Upgrade of APEX 4.1 Fails With "ORA-00001: unique constraint (APEX_040200.WWV_FLOW_MESSAGES_IDX1) violated"
(Doc ID 1961235.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Application Express (formerly HTML DB) - Version 4.1.1.00.23 and later
Information in this document applies to any platform.
An Application Express (APEX) 4.1.1 instance is being upgraded to 4.2.6 which fails. Checking the install log files, the following error can be seen.
ERROR at line 1:
ORA-00001: unique constraint (APEX_040200.WWV_FLOW_MESSAGES_IDX1) violated
ORA-06512: at "APEX_040200.WWV_FLOW_API", line 11928
Upgrade Application Express (APEX) 4.1.1 instance to 4.2.6.
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