这篇文章主要介绍数据库中如何解决ORA-12170:TNS connect timeout occurred问题,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
公司服务器周末要加硬盘,周一来后应用连不上了。报错如下 报错: ORA-12170:TNS connect timeout occurred
第一反应是监听没开:
1. 测试了一下, 连接超时没用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.
已使用的参数文件:
D:\oracle\product\11.2.0\dbhome_1\network\admin\sqlnet.ora
已使用 TNSNAMES 适配器来解析别名
尝试连接 (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.14.147.112)(PORT = 42525)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = brorcl)))
TNS-12535: TNS: 操作超时
2. 我登陆到远程服务器上,查看了一下监听的状态
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
看到监听也正常,本地连接进去也很正常。
3. 我想了一下本地能访问远程连接不上是不是防火墙问题,于是我关闭了windows防火墙,果然在远程tnsping 能ping通了;
4. 结果:应该是防火墙有改动了,最后把 服务器防火墙的 ip和端口添加为例外,应用恢复正常了。
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