The listener supports no services

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$ lsnrctl start

报错提示:

The listener supports no services The command completed successfully 如图所示:

这样启动后远程连接会报错: oracle ORA-12514:TNS:listener does not currently know of service requested in connect descriptor

问题原因:数据库实例没注册到listener

解决方法一: 在listener.ora里面添加了一行

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC = (GLOBAL_DBNAME = orcl)

(SID_NAME = orcl) ) )

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。

解决方法二: 登录数据库:

$sqlplus / as sysdba

显示服务名:

SQL>show parameter service_names

强制注册服务:

SQL>alter system register;

查看监听状态: $lsnrctl status

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问题1:Oracle数据库监听启动失败(重启监听,提示The listener supports no services)

The code signature version is no longer supported.

The view or its master was not found or no view engine supports the searched locations