet/Packet44UpdateAttributes
2014-05-18 11:39:08 [SEVERE] at net.minecraft.server.ServerListenThread.run(ServerListenThread.java:108)
2014-05-18 11:39:08 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.network.packet.Packet44UpdateAttributes
2014-05-18 11:39:08 [SEVERE] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
2014-05-18 11:39:08 [SEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-05-18 11:39:08 [SEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-05-18 11:39:08 [SEVERE] ... 1 more
2014-05-18 11:39:08 [SEVERE] Caused by: java.lang.OutOfMemoryError: PermGen space

Now, as far as the server's specs go, it has the following:

RAM: 6GB

GPU: 9800GT (2GB)

CPU: Q8200 Quad-Core at 2.33GHz

 

If you'd like to see the full server log, here it is: http://pastebin.com/5M5tWzcA

At this point, I'm still not experienced enough to be able to understand server logs extensively, so any help would be greatly appreciated. Thanks.

Edited by Hotelmariofan
  • Discord Moderator
Posted

It says right in your log what the problem is:

2014-05-18 11:37:03 [SEVERE] Encountered an unexpected exception OutOfMemoryError java.lang.OutOfMemoryError: PermGen space

Increase the permgen allocation of your server process.

Posted (edited)

It says right in your log what the problem is:

2014-05-18 11:37:03 [SEVERE] Encountered an unexpected exception OutOfMemoryError java.lang.OutOfMemoryError: PermGen space

Increase the permgen allocation of your server process.

Yeah, I saw that. That's why I changed my server.bat to this:

@echo off
java -Xms2048m -Xmx6144m -XX:PermSize=256m -XX:MaxPermSize=1024m -jar Minecraft_RKit.jar user:pass
pause

Either there's a mistake somewhere in there, or we must be missing something. By the way, for testing purposes, I will be running the server on a machine with the following specs:

CPU: Intel 3570K @ 3.8GHz

RAM: 16GB

GPU: GTX 680 2GB

Edited by Hotelmariofan
  • Discord Moderator
Posted

Without a link to your pack I can't give you more specific information, but 1G of PermSize is going to be major overkill. 256M of permgen will typically handle a couple hundred mods without trouble. Maybe up to 384M if you have a lot of very big mods in there.

Posted (edited)

Well, I've found that it's an issue with Remote Toolkit. For some reason, no amount of permgen will get rid of that error, but as soon as I run the server without that tool (which is incredibly useful), it works without issue. (Well, I have other issues that are irrelevant to this particular thread). I think I'll deal with the rToolkit dev (unless of course you have any ideas as to why this would happen). Thank you for your help thus far, I appreciate it.

Edited by Hotelmariofan

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