Linux Error 111: Connection refused

[oracle@wrath trace]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 30-APR-2010 10:42:24

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/wrath/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=wrath.ehjconsultancy.com)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12547: TNS:lost contact
 TNS-12560: TNS:protocol adapter error
  TNS-00517: Lost contact
   Linux Error: 104: Connection reset by peer
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=wrath.ehjconsultancy.com)(PORT=1521)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   Linux Error: 111: Connection refused
[oracle@wrath trace]$ 

[oracle@wrath trace]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 30-APR-2010 10:55:27

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/wrath/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=wrath.ehjconsultancy.com)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date                30-APR-2010 10:55:29
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/wrath/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=wrath.ehjconsultancy.com)(PORT=1521)))
The listener supports no services
The command completed successfully
[oracle@wrath trace]$ 

21 thoughts on “Linux Error 111: Connection refused”

1. hi,

   It really worked. thanks a lot.

   But can you tell me how the loop back entry in /etc/hosts relates to listener ?

   Thanks again.

2. hi,Thank you very much.

3. Hi Guys

   Really Itz good solution, it was worked and given results at the time of botttle neck.

   Cheers
   Sudhakar

4. Thank you very much.

5. After some googling I came accross this post. It helped me. For me the problem was the server on which the Oracle DB was installed was a VM and it was moved. So, had to change the ip address mention in the hosts file and it started working.
   Thanks for the inputs.

6. This worked specially with copied VM where network settings needs to be rebuilt. Thank you!

7. Your suggestion to put in the lines in the /etc/host file:

   127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
   ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

   fixed the problem! Thanks!

8. This worked like a charm !!

   Had i not read your post, it were going to be a huge challenge for me getting a workaround to this problem. I’ve spent a whole day trying to resolve this silly little issue – almost done every revamp possible but couldn’t overcome this problem. A big thanks to you, would you be able to shed some light as to why would we require uncommenting the loopback ? What kind of significance does it actually play ?

   Thank you again.

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10. Thanks for such a great solution. Saved my day 😀

11. Thanks

12. Spend an hour to try to fix my problem !
    Your solution worked for me.
    Thanks

13. thanks you saved my times thank you so much

14. Yes it really works..
    Thanks a lot 🙂

15. You saved me from a lot of truble.
    Thanks man

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17. It really helped me, can you please explain how did it fixed the issue?

18. Thank you so much.. This really worked in my case and resolve problem.

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20. It really worked. I had commented on the localhost value in /etc/hosts.

21. Thank you