It’s pretty common to have to convert an org.apache.myfaces.trinidad.model.UploadedFile to a java.io.File when working with an ADF <af:inputFile>. Working with a java.io.File being the only way to retrieve values from a CSV. Here is a simple code snippet to do so : View the code on Gist.
“you’ll often have a requirement to customize it by adding a specific user instruction in a tooltip(shortDesc) or placeHolder(watermark) in the ADF table column filter header” From my experience, the Oracle ADF Framework is mainly used by the companies owning Oracle ERP to display custom data table and forms. This is why the most used …
The java.sql.SQLException: Invalid column index often occurs in ADF when your ADF View Object(VO) get desynchronized while adding a new column to an existing Entity object(EO). After adding the new Table column to your Entity Object and View Object the following error occur at runtime : java.sql.SQLException: Invalid column index at oracle.jdbc.driver.OracleResultSetImpl.getBytes(OracleResultSetImpl.java:1464) at weblogic.jdbc.wrapper.ResultSet_oracle_jdbc_driver_OracleResultSetImpl.getBytes(Unknown Source) …
How to fix Invalid column index SQLException in Oracle ADF? Read More »
If you’ve read my others Oracle ADF how-to article, you know that I always highly recommend using the JSFUtils and ADFUtils open source class for ADF. Those are a must have for any ADF project and will save you hours of work. JSFUtils and ADFUtils are two utility java class made by 3 ADF heroes …
How to retreive the value of an iterator binding variable programmatically in ADF? Read More »
One of the usual scenario in Oracle ADF is to need to set the value of a JSF View Object binding attribute programmatically in a Java Bean triggered by a user Action. For example, I was once asked to set the value of a View Object attribute displayed as an outputText in JSF to a …
How to set JSF binding attribute programmatically in Oracle ADF? Read More »
Running a commit or a rollback when a user trigger an Action Listener in your java Bean is the first thing you’ll need to know in Oracle ADF. The easiest way to do so is to retreive the transaction used by your user in the Application Module and trigger a Commit or Rollback while catching …
How to programmatically commit or rollback a transaction in Oracle ADF? Read More »
One of the best ways to enhance your ADF applications UI is to add some excellent Javascript library and to call them in your Java Bean‘s action. For instance, I often like to implement the izitoast javascript open source library. It’s a great tool to display users notification in nice looking side popups. You can …
How to execute client javascript in an ADF Java Bean action? Read More »
One often has to use JDeveloper when working on Oracle Technology. So you’ll be surprised to discover that while your development computers may allow up to 8Gb or 16Gb Ram; JDeveloper by default will only use 512Mb!And the same applies to your integrated WebLogic environment. JDeveloper before increase will only use 512Mb memory! I’ll highly …
How to increase and tune your JDeveloper performance? Read More »
This error often occurs when you are deploying your Oracle ADF application on WebLogic for the first time. (Or when you add a new Application Module) To fix it you need to ensure that your Datasource Name is the same in your Model, Controller, and Weblogic console : View the code on Gist. Note: This …
JBO-27200: JNDI failure. Unable to lookup Data Source in Oracle ADF ? Read More »
Before going live with your application on WebLogic, I’d always recommend activating SSL on the Weblogic server hosting your application. Accessing your application with the HTTPS protocol will ensure your user’s data are not intercepted. To do so, you should first get a valid certificate : If you are configuring the Weblogic at a company, …
How to configure HTTPS SSL on your Weblogic application? Read More »
