Oracle 伺服器啟後，無法串連

標籤：

Oracle 伺服器啟後，使用Toad 用戶端串連oracle 時候，遇到下面的錯誤：

oracle ORA-12514: TNS: no listener

TNS: listener does not currently know of SID give in connect descriptor

 

第一步：啟動TNS監聽

[[email protected] ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 06-AUG-2014 20:07:41

Copyright (c) 1991, 2009, Oracle.  All rights reserved.

Starting /opt/oracle/11g/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.1.0 - Production
System parameter file is /opt/oracle/11g/network/admin/listener.ora
Log messages written to /opt/oracle/diag/tnslsnr/oracle/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias                    LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date                06-AUG-201420:07:43
Uptime                    0 days 0 hr. 0min. 0 sec
Trace Level              off
Security                  ON: Local OSAuthentication
SNMP                      OFF
Listener Parameter File   /opt/oracle/11g/network/admin/listener.ora
Listener Log File         /opt/oracle/diag/tnslsnr/oracle/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
The listener supports no services
The command completed successfully

 

 

第二步：啟動資料庫

[[email protected] ~]$ startup    (正常啟動資料庫)

或

[[email protected] ~]$ startup    (強制關閉資料庫+ 正常啟動資料庫)

 

 

Oracle 伺服器啟後，無法串連