JFinal 第一次报的这么个错?报错

报错后机子就死机了，重启了一下，这是日志信息

2013-12-18 11:14:15
[WARN]-[Thread: Timer-0]-[com.mchange.v2.async.ThreadPoolAsynchronousRunner.processReplacedThreads()]: Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@5f5e4d (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().

2013-12-18 11:14:15
[WARN]-[Thread: Timer-0]-[com.mchange.v2.async.ThreadPoolAsynchronousRunner.processReplacedThreads()]: Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@955676 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt().

2013-12-18 11:14:16
[WARN]-[Thread: com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2]-[com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run()]: com.mchange.v2.resourcepool.BasicResourcePool@fe72b9 -- Thread unexpectedly interrupted while performing an acquisition attempt.
java.lang.InterruptedException: sleep interrupted
	at java.lang.Thread.sleep(Native Method)
	at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1805)
	at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)

2013-12-18 11:14:35
[WARN]-[Thread: Timer-0]-[com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector.run()]: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@c3d0fe -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!

2013-12-18 11:14:57
[WARN]-[Thread: Timer-0]-[com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector.run()]: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@c3d0fe -- APPARENT DEADLOCK!!! Complete Status: 
	Managed Threads: 3
	Active Threads: 3
	Active Tasks: 
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@45ed31 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@d7313b (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1e1546a (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)
	Pending Tasks: 
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@6d2a46
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@f26d5f
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1ea9d63
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@2e101
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@10208a8
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@866ce2
Pool thread stack traces:
	Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main]
		java.net.DualStackPlainSocketImpl.connect0(Native Method)
		java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
		java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
		java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
		java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
		java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
		java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
		java.net.Socket.connect(Socket.java:579)
		java.net.Socket.connect(Socket.java:528)
		java.net.Socket.<init>(Socket.java:425)
		java.net.Socket.<init>(Socket.java:241)
		com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:257)
		com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:298)
		com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2391)
		com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2428)
		com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2213)
		com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:797)
		com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
		sun.reflect.GeneratedConstructorAccessor9.newInstance(Unknown Source)
		sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
		java.lang.reflect.Constructor.newInstance(Constructor.java:526)
		com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
		com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
		com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
		com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
		com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
		com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
		com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
		com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
		com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
		com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
	Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main]
		java.net.DualStackPlainSocketImpl.connect0(Native Method)
		java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
		java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
		java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
		java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
		java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
		java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
		java.net.Socket.connect(Socket.java:579)
		java.net.Socket.connect(Socket.java:528)
		java.net.Socket.<init>(Socket.java:425)
		java.net.Socket.<init>(Socket.java:241)
		com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:257)
		com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:298)
		com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2391)
		com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2428)
		com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2213)
		com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:797)
		com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
		sun.reflect.GeneratedConstructorAccessor9.newInstance(Unknown Source)
		sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
		java.lang.reflect.Constructor.newInstance(Constructor.java:526)
		com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
		com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
		com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
		com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
		com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
		com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
		com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
		com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
		com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
		com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
	Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main]
		java.net.DualStackPlainSocketImpl.connect0(Native Method)
		java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
		java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
		java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
		java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
		java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
		java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
		java.net.Socket.connect(Socket.java:579)
		java.net.Socket.connect(Socket.java:528)
		java.net.Socket.<init>(Socket.java:425)
		java.net.Socket.<init>(Socket.java:241)
		com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:257)
		com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:298)
		com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2391)
		com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2428)
		com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2213)
		com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:797)
		com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
		sun.reflect.GeneratedConstructorAccessor9.newInstance(Unknown Source)
		sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
		java.lang.reflect.Constructor.newInstance(Constructor.java:526)
		com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
		com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
		com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
		com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
		com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
		com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
		com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
		com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
		com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
		com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
		com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)