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oracle 监听服务配置
最近在red hat 6.6虚拟机上安装了Oracle 11gR2数据库,安装完毕,使用没有问题,通过主机也可以访问到虚拟机上的数据库。然而,在重新启动虚拟机后,主机无法访问到数据库,提示错误:
PS C:\Users\13842> sqlplus sys/Lijiaman3102700@orcl as sysdba SQL*Plus: Release 11.2.0.1.0 Production on 星期六 2月 25 16:56:47 2017 Copyright (c) 1982, 2010, Oracle. All rights reserved. ERROR: ORA-12541: TNS: 无监听程序 请输入用户名:
发现没有监听程序,于是到虚拟机上查看监听器状态,结果如下:
LSNRCTL> status Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) TNS-12541: TNS:no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 2: No such file or directory Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))) TNS-12541: TNS:no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused
发现是监听器没有启动,启动即可:
[oracle@localhost Desktop]$ lsnrctl start LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 25-FEB-2017 18:13:56 Copyright (c) 1991, 2009, Oracle. All rights reserved. Starting /home/app/oracle/product/11.2.0/dbhome_1/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 11.2.0.1.0 - Production System parameter file is /home/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora Log messages written to /home/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521))) Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(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 25-FEB-2017 18:13:56 Uptime 0 days 0 hr. 0 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /home/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora Listener Log File /home/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521))) (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))) The listener supports no services The command completed successfully
启动之后,新的问题又出现了,在倒数第2行,提示:The listener support no services。说明Oracle的服务并没有注册到监听器,这时,使用主机上的客户端连接数据库,会提示错误:
ERROR: ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务
接下来配置监听服务信息,在虚拟机上打开网络管理界面:
[oracle@localhost Desktop]$ netmgr
出现如下界面,点击Local->Listeners->Listener->Database Services->Add Database:
三个参数设置:
· Global Database Name:
SQL> select * from global_name; GLOBAL_NAME -------------------------------------------------------------------- ORCL
· Oracle Home Dictionary: Oracle安装路径,一般为:../app/oracle/product/11.2.0/dbhome_1
· SID:默认ORCL
点击File->Save network Configuration。
重启数据库,解决。
oracle 监听服务配置
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