TNS-12537和ORA-609同时出现在ALERT文件中

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Fatal NI connect error 12537, connecting to:

 (LOCAL=NO)

  VERSION INFORMATION:

TNS for Linux: Version 11.2.0.3.0 - Production

Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production

TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production

  Time: 26-APR-2013 13:36:41

  Tracing not turned on.

  Tns error struct:

    ns main err code: 12537

    

TNS-12537: TNS:connection closed

    ns secondary err code: 12560

    nt main err code: 0

    nt secondary err code: 0

    nt OS err code: 0

opiodr aborting process unknown ospid (1243) as a result of ORA-609

Fri Apr 26 13:37:41 2013

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在alert文件中大量出现上面错误，解决方法注释到/etc/resolv.conf里面的dns解析。

不过要注意的是，必须重启网卡才能使配置生效。如果你是rac，那么重启网卡时要注意vip会漂移到另一个节点上。

你需要关闭另一节点上漂移过去的vip，然后重新启动vip就好了。