Fatal error and server freezed

[FightMySelf]

L2J Revision 4176:
L2JDP Revision 7407:

Hello i got this error today and after it the server was freezed my status page show me online players but no change nobody can log i restart the login server and then i see my server is down so i close the server and start it again.Still i dont know what mean this error if he will back again.. sorry for my english

2010-6-14 14:22:26 com.mchange.v2.resourcepool.BasicResourcePool prelimCheckoutResource
WARNING: com.mchange.v2.resourcepool.BasicResourcePool@3f3f210f -- an attempt to checkout a resource was interrupted, and the pool is still live: some other thread must have either interrupted the Thread attempting checkout!
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1315)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at com.l2jserver.L2DatabaseFactory.getConnection(L2DatabaseFactory.java:221)
at com.l2jserver.gameserver.model.L2ItemInstance.updateInDb(L2ItemInstance.java:1513)
at com.l2jserver.gameserver.model.L2ItemInstance.updateDatabase(L2ItemInstance.java:1342)
at com.l2jserver.gameserver.model.L2ItemInstance.updateDatabase(L2ItemInstance.java:1313)
at com.l2jserver.gameserver.model.itemcontainer.ItemContainer.addItem(ItemContainer.java:266)
at com.l2jserver.gameserver.model.itemcontainer.PcInventory.addItem(PcInventory.java:424)
at com.l2jserver.gameserver.model.actor.instance.L2PcInstance.addItem(L2PcInstance.java:3594)
at com.l2jserver.gameserver.model.L2Party.distributeItem(L2Party.java:554)
at handlers.skillhandlers.Sweep.useSkill(Sweep.java:83)
at com.l2jserver.gameserver.model.actor.L2Character.callSkill(L2Character.java:6574)
at com.l2jserver.gameserver.model.actor.L2Character.onMagicHitTimer(L2Character.java:6175)
at com.l2jserver.gameserver.model.actor.L2Character$MagicUseTask.run(L2Character.java:2568)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

[UnAfraid]

I think that's from unclosed mysql connections do you have some custom scripts that they use MySQL