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解决连接Oracle 11g报ORA-01034和ORA-27101的错误

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Release: 2016-06-07 16:46:17
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解决连接Oracle 11g报ORA-01034和ORA-27101的错误

我本机安装的数据库版本是Oracle 11G R2,用plsql连接时候,报ora-12514如下错误:

解决连接Oracle 11g报ORA-01034和ORA-27101的错误


但是在cmd里用sqlplus连接已经创建的用户时候,报如下错误:

解决连接Oracle 11g报ORA-01034和ORA-27101的错误


ORA-01034 - Oracle not available
ORA-27101 - shared memory realm does not exist
网上查了几个解决资料,说是oracle home和sid的问题,或者是让使用Net Configuration Assistant重建本地网络服务名。实践了一下,,都不管用。
经过总结,使用如下方法解决比较好:
1、首先看一下 ORACLE_BASE\ORACLE_HOME\DATABASE 下面的 ORADIM.LOG 文件
E:\app\psun\product\11.2.0\dbhome_1\database:
看日志才发现原来报的下面的错误!!
ORA-00119: invalid specification for system parameter LOCAL_LISTENER
ORA-00132: syntax error or unresolved network name 'LISTENER_ORCL'

解决连接Oracle 11g报ORA-01034和ORA-27101的错误


2、进过查找该错误,发现是tnsnames.ora文件中少了如下语句的原因
LISTENER_MAXIMO =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
添加后,重启数据库实例服务,重启监听程序:


再次使用SQLPLUS、plsql连接,好了,呵呵!

解决连接Oracle 11g报ORA-01034和ORA-27101的错误

更多Oracle相关信息见Oracle 专题页面 ?tid=12

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