ORA-01033: ORACLE initialization or shutdown in progress
Cause: An attempt was made to log on while Oracle is being started up or shutdown.
Action: Wait a few minutes. Then retry the operation.
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该错误为Oracle实例正处于启动或者关闭的过程中，不允许任何操作。
ORA-01033:ORACLE initialization or shutdown in progress
Cause: An attempt was made to log on while Oracle is being started up or shut down.
Action: Wait a few minutes and try again.
1.当关闭Oracle之后，用户不能登录，报以上错误；
2.一台服务器上存在多个Oracle实例，每个实例都会在关闭的时候报出此类的错误；
3.多台安装软件的客户在操作服务器的Oracle等软件时，突然中断，导致服务器上的Oracle实例报ORA-01033: ORACLE initialization or shutdown in progress错误提示。
1. 尝试等待几分钟，重试看看；
2. 检查看看是否有其他进程正在启动或关闭；
3. 如果是多个Oracle实例报这个错误，尝试去操作其他实例；
4. 不行的话，尝试重新启动你的数据库。