关于数据库查询连接池问题

2012-11-05 10:55:42,582 [Timer-0] WARN  c.ThreadPoolAsynchronousRunner -com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@1feb2ea -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2012-11-05 10:55:45,088 [Timer-0] WARN  c.ThreadPoolAsynchronousRunner -com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@1feb2ea -- APPARENT DEADLOCK!!! Complete Status: 
Managed Threads: 3
Active Threads: 0
Active Tasks: 
Pending Tasks: 
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@13ba312
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@4f2189
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@122be0b
com.mchange.v2.resourcepool.BasicResourcePool$1DestroyResourceTask@1eaf705
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@ffa9d8
Pool thread stack traces:
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,]
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,]
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,]ibatis  c3p0连接数据库 数据库中有10W 的数据 现在抛除了上面的错误~~~ 我应该怎么解决啊~~~ 我认为是c3p0的问题~~tomcat中部署的项目~~ 要该配置文件加大连接数吗？？谁遇到过类似的问题啊~~~~