As described in the Oracle documentation here, ADF BC uses its own row consistency enforcement mechanism : 4.10.11 How to Protect Against Losing Simultaneously Updated Data At runtime, the framework provides automatic “lost update” detection for entity objects to ensure that a user cannot unknowingly modify data that another user has updated and committed in
So a lot of announcement from AWS went live last week in Vegas but here are the ones that definitely got my attention : A couple of interesting features on the Database side : Aurora now go Serverless Customer will be able to create database instance that will shutdown when not used. + Game changer
Top news from AWS Re:Invent 2017 Read More »
When one of your attribute in your View Object is a List Of Values, ADF will add an unselected element that will be shown as the default value. You will often be asked to have the first value being selected by default, to do that we need to add a function to the VO Implementation.
How to automatically select First value in ADF LOV inside a table? Read More »
Yesterday, I shared a quick tip on how to apply a ViewCriteria in your ADF Controller project. ( www.cedricleruth.com/how-to-apply-a-viewcriteria-programmatically-in-adf/ ) And if you’re using this snippet, you may also need to remove this ViewCriteria from the ViewObject programmatically. A typical use case is a toggle button on top of an ADF table to only display
How to unapply a View Criteria programmatically from a View Object in ADF? Read More »
[03:58:41 PM] Deployment cancelled. [03:58:41 PM] —- Deployment incomplete —-. [03:58:41 PM] == ERROR: No Java EE modules detected in EAR archive. Deployment aborted. == (oracle.jdevimpl.deploy.ear.WeblogicAssembler) This error occurs when you first try to deploy your application in Oracle ADF. To fix it do as follow: Go to the Application properties Go to Deployment Select […]
ERROR: No Java EE modules detected in EAR archive. Deployment aborted. in ADF Read More »
This kind of java.lang.IllegalStateException exception are triggered when some Java code is executed after a forward(), sendRedirect() or sendError(). You can refer to this StackOverflow thread to learn more about how to avoid this in Java: here I’ve encountered this error in ADF a couple of time when you use a forward(), sendRedirect() or sendError()
You often need to filter and modify the where clause of your view object programmatically in your controller bean depending on a user action. (for example, a click on a button will show a different set of data in the same table) To do so you can either add the where clause programmatically in the
How to apply a viewCriteria programmatically in ADF? Read More »
If you don’t want to import your own icons as a resource into ADF you can use the internal ones without having to manually add them to your project. You can find them by unzipping the adf-richclient-impl jar file from your JDeveloper installation path. For example on a 11g installation : MW_HOME_INSTALL_PATH\oracle_common\modules\oracle.adf.view_11.1.1\adf-richclient-impl-11.jar Once unzipped, you’ll
How to use internal ADF icons Read More »
Server locks can occur in WebLogic when a server crash due to a nasty network or data storage issue. Once those locks are there the servers will fail to restart with a BEA-141281 or BEA-310006 error. Here is how to remove those locks and clear the cache to successfully restart your WebLogic server : View
