11gR2数据库日志报错:Fatal NI connect error 12170、TNS-12535、TNS-00505
Fatal NI connect error 12170.  
   VERSION INFORMATION:
  TNS for Linux: Version 11.2.0.1.0 - Production
  Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production
  TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production
   Time: 11-MAY-2011 22:23:40
   Tracing not turned on.
   Tns error struct:
     ns main err code: 12535      
TNS-12535: TNS:operation timed out
     ns secondary err code: 12560
     nt main err code: 505      
TNS-00505: Operation timed out
     nt secondary err code: 110
     nt OS err code: 0
   Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=172.16.158.167)(PORT=3066))
------解决方案--------------------
建议完全卸载,认真重新安装一次
------解决方案--------------------
在sqlnet.ora增加参数:
SQLNET.INBOUND_CONNECT_TIMEOUT = 30
SQLNET.RECV_TIMEOUT = 30
SQLNET.SEND_TIMEOUT = 30
在 listener.ora 增加:
INBOUND_CONNECT_TIMEOUT_LISTENER = 30
然后重新启动监听试一下