ORA-12504 When connecting using UCP to Single Instance Databases
(Doc ID 2774602.1)
Last updated on JUNE 11, 2021
Applies to:Universal Connection Pool - Version 18.11 and later
Information in this document applies to any platform.
Application using JDBC and UCP version 18c fails to connect due to error: ORA-12504, TNS:listener was not given the SID in CONNECT_DATA
This issue is specific to using UCP and specific to single instance databases ( It does not happen on RAC databases)
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