I need help with this freeze

[lackos888]

Hi. My Tekkit Classic 3.1.2 server randomly freeze, with this error:

 

08.04 15:27:00 [Multicraft] Skipped 1 lines due to rate limit (50/s)
08.04 15:26:36 [server] INFO at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)
08.04 15:26:36 [server] INFO at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)
08.04 15:26:36 [server] INFO at net.minecraft.server.World.tickEntities(World.java:1190)
08.04 15:26:36 [server] INFO at eloraam.logic.TileLogicPointer.q_(TileLogicPointer.java:413)
08.04 15:26:36 [server] INFO at eloraam.logic.TileLogicPointer.timerUpdate(TileLogicPointer.java:219)
08.04 15:26:36 [server] INFO at eloraam.core.TileExtended.updateBlockChange(TileExtended.java:98)
08.04 15:26:36 [server] INFO at eloraam.core.RedPowerLib.updateIndirectNeighbors(RedPowerLib.java:48)
08.04 15:26:36 [server] INFO at eloraam.core.RedPowerLib.notifyBlock(RedPowerLib.java:25)
08.04 15:26:36 [server] INFO at eloraam.core.BlockMultipart.doPhysics(BlockMultipart.java:29)
08.04 15:26:36 [server] INFO at eloraam.wiring.TileWiring.onBlockNeighborChange(TileWiring.java:243)
08.04 15:26:36 [server] INFO at eloraam.core.RedPowerLib.updateCurrent(RedPowerLib.java:1220)
08.04 15:26:36 [server] INFO at eloraam.core.RedPowerLib.notifyBlock(RedPowerLib.java:25)
08.04 15:26:36 [server] INFO at eloraam.core.BlockMultipart.doPhysics(BlockMultipart.java:29)
08.04 15:26:36 [server] INFO at eloraam.logic.TileLogicPointer.onBlockNeighborChange(TileLogicPointer.java:338)
08.04 15:26:36 [server] INFO at eloraam.logic.TileLogicPointer.timerChange(TileLogicPointer.java:74)
08.04 15:26:36 [server] INFO at eloraam.core.RedPowerLib.getRotPowerState(RedPowerLib.java:442)
08.04 15:26:36 [server] INFO at eloraam.core.RedPowerLib.getPowerState(RedPowerLib.java:418)
08.04 15:26:36 [server] INFO at eloraam.core.RedPowerLib.getSidePowerMask(RedPowerLib.java:372)
08.04 15:26:36 [server] INFO at eloraam.core.CoreLib.getTileEntity(CoreLib.java:84)
08.04 15:26:36 [server] INFO at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45)
08.04 15:26:36 [server] INFO at net.minecraft.server.World.getTileEntity(World.java:1644)
08.04 15:26:36 [server] INFO at java.util.ArrayList$Itr.next(Unknown Source)
08.04 15:26:36 [server] INFO at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
08.04 15:26:36 [server] INFO java.util.ConcurrentModificationException
08.04 15:26:36 [server] SEVERE Unexpected exception
08.04 15:26:36 [server] SEVERE at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
08.04 15:26:36 [server] SEVERE at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)
08.04 15:26:36 [server] SEVERE at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)
08.04 15:26:36 [server] SEVERE at net.minecraft.server.World.tickEntities(World.java:1190)
08.04 15:26:36 [server] SEVERE at eloraam.logic.TileLogicPointer.q_(TileLogicPointer.java:413)
08.04 15:26:36 [server] SEVERE at eloraam.logic.TileLogicPointer.timerUpdate(TileLogicPointer.java:219)
08.04 15:26:36 [server] SEVERE at eloraam.core.TileExtended.updateBlockChange(TileExtended.java:98)
08.04 15:26:36 [server] SEVERE at eloraam.core.RedPowerLib.updateIndirectNeighbors(RedPowerLib.java:48)
08.04 15:26:36 [server] SEVERE at eloraam.core.RedPowerLib.notifyBlock(RedPowerLib.java:25)
08.04 15:26:36 [server] SEVERE at eloraam.core.BlockMultipart.doPhysics(BlockMultipart.java:29)
08.04 15:26:36 [server] SEVERE at eloraam.wiring.TileWiring.onBlockNeighborChange(TileWiring.java:243)
08.04 15:26:36 [server] SEVERE at eloraam.core.RedPowerLib.updateCurrent(RedPowerLib.java:1220)
08.04 15:26:36 [server] SEVERE at eloraam.core.RedPowerLib.notifyBlock(RedPowerLib.java:25)
08.04 15:26:36 [server] SEVERE at eloraam.core.BlockMultipart.doPhysics(BlockMultipart.java:29)
08.04 15:26:36 [server] SEVERE at eloraam.logic.TileLogicPointer.onBlockNeighborChange(TileLogicPointer.java:338)
08.04 15:26:36 [server] SEVERE at eloraam.logic.TileLogicPointer.timerChange(TileLogicPointer.java:74)
08.04 15:26:36 [server] SEVERE at eloraam.core.RedPowerLib.getRotPowerState(RedPowerLib.java:442)
08.04 15:26:36 [server] SEVERE at eloraam.core.RedPowerLib.getPowerState(RedPowerLib.java:418)
08.04 15:26:36 [server] SEVERE at eloraam.core.RedPowerLib.getSidePowerMask(RedPowerLib.java:372)
08.04 15:26:36 [server] SEVERE at eloraam.core.CoreLib.getTileEntity(CoreLib.java:84)
08.04 15:26:36 [server] SEVERE at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45)
08.04 15:26:36 [server] SEVERE at net.minecraft.server.World.getTileEntity(World.java:1644)
08.04 15:26:36 [server] SEVERE at java.util.ArrayList$Itr.next(Unknown Source)
08.04 15:26:36 [server] SEVERE at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
08.04 15:26:36 [server] SEVERE java.util.ConcurrentModificationException

 

I have no idea, why my server freezing, and why the RedPower sucks. Any idea?

 

If i'm created the topic in the wrong section, please move it.

Edited April 8, 2014 by lackos888