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Application Connections to Data Guard Fail with ORA-16000 (Doc ID 2890353.1)

Last updated on AUGUST 19, 2022

Applies to:

Universal Connection Pool - Version and later
JDBC - Version and later
Information in this document applies to any platform.


Some JDBC connections connection to DataGuard are going to to the standby database, causing application startup to fail with error:

java.sql.SQLException: ORA-16000: database or pluggable database open for read-only access
ORA-06512: at "<NAME>", line 928
ORA-06512: at "<NAME>", line 911
ORA-06512: at line 1

The application connect string is:




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