SQL> shutdown immediate;
ORA-24324: service handle not initialized
ORA-24323: value not allowed
ORA-01089: immediate shutdown in progress - no operations are permitted
处理办法：
SQL> startup force
ORACLE instance started.
Total System Global Area 2483027968 bytes
Fixed Size 2022792 bytes
Variable Size 738198136 bytes
Database Buffers 1728053248 bytes
Redo Buffers 14753792 bytes
Database mounted.
Database opened.
