upgrade to 12 c causing problems with APEX 4.2.5

Hey everyone, our dba updated our database this past weekend at 12 c.  Today, we have problems with one of our more complex pages.  Here's our software configuration where after upgrade:

APEX: Application Express 4.2.5.00.08

Database: Oracle Database Enterprise Edition Release 12.1.0.2.0 - 64 bit Production 12 c

The page in question has dynamic actions which fire when a user clicks a button.  The action has 3 processes related to it.  The first is javascript that runs that changes some css classes.  That seems to work.  The second is supposed to be executing pl/sql code (with a dynamic process page element).  This does not appear be to fire.  I watched with firebug and chrome dev tools, but it seems that no ajax call is sent when I click on the button.

The page seems to generate exceptions in the scenes.  I see the following in newspapers several times on the page.

ORA-20987: APEX - ORA-00001: unique constraint (APEX_040200.WWV_FLOW_COLLECTIONS_UK) violated

Unfortunately, I can't determine if what is happening on the loading of the page or under dynamic actions.  Apparently not loading the linked page cause I can't recreate it all by refreshing the page.  But I don't see how it could be created by the dynamic action since they don't seem to be calling the server either.  (no ajax call I see)

Does anyone know of none known between 4.2.5 and 12 c?  Everything worked well Fri/Sat, so the upgrade must be the cause.

Thank you!

It looks like given the scope of the implemented dynamic actions in dynamic instead of static electricity was the problem.  Their transition to static seems to have fixed everything.  Not sure if it "just worked" under the previous version and 12 c was somehow more special or if the parameter got reversed somehow in the process, but it was certainly before.

Well.  I'll consider it fixed!

Tags: Database

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