【故障|监听】TNS-12545、TNS-12560、TNS-00515和Linux Error: 111

本文主要是介绍【故障|监听】TNS-12545、TNS-12560、TNS-00515和Linux Error: 111，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

【故障|监听】TNS-12545、TNS-12560、TNS-00515和Linux Error: 111: Connection refused

Linux Error: 111: Connection refused

[oracle@edsir4p1-PROD1 ~]$ ps -ef|grep tns

oracle 5462 5357 0 05:22 pts/2 00:00:00 grep tns

[oracle@edsir4p1-PROD1 ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 13-SEP-2017 05:22:24

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/edsir4p1/listener/alert/log.xml

Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=edsor4p1.us.oracle.com)(PORT=1521)))

TNS-12545: Connect failed because target host or object does not exist

TNS-12560: TNS:protocol adapter error

TNS-00515: Connect failed because target host or object does not exist

Linux Error: 111: Connection refused

Listener failed to start. See the error message(s) above...

[oracle@edsir4p1-PROD1 ~]$ more /etc/hosts

# Do not remove the following line, or various programs

# that require network functionality will fail.

127.0.0.1 localhost.localdomain localhost

10.190.104.111 edsir4p1.us.oracle.com edsir4p1

10.190.104.28 edsir1p8.us.oracle.com edsir1p8

[oracle@edsir4p1-PROD1 ~]$ more /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora

# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora

# Generated by Oracle configuration tools.

LISTENER =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = edsor4p1.us.oracle.com)(PORT = 1521))

)

ADR_BASE_LISTENER = /u01/app/oracle

原因：主机名写错了。应该是edsir4p1.us.oracle.com，而不是edsor4p1.us.oracle.com

修改之后：

[oracle@edsir4p1-PROD1 ~]$ more /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora

# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora

# Generated by Oracle configuration tools.

LISTENER =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = edsir4p1.us.oracle.com)(PORT = 1521))

)

ADR_BASE_LISTENER = /u01/app/oracle

[oracle@edsir4p1-PROD1 ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 13-SEP-2017 05:30:08

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/edsir4p1/listener/alert/log.xml

Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=edsir4p1.us.oracle.com)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=edsir4p1.us.oracle.com)(PORT=1521)))

STATUS of the LISTENER

------------------------

Alias LISTENER

Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production

Start Date 13-SEP-2017 05:30:08

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/dbhome_1/network/admin/listener.ora

Listener Log File /u01/app/oracle/diag/tnslsnr/edsir4p1/listener/alert/log.xml

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=edsir4p1.us.oracle.com)(PORT=1521)))

The listener supports no services

The command completed successfully

About Me

.............................................................................................................................................

● 本文作者：小麦苗，只专注于数据库的技术，更注重技术的运用

● 本文在itpub（http://blog.itpub.net/26736162/abstract/1/）、博客园（http://www.cnblogs.com/lhrbest）和个人微信公众号（xiaomaimiaolhr）上有同步更新

● 本文itpub地址：http://blog.itpub.net/26736162/abstract/1/

● 本文博客园地址：http://www.cnblogs.com/lhrbest

● 本文pdf版、个人简介及小麦苗云盘地址：http://blog.itpub.net/26736162/viewspace-1624453/

● 数据库笔试面试题库及解答：http://blog.itpub.net/26736162/viewspace-2134706/

● DBA宝典今日头条号地址：http://www.toutiao.com/c/user/6401772890/#mid=1564638659405826

.............................................................................................................................................

● QQ群号：230161599（满）、618766405

● 微信群：可加我微信，我拉大家进群，非诚勿扰

● 联系我请加QQ好友（646634621），注明添加缘由

● 于 2017-09-01 09:00 ~ 2017-09-30 22:00 在魔都完成

● 文章内容来源于小麦苗的学习笔记，部分整理自网络，若有侵权或不当之处还请谅解

● 版权所有，欢迎分享本文，转载请保留出处

.............................................................................................................................................

● 小麦苗的微店：https://weidian.com/s/793741433?wfr=c&ifr=shopdetail

● 小麦苗出版的数据库类丛书：http://blog.itpub.net/26736162/viewspace-2142121/

.............................................................................................................................................

使用微信客户端扫描下面的二维码来关注小麦苗的微信公众号（xiaomaimiaolhr）及QQ群（DBA宝典），学习最实用的数据库技术。

小麦苗的微信公众号小麦苗的DBA宝典QQ群1 小麦苗的DBA宝典QQ群2 小麦苗的微店

.............................................................................................................................................