Intermittent Connection Errors ORA-17002 Using JDBC And SQL*Plus Client While Connecting To RAC
(Doc ID 399136.1)
Last updated on JULY 27, 2018
Applies to:Oracle Net Services - Version 10.2.0.3.0 and later
JDBC - Version 10.1.0.2 and later
Information in this document applies to any platform.
***Checked for relevance on 05-Mar-2013***
Intermittent failures to connect JDBC/thin to a RAC database with error:
IOException: The network adapter could not establish the connection. ( ORA-17002)
Connection string is
Connection to individual nodes always works:
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!