1.APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
抛出以下异常信息：
com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@13067b2 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@13067b2 -- APPARENT DEADLOCK!!! Complete Status:
Managed Threads: 3
Active Threads: 3
Active Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@e1162c
on thread: C3P0PooledConnectionPoolManager[identityToken->1hge1609q1ypllh31mmx1xh|c15b9e]-HelperThread-#1
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@73e33a
on thread: C3P0PooledConnectionPoolManager[identityToken->1hge1609q1ypllh31mmx1xh|c15b9e]-HelperThread-#2
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@1b5de8b
on thread: C3P0PooledConnectionPoolManager[identityToken->1hge1609q1ypllh31mmx1xh|c15b9e]-HelperThread-#0
Pending Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@16a448b
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@1ba2754
Pool thread stack traces:
Thread[C3P0PooledConnectionPoolManager[identityToken->1hge1609q1ypllh31mmx1xh|c15b9e]-HelperThread-#1,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:150)
java.net.SocketInputStream.read(SocketInputStream.java:121)
oracle.net.ns.Packet.receive(Packet.java:282)
oracle.net.ns.NSProtocol.connect(NSProtocol.java:286)
oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)
oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)
oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:172)
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:200)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1127)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1114)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44)
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1855)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)
Thread[C3P0PooledConnectionPoolManager[identityToken->1hge1609q1ypllh31mmx1xh|c15b9e]-HelperThread-#2,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:150)
java.net.SocketInputStream.read(SocketInputStream.java:121)
oracle.net.ns.Packet.receive(Packet.java:282)
oracle.net.ns.NSProtocol.connect(NSProtocol.java:286)
oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)
oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)
oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:172)
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:200)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1127)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1114)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44)
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1855)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)
Thread[C3P0PooledConnectionPoolManager[identityToken->1hge1609q1ypllh31mmx1xh|c15b9e]-HelperThread-#0,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:150)
java.net.SocketInputStream.read(SocketInputStream.java:121)
oracle.net.ns.Packet.receive(Packet.java:282)
oracle.net.ns.NSProtocol.connect(NSProtocol.java:286)
oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)
oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)
oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:172)
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:200)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1127)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1114)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44)
com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1855)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)