HELP, Random server crashes due to pipes?

[Catch22]

My server randomly crashes with this error, it only happens every few days though. Any help would be greatly appreciated!

ERROR LOG:

2014-01-05 07:34:09 [sEVERE] at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:859)

2014-01-05 07:34:09 [sEVERE] at java.util.ArrayList$Itr.next(ArrayList.java:831)

2014-01-05 07:34:09 [sEVERE] at net.minecraft.server.World.getTileEntity(World.java:1644)

2014-01-05 07:34:09 [sEVERE] at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45)

2014-01-05 07:34:09 [sEVERE] at eloraam.core.TubeLib.isConSide(TubeLib.java:303)

2014-01-05 07:34:09 [sEVERE] at eloraam.core.TubeLib.getConnections(TubeLib.java:370)

2014-01-05 07:34:09 [sEVERE] at eloraam.core.TubeLib$RouteFinder.find(TubeLib.java:222)

2014-01-05 07:34:09 [sEVERE] at eloraam.core.TubeLib.findRoute(TubeLib.java:398)

2014-01-05 07:34:09 [sEVERE] at eloraam.machine.TileTube$1.schedule(TileTube.java:51)

2014-01-05 07:34:09 [sEVERE] at eloraam.core.TubeFlow.update(TubeFlow.java:76)

2014-01-05 07:34:09 [sEVERE] at eloraam.machine.TileTube.q_(TileTube.java:227)

2014-01-05 07:34:09 [sEVERE] at net.minecraft.server.World.tickEntities(World.java:1190)

2014-01-05 07:34:09 [sEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)

2014-01-05 07:34:09 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)

2014-01-05 07:34:09 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2014-01-05 07:34:09 [sEVERE] Unexpected exception

java.util.ConcurrentModificationException

at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:859)

at java.util.ArrayList$Itr.next(ArrayList.java:831)

at net.minecraft.server.World.getTileEntity(World.java:1644)

at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45)

at eloraam.core.TubeLib.isConSide(TubeLib.java:303)

at eloraam.core.TubeLib.getConnections(TubeLib.java:370)

at eloraam.core.TubeLib$RouteFinder.find(TubeLib.java:222)

at eloraam.core.TubeLib.findRoute(TubeLib.java:398)

at eloraam.machine.TileTube$1.schedule(TileTube.java:51)

at eloraam.core.TubeFlow.update(TubeFlow.java:76)

at eloraam.machine.TileTube.q_(TileTube.java:227)

at net.minecraft.server.World.tickEntities(World.java:1190)

at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)

at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

If more info is needed just tell me I can make a list of plugins patches ect.

Thanks, Catch22

[j0ach1mmall3]

Can u replicate it?

[Catch22]

I have had no luck trying to replicate it, and like I mentioned it only happens every few days making it really hard to track down :/

[Catch22]

Bump, This is still major problem on my server and growing help!

[ALPHA_DEALER]

Bump, This is happening on my server as well. Not able to replicate it but server crashes from it every day or 2.