客户的服务器经常宕机，搞疯了，经常报C3P0这类的错误，下面是错误代码，求大神帮忙看看到底什么原因啊

Pool thread stack traces:
2016.06.29 15:30:09: Console output,INFO: Thread[C3P0PooledConnectionPoolManager[identityToken->z8kflt9hk5c6n81lcxknw|13ac62e]-HelperThread-#1,5,EarServiceManager]
2016.06.29 15:30:09: Console output,INFO: java.net.SocketInputStream.socketRead0(Native Method)
2016.06.29 15:30:09: Console output,INFO: java.net.SocketInputStream.read(SocketInputStream.java:129)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.Packet.receive(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.DataPacket.receive(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1099)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1070)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4C8TTIdty.receive(T4C8TTIdty.java:441)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:297)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:414)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CConnection.(T4CConnection.java:165)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:146)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:195)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:184)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1086)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1073)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1810)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:648)

还有这个
Thread[C3P0PooledConnectionPoolManager[identityToken->z8kflt9hk5c6n81lcxknw|13ac62e]-HelperThread-#0,5,EarServiceManager]
2016.06.29 15:30:09: Console output,INFO: java.net.SocketInputStream.socketRead0(Native Method)
2016.06.29 15:30:09: Console output,INFO: java.net.SocketInputStream.read(SocketInputStream.java:129)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.Packet.receive(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.DataPacket.receive(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1099)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1070)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CTTIoauthenticate.receiveOauth(T4CTTIoauthenticate.java:746)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:362)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:414)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CConnection.(T4CConnection.java:165)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:146)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:195)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:184)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1086)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1073)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1810)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:648)
2016.06.29 15:30:09: Console output,INFO: Thread[C3P0PooledConnectionPoolManager[identityToken->z8kflt9hk5c6n81lcxknw|13ac62e]-HelperThread-#2,5,EarServiceManager]
2016.06.29 15:30:09: Console output,INFO: java.net.SocketInputStream.socketRead0(Native Method)
2016.06.29 15:30:09: Console output,INFO: java.net.SocketInputStream.read(SocketInputStream.java:129)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.Packet.receive(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.DataPacket.receive(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.net.ns.NetInputStream.read(Unknown Source)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1099)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1070)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CTTIoauthenticate.receiveOauth(T4CTTIoauthenticate.java:746)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:362)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:414)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CConnection.(T4CConnection.java:165)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
2016.06.29 15:30:09: Console output,INFO: oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:146)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:195)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:184)
2016.06.29 15:30:09: Console output,INFO: com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200)
2016.06.29 15:30:10: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1086)
2016.06.29 15:30:10: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1073)
2016.06.29 15:30:10: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44)
2016.06.29 15:30:10: Console output,INFO: com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1810)
2016.06.29 15:30:10: Console output,INFO: com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:648)
2016.06.29 15:30:10: Console output,INFO:
2016.06.29 15:30:10: Console output,INFO: >

全都是info没有错误吧

可能是c3p0连接池的最大链接太少了，，或其他问题吧