Exceptions occurred while trying to close a PooledConnection's resources normally

2014-11-26 01:28:26,346 INFO [Resource Destroyer in BasicResourcePool.close()] NewPooledConnection - [c3p0] Exceptions occurred while trying to close a PooledConnection's resources normally.

2014-11-26 01:28:26,355 INFO [Resource Destroyer in BasicResourcePool.close()] NewPooledConnection - [c3p0] NewPooledConnection close Exception.

java.sql.SQLException: Io exception: Connection timed out

        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)

        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)

        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255)

        at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:480)

        at oracle.jdbc.driver.PhysicalConnection.close(PhysicalConnection.java:1175)

        at com.mchange.v2.c3p0.impl.NewPooledConnection.close(NewPooledConnection.java:549)

        at com.mchange.v2.c3p0.impl.NewPooledConnection.close(NewPooledConnection.java:234)

        at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.destroyResource(C3P0PooledConnectionPool.java:470)

        at com.mchange.v2.resourcepool.BasicResourcePool$1DestroyResourceTask.run(BasicResourcePool.java:964)

        at com.mchange.v2.resourcepool.BasicResourcePool.destroyResource(BasicResourcePool.java:989)

        at com.mchange.v2.resourcepool.BasicResourcePool.access$100(BasicResourcePool.java:32)