一.问题描述：
1.[oracle@orcltest ~]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:51:06
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Starting /u01/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 /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2015 13:51:06
Uptime 0 days 0 hr. 0 min. 10 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
The listener supports no services
The command completed successfully
2. [oracle@orcltest ~]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:51:51
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2015 13:51:06
Uptime 0 days 0 hr. 0 min. 45 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
The listener supports no services
The command completed successfully
[oracle@orcltest ~]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:51:59
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2015 13:51:06
Uptime 0 days 0 hr. 0 min. 52 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
The listener supports no services
The command completed successfully
二、解决问题思路
1.查看监听状态，关闭监听后重新启动监听，用oracle用户
命令：lsnrctl status
[oracle@orcltest ~]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:51:51
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2015 13:51:06
Uptime 0 days 0 hr. 0 min. 45 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
The listener supports no services
The command completed successfully
[oracle@orcltest ~]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:51:59
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2015 13:51:06
Uptime 0 days 0 hr. 0 min. 52 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
The listener supports no services
The command completed successfully
命令：lsnrctl stop
[oracle@orcltest ~]$ lsnrctl stop
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:51:01
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
The command completed successfully
命令： lsnrctl start
[oracle@orcltest ~]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:51:06
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Starting /u01/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 /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2015 13:51:06
Uptime 0 days 0 hr. 0 min. 10 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/orcltest/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
The listener supports no services
The command completed successfully
问题还未解决
2.查看services name
登录数据库，命令：sqlplus / as sysdba
[oracle@orcltest ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Thu Dec 17 13:52:19 2015
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> show parameter service_names --查看服务名称
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
service_names string orcl
SQL> alter system register; --强制注册服务
System altered.
SQL> exit --退出
三、查看监听状态，用户oracle用户
命令：lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2015 13:56:04
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=orcltest.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2015 13:51:06
Uptime 0 days 0 hr. 4 min. 57 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0
home_1/network/admin
stener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/orcltest
stener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orcltest.localdomain)(PORT=1521)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service... --监听中
The command completed successfully