kettle连接Oracle报错

kettle连接Oracle报错kettle连接Oracle报错报错信息 kettle连接Oracle报错 报错信息 错误连接数据库 [aaa] : org.pentaho.di.core.exception.KettleDatabaseException: Error occurred while trying to connect to the database Error connecting to database: (using class oracle.jdbc.driver.OracleDriver) Listener refused the connection with th