c3p0异常,在线等待解救

李大白不吃鸡哦 2017-08-22 05:58:48

com.mchange.v2.resourcepool.BasicResourcePool 

警告: com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@2f1cb09 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: 

java.sql.SQLException: The Network Adapter could not establish the connection

	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:412)

	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)

	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)

	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)

	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)

	at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175)

	at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220)

	at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206)

	at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:203)

	at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138)

	at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1125)

	at com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44)

	at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870)

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

Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection

	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:359)

	at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:422)

	at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:672)

	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:237)

	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)

	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)

	... 13 more

Caused by: java.net.ConnectException: Connection refused: connect

	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)

	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75)

	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:337)

	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:198)

	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)

	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157)

	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)

	at java.net.Socket.connect(Socket.java:579)

	at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:141)

	at oracle.net.nt.ConnOption.connect(ConnOption.java:123)

	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:337)

	... 18 more