Redpower2 Server crash

[Catch22]

Title: Redpower2 Server crash

Version: 3.1.2

OS: Linux 3.10.23-xxxx-grs-ipv6-64 amd64

Java Version: 1.7.0_45

Description of Problem:

On a player login the server will crash with with the following error. Please note it is not every login.

Error Messages:

No message

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)

[rcmaehl]

Have you tried checking to see if it happens after a specific user logs on?

[Catch22]

It can be any random user, I thought the same thing 'maybe its a courrupt RP2 item in a chunk' Nope... It can be any user logging in :/ The users are from all towns and worlds so its not one chunk causing the issue :/