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ORDS Runtime JDBC Exception Java.lang.NoSuchMethodError: Oracle.jdbc.pool.OracleConnectionBuilderImpl.user, ORDS was unable to make a connection to the database (Doc ID 2730854.1)

Last updated on JANUARY 10, 2024

Applies to:

Oracle REST Data Services - Version 19.4 and later
Oracle Application Express (APEX) - Version 20.2 and later
Information in this document applies to any platform.


Running APEX with new installation of ORDS results in JDBC exception during runtime in ORDS.

APEX error: (In browser)

503 Service Unavailable

ORDS error: 

 The pool named: |apex|| is invalid and will be ignored: ORDS was unable to make a connection to the database. This can occur if the database is unavailable, the maximum number of sessions has been reached or the pool is not correctly configured. The connection pool named: |apex|| had the following error(s): oracle.jdbc.pool.OracleConnectionBuilderImpl.user(Ljava/lang/String;)Loracle/jdbc/internal/AbstractConnectionBuilder;

 JDBC configuraiton in defaults.xml


 Installed APEX 20.2 and ORDS 20.3 on Oracle Database 19.8. Configured ORDS for APEX.


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