TNS-12537, TNS-12560,TNS-00507 Linux Error: 29: Illegal seek error
TNS-12537, TNS-12560,TNS-00507 Linux Error: 29: Illegal seek error
错误现象：
TNS-12537: TNS:connectionclosed
TNS-12560: TNS:protocol adapter error
TNS-00507: Connection closed
Linux Error: 29: Illegal seek
参考文档：
参考：Metalink[ID 315720.1] TNS Listener Fails To Start With Errors:TNS-12537...Error: 29: Illegal seek [ID 315720.1]
且我已经转载：http://www.prudentwoo.com/archives/704?preview=true
问题分析：
主要是因为系统的host文件中的默认值被修改导致。
解决办法：
只需要将host文件中默认的如下这句话添加上去即可。
127.0.0.1 localhost.localdomainlocalhost
[root@prudentwoo ~]# vi /etc/hosts
# thatrequire network functionality will fail.
127.0.0.1 localhost.localdomain localhost
修改完毕之后，监听可以启动：
[oracle@prudentwoo admin]$ lsnrctl start
LSNRCTLfor Linux: Version 11.2.0.1.0 - Production on 12-DEC-2012 03:01:27
Copyright(c) 1991, 2009, Oracle. All rightsreserved.
Starting/DBSOFT/produce/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNRfor Linux: Version 11.2.0.1.0 - Production
Systemparameter file is /DBSOFT/produce/11.2.0/db_1/network/admin/listener.ora
Logmessages written to /DBSOFT/diag/tnslsnr/prudentwoo/listener/alert/log.xml
Listeningon: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.168.9.10)(PORT=1521)))
Connectingto (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.168.9.10)(PORT=1521)))
STATUSof the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version11.2.0.1.0 - Production
StartDate 12-DEC-2012 03:01:27
Uptime 0 days 0 hr. 0 min. 0 sec
TraceLevel off
Security ON: Local OS Authentication
SNMP OFF
ListenerParameter File /DBSOFT/produce/11.2.0/db_1/network/admin/listener.ora
ListenerLog File /DBSOFT/diag/tnslsnr/prudentwoo/listener/alert/log.xml
ListeningEndpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.168.9.10)(PORT=1521)))
Thelistener supports no services
Thecommand completed successfully