TNS-12535: TNS:operation timed out TNS-00505: Operation timed out
公司一台Oracle备库alert.log中每隔一小时出现以下错误
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 |
Mon Nov 16 13:41:19 2020 ********************************************************************** Fatal NI connect error 12170. VERSION INFORMATION: TNS for Linux: Version 11.2.0.4.0 - Production Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.4.0 - Production TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.4.0 - Production Time: 16-NOV-2020 13:41:19 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=10.0.128.100)(PORT=20233)) |
错误原因 上述报错表示,一个会话与Oracle实例建立连接之后断开了。 断开原因可能是会话空闲,一直没有数据通信,最终连接时间是超过了防火墙设置的最大空闲时长(idle time),最终断开连接。 “nt secondary err code” 表示网络传输超时(T
Read more