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In R12,EBS application is blank and can not connect to database. (Doc ID 2528296.1)

Last updated on DECEMBER 03, 2019

Applies to:

Oracle Applications DBA - Version 12.1 and later
Information in this document applies to any platform.


All the end user can not login and the home page is blank.

Tnsping  is hang when trying to connect database

In alert log file,the following errors were found

Fatal NI connect error 12537, connecting to:

TNS for Linux: Version - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version - Production
TCP/IP NT Protocol Adapter for Linux: Version - Production
  Time: 04-APR-2019 14:19:33
  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
ORA-609 : opiodr aborting process unknown ospid (57665_140127288551168)


Note:This issue is still existing even restart  database listener


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