How to set current column value of selected RichTable row from iterator in Oracle ADF

If you read yesterday article, https://cedricleruth.com/how-to-get-current-column-value-of-selected-richtable-row-from-iterator-in-adf/ , you now know have to retrieve a column value from a table selected rows inside an Oracle ADF Java Bean. While this is useful when you need to get the current column value on a button click, you may as well need to update it with a new …

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How to fix “Access Denied” when showing ADF Table and other components from jsff page fragment?

One of the cleanest and most useful practices in Oracle ADF is to use jsff page fragments. They allow you to have one view composed of multiples small view fragments. It’s more precise, easier to maintain and allow you to reuse the same fragment multiple times on the same page. (Having multiple time the same …

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How to fix “failed to start The Apache HTTP Server” after renewing SSL certificate on AWS EC2 linux ?

If you followed my last article “How to host an https WordPress site on AWS EC2 with a Let’s Encrypt SSL certificate?”  you know have a Let’s Encrypt generated SSL certificate for your WordPress. Once in a while Let’s Encrypt will generate a new certificate if you scheduled the certbot-auto renew command. You’ll then need …

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How to duplicate a Row programmatically in Oracle ADF?

Duplicating a table row is often one of the first requirement added on big customer tables in an Oracle ADF application. To do so, add a column at the start of your row with a “duplicate” button containing an action listener as follow: … actionListener=”#{YOUR_SCOPE.YOUR_BEAN.duplicateRowLine}” … In this Action Event, you will need to copy …

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How to build a Facebook Chatbot running on AWS Lambda and Claudia js Bot Builder ?

Chatbots have been around for a while now and I’ve had the opportunity to build a couple of them for clients using Oracle and AWS tools. I’m not a huge fan of brands building chatbot to use as customer support, let’s be honest, there is nothing worse than having to cope with a robot when …

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How to host an https WordPress site on AWS EC2 with a Let’s Encrypt SSL certificate ?

Hosting a WordPress blog/website on the AWS EC2 platform can be pretty useful when you know how to maintain Linux servers and want to tinker it yourself. (Free for your account first-year / then around €10/month) This is great for a small personal blog where you’ll do the maintenance and scalability yourself. (OS, databases, and …

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How to display a please wait message when the server is processing using addBusyStateListener in ADF ?

Clients often require their ADF applications to process a lot of data or upload big files when their users click on a specific button. Those treatments can often take a couple of minutes to run and your user may lose patience or wonder why the application isn’t responding. As a best practice, you should always …

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How to fix oracle.jbo.RowInconsistentException JBO-25014 : Another User Have changed the Row with Primary Key in ADF?

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 …

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