ORACLE监听器 The listener supports no services
安装环境： 操作系统版本：RHCLE5 ORACLE版本：11gR2 开启监听器，远程连接报错： ORA-12514: TNS:linstener does not currently know of service requested in connect descriptor 解决问题思路： 查看监听器状态，关闭后重新启动监听器
[oracle@rhel5 admin]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 14-AUG-2012 19:20:55
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Starting /u01/app/oracle/product/11.2/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.1.0 - Production
System parameter file is /u01/app/oracle/product/11.2/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/rhel5/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.11.210)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.11.210)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 14-AUG-2012 19:20:55
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/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/rhel5/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.11.210)(PORT=1521)))
The listener supports no services
The command completed successfully
结果发现错误信息：The listener supports no services
查看数据库service_name
> show parameter service
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
service_names string orcl
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手工注册有时能够解决问题：
alter system register; System altered.
查看监听器状态： [oracle@rhel5 admin]$ lsnrctl start
注册成功：
[oracle@rhel5 admin]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 14-AUG-2012 20:23:26
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rhel5.oraclelinux.com)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 14-AUG-2012 20:22:49
Uptime 0 days 0 hr. 0 min. 36 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/rhel5/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=rhel5.oraclelinux.com)(PORT=1521)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
注册依然失败：
[oracle@rhel5 admin]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 14-AUG-2012 20:18:02
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rhel5.oraclelinux.com)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 14-AUG-2012 20:17:45
Uptime 0 days 0 hr. 0 min. 17 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/rhel5/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=rhel5.oraclelinux.com)(PORT=1521)))
The listener supports no services
The command completed successfully
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依然有错误信息：The listener supports no services
重建监听器： 问题依旧
查看LISTENER内容：
重启监听器，问题解决。
[oracle@rhel5 admin]$ cat listener.ora
# listener.ora Network Configuration File: /u01/app/oracle/product/11.2/network/admin/listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rhel5.oraclelinux.com)(PORT = 1521))
)
)
ADR_BASE_LISTENER = /u01/app/oracle
在LISTENER里添加内容：
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(GLOBAL_DBNAME=orcl)
(SID_NAME=orcl)
(ORACLE_HOME=/home/oracle/app/oracle/product/11.2.0/dbhome_1)
(PRESPAWN_MAX=20)
(PRESPAWN_LIST=
(PRESPAWN_DESC=(PROTOCOL=tcp)(POOL_SIZE=2)(TIMEOUT=1))
)
)
)
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重启监听器，问题解决。