java.sql.SQLException: Listener refused the connection with the following error: ORA-12514, TNS:listener does not currently know of service requested in connect descriptor The Connection descriptor used by the client was: 10.196.200.35:1521/oral18D at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:260) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:386) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:438) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:164) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:752) at com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1666) at com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1732) at com.fr.third.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2907)