OracleDB change notification privilege causing long commits to autonomous WLS

Hello world

12.1.2 Jdev

I am facing a strange problem. Currently, my application requires that I re - run queries to view activation object in order to maintain the sort order. Sometimes, this causes an exception that is thrown indicating that the record ID does not exist or that it was unable to register/cancel a request for notification of change of the view object database. After doing some research, this problem has been resolved by granting the privilege to "change notification" to the database user that uses my application.  Test went well on the integrated WLS.

Problems occurred after deployment on a stand-alone test server. The application works as expected until a commit operation is called.  The validation operation takes a long time (30-40 seconds instead of 1 to 2 seconds before).  Not only this, after re-polling of data after a commit, I'm starting to get the same exceptions that I mentioned above.

After the revocation of the privilege to change notification validation problems disappear.

What setting differences might be the cause for it? The driver of the DB used on the standalone WLS is oracle.jdbc.OracleDriver.

Thanks for reading.

Lance

Found the cause.  For some reason, I had the autoRefresh of the view set to true object property. As this was my first project ADF, I must have been messing around with random parameters before I knew what I was doing.  ADF 12.1.3 gave me a warning message in the ViewObject.xml but 12.1.2 does not.  To be honest, even I knew not that this existence far property.  Affecting false property fixed my issues. Thanks for the tip of 12.1.3 upgrade. It has not solved the problem, but it led to the solution!

Tags: Java

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