Linux oracle监听启动失败

报错提示:
The listener supports no services
The command completed successfully

修改服务器主机名

[root@myhost]# vi /etc/hosts
添加
127.0.0.1 主机名
ip  主机名

问题原因:数据库实例没注册到listener

步骤一:

在/oracle/product/11.2.0/db/network/admin/listener.ora里面添加了一行

SID_LIST_LISTENER =  
(SID_LIST =  
  (SID_DESC =  
  (GLOBAL_DBNAME = orcl)
  (SID_NAME = orcl)
  )
)

--监听文件的内容
more listener.ora
注:里面的orcl根据你安装的数据库实例名确定,我用此法解决了这个报错。

步骤二:


启动后,提示IInstance "orcl", status UNKNOWN, has 1 handler(s) for this service...这个提示一般认为很正常,是由于实例没有注册到监听服务中去,于是注册实例 

登入sqlplus

sqlplus / as sysdba
显示服务名:
show parameter service_names
强制注册服务:
alter system register;
查看监听状态:

lsnrctl status



要在Linux启动Oracle监听,可以按照以下步骤操作: 1. 以oracle用户身份登录到Linux系统。 2. 打开终端,进入Oracle的安装目录下的bin目录。 3. 执行以下命令启动监听程序: ``` ./lsnrctl start ``` 4. 如果监听程序启动成功,终端会输出类似以下的信息: ``` Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 11.2.0.1.0 - Production System parameter file is /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora Log messages written to /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))) Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production Start Date 20-AUG-2019 07:18:20 Uptime 0 days 0 hr. 0 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora Listener Log File /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))) Services Summary... Service "orcl" has 1 instance(s). Instance "orcl", status READY, has 1 handler(s) for this service... The command completed successfully ``` 这表示监听程序已经启动,并且在本地监听1521端口。 如果监听程序启动失败,终端会输出错误信息,可以根据错误信息进行排查和修复。 5. 可以使用以下命令检查监听程序的状态: ``` ./lsnrctl status ``` 如果监听程序正常运行,终端会输出类似以下的信息: ``` Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production Start Date 20-AUG-2019 07:18:20 Uptime 0 days 0 hr. 4 min. 34 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora Listener Log File /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))) Services Summary... Service "orcl" has 1 instance(s). Instance "orcl", status READY, has 1 handler(s) for this service... The command completed successfully ``` 如果监听程序没有正常运行,可以根据错误信息进行排查和修复。
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