ORA-12533: TNS:illegal ADDRESS parameters

文档解释

ORA-12533: TNS:illegal ADDRESS parameters

Cause: An illegal set of protocol adapter parameters was specified. In some cases, this error is returned when a connection cannot be made to the protocol transport.

Action: Verify that the destination can be reached using the specified protocol. Check the parameters within the ADDRESS section of TNSNAMES.ORA. Legal ADDRESS parameter formats may be found in the Oracle operating system specific documentation for your platform. Protocols that resolve names at the transport layer (such as DECnet object names) are vulnerable to this error if not properly configured or names are misspelled.

ORA-12533:TNS:illegal ADDRESS parameters 错误提示,连接到数据库实例的参数无效。

官方解释

ORA-12533 表示在 Oracle 通信协议中检测到错误的地址参数。

常见案例

1. TNSNames.ora中地址参数错误或数据库没有配置该地址参数;

2. 网络连接或硬件设备出现故障;

3. 共享服务进程没有启动;

正常处理方法及步骤

1. 检查TNSNames.ora文件,确保有效的地址参数;

2. 重启网络连接或硬件设备;

3. 启动共享服务进程;

4. 如果TNSNames.ora文件中存在多个有效地址参数,那么尝试使用这些参数中的另一个连接;

5. 重新启动Oracle实例;

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