ORA-30774: Library “string” was erroneously defined as a trusted library for opaque types
Cause: User has defined some library as trusted library for opaque types.
Action: Trusted libraries for opaque types can only be defined in internal code.
ORA-30774表示错误的定义了”String”作为一个存取类型的受信任的库。
1)确认您是否将String库定义为不透明类型的受信任库;
2)删除对String库的受信任定义;
3)再次运行程序,以确保您已经删除了这个受信任定义;
4)如果您使用String库,您可以继续使用,但是请不要将其定义为受信任的库。