17. ORA-12514:TNS:listener does not currently know of service requested in connectdescriptor - 监听程序未注册请求的服务。检查服务名是否正确,或重启监听程序。 18. ORA-28001:口令已经失效 - 用户的...
ORA-12514是Oracle数据库中常见的一个错误,全称为“TNS:listener does not currently know of service requested in connect descriptor”。该错误表明客户端尝试连接到Oracle数据库时,监听器无法识别请求的服务...
Oracle 11g 数据库后,启动监听时可能会遇到 “The listener supports no services” 的问题,该问题导致远程连接时出现 ORA-12514:TNS:listener does not currently know of service requested in connect ...
ORA-12541 TNS:listener does not currently know of service requested in connect descriptor **描述:** 当尝试连接到Oracle数据库时,如果出现此错误,通常表示监听器未能识别服务请求中的服务。 **解决方案...
### 错误一:ORA-12541 TNS:listener does not currently know of service requested in connect descriptor **描述**:这个错误通常发生在尝试连接到Oracle数据库时,Oracle监听器未能识别请求的服务名。这可能是...
在描述中提到的问题是“ERROR: ORA-12514”,这是一个非常常见的Oracle错误代码,通常表示“TNS:listener does not currently know of service requested in connect descriptor”。这个错误表明客户端尝试连接到...
- **错误提示TNS:listener does not currently know of service requested in connect descriptor**: 检查监听器(listener)配置,确保服务名在 listener.ora 文件中已定义,并且数据库实例正在运行。 2. **SQL...
这种情况下,Oracle数据库可能会报错,如"ORA-12518: TNS:listener could not hand off client connection"或者"ORA-12516: TNS:listener could not find available handler for requested type of server"。...
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17. ORA-12514:TNS:listener does not currently know of service requested in connectdescriptor - 监听程序未注册请求的服务。检查服务名是否正确,或重启监听程序。 18. ORA-28001:口令已经失效 - 用户的...
ORA-12514是Oracle数据库中常见的一个错误,全称为“TNS:listener does not currently know of service requested in connect descriptor”。该错误表明客户端尝试连接到Oracle数据库时,监听器无法识别请求的服务...
错误消息“ORA-12514: TNS:listener does not currently know of service requested in connect descriptor”表明监听器不知道请求的服务。这可能是由于监听器没有配置为监听特定的服务名,或者监听器本身没有启动。...
Oracle 11g 数据库后,启动监听时可能会遇到 “The listener supports no services” 的问题,该问题导致远程连接时出现 ORA-12514:TNS:listener does not currently know of service requested in connect ...
ORA-12541 TNS:listener does not currently know of service requested in connect descriptor **描述:** 当尝试连接到Oracle数据库时,如果出现此错误,通常表示监听器未能识别服务请求中的服务。 **解决方案...
### 错误一:ORA-12541 TNS:listener does not currently know of service requested in connect descriptor **描述**:这个错误通常发生在尝试连接到Oracle数据库时,Oracle监听器未能识别请求的服务名。这可能是...
在描述中提到的问题是“ERROR: ORA-12514”,这是一个非常常见的Oracle错误代码,通常表示“TNS:listener does not currently know of service requested in connect descriptor”。这个错误表明客户端尝试连接到...
- **错误提示TNS:listener does not currently know of service requested in connect descriptor**: 检查监听器(listener)配置,确保服务名在 listener.ora 文件中已定义,并且数据库实例正在运行。 2. **SQL...
这种情况下,Oracle数据库可能会报错,如"ORA-12518: TNS:listener could not hand off client connection"或者"ORA-12516: TNS:listener could not find available handler for requested type of server"。...
当用户尝试使用Navicat连接Oracle数据库时,可能会遇到各种连接错误,如TNS:listener does not currently know of service requested in connect descriptor等。这些问题通常与网络配置、数据库服务状态或客户端组件...