TNS-12537、TNS-12560、TNS-00507、Linux Error:29 組合錯誤解決方案

今天很是鬱悶，伺服器用了很長時間都沒有問題。

早上使用過程中發現串連不上，經確認為機房斷電，發機後主機啟動正常，但是出現資料庫監聽器無法啟動。

主要錯誤和解決過程如下：

[root@bddb 10.2.0]# su - oracle
[oracle@bddb ~]$ lsnrctl status

LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 09-DEC-2011 08:39:29

Copyright (c) 1991, 2007, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=bddb)(PORT=1521)(IP=FIRST)))
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=192.168.100.11)(PORT=1521)(IP=FIRST)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   Linux Error: 111: Connection refused
[oracle@bddb ~]$ exit
logout
[root@bddb 10.2.0]# vi /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
192.168.100.11  bddb    bddb
127.0.0.1       bddb    localhost
~
~
~
~
"/etc/hosts" 4L, 163C written
[root@bddb 10.2.0]# su - oracle
[oracle@bddb ~]$ lsnrctl start

LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 09-DEC-2011 08:41:35

Copyright (c) 1991, 2007, Oracle.  All rights reserved.

TNS-01106: Listener using listener name LISTENER has already been started