1. 解释ORA-12514错误的含义 ORA-12514错误是Oracle数据库中的一个常见错误,具体错误信息为“TNS does not currently know of service requested in connect descriptor”。这意味着Oracle监听器(Listener)无法识别客户端连接请求中指定的服务名。 2. 提供可能导致ORA-12514错误的原因 服务名错误:客户端连接字符串中的...
I need to connect to Oracle XE 18.0.0 through DBeaver 7.0 but failed due to errorListener refused the connection with the following error: ORA-12514, TNS:listener does not currently know of service requested in connect descriptorThe connection to Oracle with SQLPlus works without...
刚安装的DBeaver连接Oracle数据库报错: 错误: Can’t create driver instance Error creating driver ‘Oracle’ instance. Most likely required jar files are missing. You should configure jars in driver settings. Reason: can’t load driver class ‘oracle.jdbc.OracleDriver’ Error creating driver ‘Oracle...
如果不能连接到数据库,则在tnsname.ora文件中的test网络服务名(net service)后面加上Oracle数据库的DB_Domain参数值,通过用sqlplus> show parameter db_domain命令察看。此处db_domain参数值为testserver.com,将其加到网络服务名后面,修改后的tnsname.ora中关于该网络服务名的内容为: test.testserver.com = (DESCR...
使用DBeaver远程连接Oracle数据库出现错误“listener does not currently know of service requested in connect descrip”,但是同事却能正常连接,对比了主机名,用户名,密码都是正确的,也能ping通。百度了好多都说是要修改listener.ora,但是其他人能正常连接,说明不是配置文档的问题,请教... ...