數(shù)據(jù)庫中如何解決ORA-12170:TNS connect timeout occurred問題

這篇文章主要介紹數(shù)據(jù)庫中如何解決ORA-12170:TNS connect timeout occurred問題，文中介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們一定要看完！

公司服務(wù)器周末要加硬盤，周一來后應(yīng)用連不上了。報(bào)錯(cuò)如下 報(bào)錯(cuò)： ORA-12170:TNS connect timeout occurred 

第一反應(yīng)是監(jiān)聽沒開：

1. 測(cè)試了一下， 連接超時(shí)沒用ping 通

C:\Users\Administrator>tnsping brorcl

TNS Ping Utility for 64-bit Windows: Version 11.2.0.1.0 - Production on 15-6月 -2015 09:45:43

Copyright (c) 1997, 2010, Oracle.  All rights reserved.

已使用的參數(shù)文件:

D:\oracle\product\11.2.0\dbhome_1\network\admin\sqlnet.ora

已使用 TNSNAMES 適配器來解析別名

嘗試連接 (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.14.147.112)(PORT = 42525)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = brorcl)))
TNS-12535: TNS: 操作超時(shí)

2. 我登陸到遠(yuǎn)程服務(wù)器上，查看了一下監(jiān)聽的狀態(tài)

C:\Documents and Settings\Administrator>lsnrctl status

LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 15-6月 -2015 09:52:54

Copyright (c) 1991, 2010, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for 64-bit Windows: Version 11.2.0.1.0 - Production
Start Date                15-6月 -2015 09:36:02
Uptime                    0 days 0 hr. 16 min. 55 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   F:\app\Administrator\product\11.2.0\dbhome_1\network\admin\listener.ora
Listener Log File         F:\app\Administrator\product\11.2.0\dbhome_1\network\log\listener.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=x3650m3)(PORT=47512)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=47512)))
Services Summary...
Service "BANKASSIST" has 1 instance(s).
  Instance "brorcl", status READY, has 1 handler(s) for this service...
Service "CLRExtProc" has 1 instance(s).
  Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "brorcl" has 2 instance(s).
  Instance "brorcl", status UNKNOWN, has 1 handler(s) for this service...
  Instance "brorcl", status READY, has 1 handler(s) for this service...
Service "brorclXDB" has 1 instance(s).
  Instance "brorcl", status READY, has 1 handler(s) for this service...
The command completed successfully

看到監(jiān)聽也正常，本地連接進(jìn)去也很正常。

3.  我想了一下本地能訪問遠(yuǎn)程連接不上是不是防火墻問題，于是我關(guān)閉了windows防火墻，果然在遠(yuǎn)程tnsping 能ping通了；

4. 結(jié)果：應(yīng)該是防火墻有改動(dòng)了，最后把 服務(wù)器防火墻的 ip和端口添加為例外，應(yīng)用恢復(fù)正常了。

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