另外,在数据库服务器端,sqlnet.log中经常会出现类似以下的日志
Fatal NI connect error 12170.
VERSION INFORMATION:
TNS for Solaris: Version 10.2.0.1.0 - Production
Oracle Bequeath NT Protocol Adapter for Solaris: Version 10.2.0.1.0 - Production
TCP/IP NT Protocol Adapter for Solaris: Version 10.2.0.1.0 - Production
Time: 13-JAN-2011 04:48:08
Tracing not turned on.
Tns error struct:
ns main err code: 12535
TNS-12535: TNSperation timed out
ns secondary err code: 12560
nt main err code: 505
TNS-00505: Operation timed out
nt secondary err code: 145
nt OS err code: 0
Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=*。*。*。*)(PORT=3019))