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ORA-12504 When Attempting to Configure ORDS Using Service Name (Doc ID 2426217.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Application Express (APEX) - Version 5.1.4.00.08 and later
Information in this document applies to any platform.

Symptoms

Deployed on ords standalone in a separate server from the database.


When attempting to start ORDS in standalone mode the following error occurs:

 

ORA-12504

Unable to start the Universal Connection Pool: oracle.ucp.UniversalConnectionPoolException: Failed to create initialPoolSize connections while starting a pool: oracle.ucp.UniversalConnectionPoolException: Failed to create initialPoolSize connections while starting a pool: java.lang.IllegalStateException: unable to start connection creation task

Caused by: oracle.ucp.UniversalConnectionPoolException: Cannot get Connection from Datasource: java.sql.SQLException: Listener refused the connection with the following error:
ORA-12504, TNS:listener was not given the SID in CONNECT_DATA

 

Cause

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