[SEVERE] java.net.SocketException: Socket closed is crashing my server

This is all the log:

Code:

(random chat)
2011-07-30 20:45:14 [INFO] Connection reset
2011-07-30 20:45:14 [SEVERE] java.net.SocketException: Socket closed
2011-07-30 20:45:14 [SEVERE]     at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:99)
2011-07-30 20:45:14 [SEVERE]     at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
2011-07-30 20:45:14 [SEVERE]     at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
2011-07-30 20:45:14 [SEVERE]     at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
2011-07-30 20:45:14 [SEVERE]     at java.io.DataOutputStream.flush(DataOutputStream.java:106)
2011-07-30 20:45:14 [SEVERE]     at net.minecraft.server.NetworkWriterThread.run(SourceFile:116)
2011-07-30 20:46:19 [INFO] Read timed out
(Read timed out over and over)

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Server Information
------------------

Java : Sun Microsystems Inc. 1.6.0_22 (http://java.sun.com/)
Operating system : Linux 2.6.34.6-xxxx-grs-ipv6-64 (amd64)
Available processors: 16
Free memory : 1377 MB
Max memory : 2018 MB
Total memory : 2018 MB
Server ID : unnamed
Server name : Templars Knights
Implementation : git-Bukkit-0.0.0-945-g73697a4-b1000jnks (MC: 1.7.3)
Player count : 12/50

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Plugins
-------

HeroSpawn : 0.2
MobBounty : 4.05
AutoMessage : 1.5
HeroChat : 4.10.3
MailBox : 2.2
xAuth : 2.0b3
WorldEdit : 4.6
BukkitContrib : 0.1.7
Towny : 0.73.2
PermissionsEx : 1.12
SignLift : 0.7
OpenInv : 1.3.1
MinecraftViewer : 1.0c
iConomyDeath : 0.7
LogBlockQuestioner : 0.02
iConomy : 5.01
MCDocs : 10
Votifier : 1.4
AppleTree : 0.5.1
Landmarks : 0.2
WorldGuard : 5.2.2
Minecart Permanence: 1.0.0
Minequery : 1.5
iConomyChestShop : 2.75
Questioner : 0.4
WurkIt : 1.1.1
HeroicDeath : 1.8.1.156
Permissions : 2.7.7
SimpleRestart : 1.1.0
dynmap : 0.20
LogBlock : 1.23

Any help? plz?

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

I have the same issue, anyone?