[C3P0PooledConnectionPoolManager[identityToken->1bqp3cm9kkt5ab918iohql|175cd55a]-HelperThread-#2] [mchange.v2.resourcepool.BasicResourcePool] log com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@12c6a302 -- 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.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:673)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:715)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:385)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:30)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:564)
	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:445)
	at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:464)
	at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:594)
	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:229)
	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1360)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:486)
	... 13 more
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:162)
	at oracle.net.nt.ConnOption.connect(ConnOption.java:133)
	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:411)
	... 18 more