TNS-12547: TNS:lost contact TNS-12537: TNS:connection closed as a result of ORA-609

检查alert日志发现如下报错： 
Tue Nov 17 01:04:49 2015 
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Fatal NI connecterror 12547, connecting to: 
(LOCAL=NO) 
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: 17-NOV-2015 01:04:49 
Tracing not turned on. 
Tns error struct: 
ns main err code: 12547 

TNS-12547: TNS:lost contact 
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 (20829) as a result of ORA-609 

Fri Nov 20 04:32:15 2015




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Fatal NI connect error 12537, connecting to:
 (LOCAL=NO)


  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: 20-NOV-2015 04:32:15
  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 (26923) as a result of ORA-609
Fri Nov 20 04:37:02 2015

解决办法：