ORA-03113, ORA-12571 Issuing a Select Over a dblink Through a Firewall
Last updated on OCTOBER 27, 2016
Applies to:Oracle Net Services - Version 10.2.0.1 and later
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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