我使用的是Oracle 10g ,我用sys用户以dba身份连接后,用shutdown immediate 命令关闭数据库,然后再使用 startup mount 命令装载数据库的时候报错:
ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务 。我必须重新启动实例服务后才能够正常连接上,这是为何??
ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务 。我必须重新启动实例服务后才能够正常连接上,这是为何??
原来的listener.ora文件中是:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
)LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = FHWL-MYH)(PORT = 1521))
)
)在SID_LIST_LISTENER中添加监听的实例:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_DBNAME = ORCL)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(SID_NAME = ORCL)
) )LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = FHWL-MYH)(PORT = 1521))
)
)
重新启动服务.再次执行shutdown immediate 和 startup 命令。