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2018-07-09 10:00:57.862 WARN  [C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-AdminTaskTimer] [c.m.v.a.ThreadPoolAsynchronousRunner:211] - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@69173a6c -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2018-07-09 10:00:57.867 WARN  [C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-AdminTaskTimer] [c.m.v.a.ThreadPoolAsynchronousRunner:211] - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@69173a6c -- APPARENT DEADLOCK!!! Complete Status: 
Managed Threads: 3
Active Threads: 3
Active Tasks: 
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@58a9583a
on thread: C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-HelperThread-#1
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@55df754f
on thread: C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-HelperThread-#0
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@7d5ec44b
on thread: C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-HelperThread-#2
Pending Tasks: 
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@346fd2c
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@29975562
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@e66aa43
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@76341c17
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@572066a1
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@103200b7
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@42ccf6af
Pool thread stack traces:
Thread[C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-HelperThread-#0,5,main]
java.DualStackPlainSocketImpl.connect0(Native Method)
java.DualStackPlainSocketImpl.socketConnect(Unknown Source)
java.AbstractPlainSocketImpl.doConnect(Unknown Source)
java.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
java.AbstractPlainSocketImpl.connect(Unknown Source)
java.PlainSocketImpl.connect(Unknown Source)
java.SocksSocketImpl.connect(Unknown Source)
java.Socket.connect(Unknown Source)


net.sf.log4jdbc.DriverSpy.connect(DriverSpy.java:728)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:203)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1125)
com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44)
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)
Thread[C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-HelperThread-#1,5,main]
java.DualStackPlainSocketImpl.connect0(Native Method)
java.DualStackPlainSocketImpl.socketConnect(Unknown Source)
java.AbstractPlainSocketImpl.doConnect(Unknown Source)
java.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
java.AbstractPlainSocketImpl.connect(Unknown Source)
java.PlainSocketImpl.connect(Unknown Source)
java.SocksSocketImpl.connect(Unknown Source)

net.sf.log4jdbc.DriverSpy.connect(DriverSpy.java:728)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:203)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1125)
com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44)
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)
Thread[C3P0PooledConnectionPoolManager[identityToken->1bqrudf9wyma3jctc8ecn|172099cb]-HelperThread-#2,5,main]
java.DualStackPlainSocketImpl.connect0(Native Method)
java.DualStackPlainSocketImpl.socketConnect(Unknown Source)
java.AbstractPlainSocketImpl.doConnect(Unknown Source)
java.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
java.AbstractPlainSocketImpl.connect(Unknown Source)
java.PlainSocketImpl.connect(Unknown Source)
java.SocksSocketImpl.connect(Unknown Source)
java.Socket.connect(Unknown Source)

net.sf.log4jdbc.DriverSpy.connect(DriverSpy.java:728)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:203)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1125)
com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44)
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870)

com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)

 

 

就是数据库连接问题，哈哈哈哈！  选中查看答案~

 

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