修改参数之后数据库无法启动问题
欢迎进入Oracle社区论坛,与200万技术人员互动交流 >>进入 1.问题: 当设置参数SQLalter system set dispatchers=0 scope=spfile; 参数dispatchers是不能设置为0的,从而导致错误 2.现象:此时数据库无法启动 SQLshutdown immediate; SQLstartup; ORA-00119:
欢迎进入Oracle社区论坛,与200万技术人员互动交流 >>进入
1.问题:
当设置参数SQL>alter system set dispatchers=0 scope=spfile;
参数dispatchers是不能设置为0的,从而导致错误
2.现象:此时数据库无法启动
SQL>shutdown immediate;
SQL>startup;
ORA-00119: invalid specification for system parameter DISPATCHERS
ORA-00111: invalid attribute X
解决方法如下:
找到数据库启动文件:一般的路径为:$ORACLE_HOME/dbs/
然后使用strings spfilededicated.ora
将出现的内容拷贝到一个新的文件中,取出参数dispatchers这一行然后sqlplus连接数据库
启动数据库的时候使用命令
startup pfile=$ORACLE_HOME/dbs/initdedicated.ora
启动之后,执行命令:
create spfile from pfile;
然后重新修改dispatchers参数即可
例如:
alter system set dispatchers='' scope=spfile;
从而数据库可以正常启动。

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