DBLINK: ORA-03113, ORA-12571 Issuing a Select Over a Database Link Through a Firewall
(Doc ID 1507098.1)
Last updated on AUGUST 16, 2018
Applies to:Oracle Net Services - Version 10.2.0.1 to 184.108.40.206 [Release 10.2 to 12.2]
Information in this document applies to any platform.
Intermittently receiving the below error while doing a select over the dblink
ORA-03113: end-of-file on communication channel
ORA-12571: TNS:packet writer failure
Database is recently moved to different network or firewall rules are changed recently.
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