ORA-24327 need explicit attach before authenticating a userCause: A server context must be initialized before creating a session.Action: Create and initialize a server handle. 检查下你的程序代码
ORA-24327: need explicit attach before authenticating a user Cause: A server context must be initialized before creating a session. Action: Create and initialize a server handle.
Cause: A server context must be initialized before creating a session.
Action: Create and initialize a server handle.
以前是Off的