连linux下lsnrctl start命令启动oracle监听时候报错 我是新手 求高人指点 希望尽可能详细些

Posted 2023-05-11

报如下错误
TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Log messages written to /opt/oracle/product/10.2/db_1/network/log/listener.log
Error listening on: (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
TNS-12542: TNS:address already in use
TNS-12560: TNS:protocol adapter error
TNS-00512: Address already in use
Linux Error: 98: Address already in use
如何修改listener.ora或者netca重建步骤 解决问题就好 追加20分

参考技术A 应该是1521端口被占用了吧。
netstat -ntulp|grep 1521查询看看，如果有的话那就是呗占用了。 参考技术B 首先用lsnrctl status检查你的监听状态，看看什么情况，把结果贴出来，然后看看寻找原因 参考技术C 重启猫 路由 查线 参考技术D 请将你的HOST的localhost改为你所使用的IP地址，然后重新启动再试试，前提是你的环境变量配置正确。祝福你！

操作错误： lsnrctl启动报错(lsnrctl start)，Linux Error: 29: Illegal seek

文章目录

• 错误
• 诊断
• 解决

错误

刚装了一个数据库，启动lsnrctl 报错:

[oracle@server1 ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 26-MAY-2019 07:34:15

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Starting /u01/oracle/product/11.2.0/dbhome_1/bin/tnslsnr: please wait...

TNS-12537: TNS:connection closed
 TNS-12560: TNS:protocol adapter error
  TNS-00507: Connection closed
   Linux Error: 29: Illegal seek

诊断

尝试使用tnslsnr确认

[oracle@server1 admin]$ tnslsnr
Unable to resolve address for localhost:6100
ONS runtime exiting

查看/ect/hosts 文件

[oracle@server1 admin]$ cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1               server1.oracle.com server1 ★
::1             localhost6.localdomain6 localhost6

192.168.56.11  server1.oracle.com server1
192.168.56.12  server2.oracle.com server2

解决

原来是在修改/ect/hosts 文件时把127.0.0.1这一行给改错了。

[oracle@server1 admin]$ su - root
Password:
[root@server1 ~]# vi /etc/hosts
[root@server1 ~]# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1       localhost.localdomain localhost
::1             localhost6.localdomain6 localhost6

192.168.56.11  server1.oracle.com server1
192.168.56.12  server2.oracle.com server2

再次启动成功。

[oracle@server1 admin]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 26-MAY-2019 07:44:40

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Starting /u01/oracle/product/11.2.0/dbhome_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.3.0 - Production
System parameter file is /u01/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Log messages written to /u01/oracle/diag/tnslsnr/server1/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=server1.oracle.com)(PORT=1521)))

Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date                26-MAY-2019 07:44:40
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File         /u01/oracle/diag/tnslsnr/server1/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=server1.oracle.com)(PORT=1521)))
The listener supports no services
The command completed successfully
[oracle@server1 admin]$

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