Oracle Net: Intermittent 3135/12592/3113 Errors Returned to Client Application
(Doc ID 2237258.1)
Last updated on JANUARY 02, 2020
Applies to:Oracle Net Services - Version 220.127.116.11 to 18.104.22.168.0 [Release 11.2 to 18]
Information in this document applies to any platform.
The issue documented here is NOT related to this known issue:
Network related error like ORA-12592 or ORA-3137 or ORA-3106 may be signaled (Doc ID 18841764.8)
An OCI client of any kind, including SQL*Plus using a version 11gR2 Oracle client. The application might be multi threaded.
The application is failing with intermittent ORA-3135 errors. A client trace can show either a 12569 or 12592 error that indicates a 'bad packet' message.
All of the errors associated with this condition:
ns=12592 <Seen in Oracle net trace. Bad packet
ORA-12592: TNS: Bad packet
ORA-3135: TNS: Connection Lost Contact
ORA-03113: End-of-file on communication channel
ORA-12152: TNS:unable to send break message
This may be a new implementation or a change has occurred on this network.
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