错误信息:
WARNING: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@38882d9a -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
WARNING: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@38882d9a -- APPARENT DEADLOCK!!! Complete Status:
Managed Threads: 3
Active Threads: 3
Active Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@17dc5237 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@199a51e (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@e275564 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)
Pending Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@38571f7e
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@5fd4a617
错误原因:
在c3p0-config.xml配置文档中将jdbc写成大写。
xml文档大小写敏感,一定要注意,还有各种不该有的空格等!