ORA-00115: connection refused; dispatcher connection table is full

文档解释

ORA-00115: connection refused; dispatcher connection table is full

Cause: A connection request was refused by a dispatcher because the dispatcher cannot support any more connections.

Action: Connect to a different dispatcher, or use a dedicated server.

ORA-00115: 官方英文解释

cause: An attempt was made to open a database in an invalid state.

官方解释

常见案例

1. 打开数据库时,检查发现系统参数open_cats不够大导致

2. 数据库startup慢(startup之前的操作比较复杂且耗时)

3. pmon挂掉,数据库无法startup

正常处理方法及步骤

1. 首先检查系统参数open_cats,确定是否设置够大

2. 结束startup时有没有错误出现,考虑处理之前可以把open_cats设大一点

3. 确定pmon挂掉以后,数据库状态为Read-Only和 Mounted,手动选择startup语句,如果出现这个问题,可以把open_cats设大一点

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