C3P0连接池问题！！！！非常郁闷！！！

sunshingheavy 2010-04-29 11:02:39

我们项目里用的c3p0连接池，有时候一直抱下面这个错误：
2010-04-29 10:58:09 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@c9367a (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:58:09-[WARN]-Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@c9367a (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:58:29 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@171d6fa -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2010-04-29 10:58:29-[WARN]-com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@171d6fa -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2010-04-29 10:58:29 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@171d6fa -- APPARENT DEADLOCK!!! Complete Status: [num_managed_threads: 3, num_active: 3; activeTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1c83579 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12ebdb3 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a83987 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1); pendingTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1590b70, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@fe09a1, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@2a56ac, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a03d77, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1239010, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1c71c75]
2010-04-29 10:58:29-[WARN]-com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@171d6fa -- APPARENT DEADLOCK!!! Complete Status: [num_managed_threads: 3, num_active: 3; activeTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1c83579 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12ebdb3 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a83987 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1); pendingTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1590b70, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@fe09a1, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@2a56ac, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a03d77, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1239010, com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1c71c75]
2010-04-29 10:58:54 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@f1a58d (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:58:54-[WARN]-Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@f1a58d (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:58:54 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@abe515 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:58:54-[WARN]-Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@abe515 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:58:54 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@14ceaf9 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:58:54-[WARN]-Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@14ceaf9 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:59:39 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1c83579 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:59:39-[WARN]-Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1c83579 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:59:39 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12ebdb3 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:59:39-[WARN]-Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12ebdb3 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().
2010-04-29 10:59:39 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a83987 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().

都不知道是什么原因？系统有时候也会down掉！！！！在网上查了很多人都遇到这个问题，但都没有人解决！！！
都说CSDN高手多，给小弟些建议吧....跪谢！！！

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