Oracle Listener fails to start (tns-12537,tns-12560,tns-00507)

Source: Internet
Author: User
Tags reserved


Oracle initiates monitoring error, indicating connection interruption
[oracle@localhost ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 06-AUG-2014 20:02:16 Copyright (c) 1991, 2009, Oracle.  All rights reserved.

Starting /opt/oracle/11g/bin/tnslsnr: please wait...

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


This is generally the host name is not correct, observe the listening status, monitoring host named localhost:


[oracle@localhost ~]$ lsnrctl status

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 06-AUG-2014 20:02:48 Copyright (c) 1991, 2009, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   Linux Error: 111: Connection refused
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   Linux Error: 111: Connection refused


View host name, found in/etc/hosts localhost only want multiple addresses, triggering a listener conflict


[root@localhost ~]# cat /etc/hosts 127.0.0.1 localhost.domain localhost 10.4.40.70  localhost


Modify Host Name:



1 hostname


Hostname Oracle


2/etc/hosts


127.0.0.1 localhost localhost.domain192.168.0.1 Oracle


3/etc/sysconfig/network


hostname = Oracle


Start again, success


[oracle@oracle ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 06-AUG-2014 20:07:41 Copyright (c) 1991, 2009, Oracle.  All rights reserved.

Starting /opt/oracle/11g/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.1.0 - Production
System parameter file is /opt/oracle/11g/network/admin/listener.ora
Log messages written to /opt/oracle/diag/tnslsnr/oracle/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(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 06-AUG-2014 20:07:43 Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File /opt/oracle/11g/network/admin/listener.ora
Listener Log File /opt/oracle/diag/tnslsnr/oracle/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
The listener supports no services
The command completed successfully




Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.