Last updated on NOVEMBER 28, 2016
Applies to:
JDBCOracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Net Services - Version 11.2.0.2 to 11.2.0.2 [Release 11.2]
Information in this document applies to any platform.
***Checked for relevance on 10-Oct-2013***
Symptoms
After upgrading the database from 10.2.0.4 to 11.2.0.1, the following error messages are intermittently reported in the database alert log :
opiodr aborting process unknown ospid (16127) as a result of ORA-609
The application executed consists of cron jobs using JDBC thin 10.2 for connection to the database.
Server trace file, upon attempting to communicate with the client side, sees an unexpected EOF occurring on the database side of the connection:
[000001 04-NOV-2010 17:41:03:550] nsprecv: reading from transport...
[000001 04-NOV-2010 17:41:03:550] nttrd: entry
[000001 04-NOV-2010 17:41:03:556] nttrd: exit
[000001 04-NOV-2010 17:41:03:556] ntt2err: entry
[000001 04-NOV-2010 17:41:03:556] ntt2err: Read unexpected EOF ERROR on 14
Although the database is reporting ORA-0609 messages indicating an aborted connection attempt, there is no reported error at the application side.
Changes
Upgrade of database from 10.2.0.4 to 11.2.0.1.
Cause
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