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  • Oracle诊断: 服务器启后,无法连接

    Oracle 服务器启后,使用Toad 客户端连接oracle 时候,遇到下面的错误:

    oracle ORA-12514: TNS: no listener

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

     

    第一步:启动TNS监听

    [oracle@oracle ~]$ 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-2014 20:07:43
    Uptime                    0 days 0 hr. 0 min. 0 sec
    Trace Level               off
    Security                  ON: Local OS Authentication
    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:启动数据库

    [oracle@oracle ~]$ startup    (正常启动数据库)

    [oracle@oracle ~]$ startup    (强制关闭数据库+ 正常启动数据库)

     

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  • 原文地址:https://www.cnblogs.com/recognition/p/4828385.html
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