Author: Peter Ebell

My former collegue and JHeadstart Team member Steven Davelaar will join us at AMIS on wednesday May 19th, at 18:00, to present on a particular feature of the new …

One of the most annoying things with XML Schema validation is that it will not accept empty elements of certain types, like xsd:date and xsd:double, even though the element …

My OpenWorld 2009 started out this morning with a keynote by Tom Kyte named "What Are We Still Doing Wrong?". A lighthearted presentation with lots of funny examples of …

Just wanted to draw your attention to a "Knowledge Center" session at AMIS this wednessday (25 feb 2009, starting at 16:30). It concerns the new Oracle Service Bus (previously the …

The other day, I was using the JDeveloper debugger to locally debug some code in an application that uses (and therefore becomes part of) an Oracle Coherence data grid. As …

Even when JSF was not around and ADF Faces was still called UIX, Oracle already had the cool “Partial Page Request” (PPR) feature. What this boils down to is that …

When developing and/or debugging BPEL processes, the Oracle BPEL Console is your best friend. Every change to every variable, every activity that was executed, everything is right there for …

Tonight Lucas, Wouter and myself went to a very interesting session at JavaOne, to hear how two of my favourite Java technologies, EclipseLink and Coherence, can work together to …

That Subversion is popular among Java programmers is no big surprise. If it needed proof, the huge line of people waiting to get into the “Subversion 1.5: Great New …

Of all the new and exciting stuff I have seen at Oracle OpenWorld this year, two new technologies (at least to me) stand out. The first is CEP (Complex …

Oracle celebrates its 30th anniversary this year, and this was the main theme of Larry’s key note speech on sunday night. But there are other anniversaries to celebrate this …

In JDeveloper, when debugging or otherwise navigating to classes that JDeveloper does not have the source code for, JDeveloper generates a "stub source", showing you only the fields and …

Oracle BPEL has a special Activity called “Java Embedding”, that allows you to include some “inline” Java code into a BPEL process. Unfortunately, you don’t get Java type-in support …

BPEL processes are very Web Service centric, and a typical way to launch a BPEL process, or to communicate with a running BPEL process instance, is through SOAP web service …

Today I was configuring a message driven bean to listen to an AQ queue. The tutorials and examples I found had me create the queue like this: dbms_aqadm.create_queue_table( queue_table=>'MY_QUEUE_TABLE' …

Although the presentations at ODTUG this year cover the entire spectrum of Oracle-based application development, from Forms and PL/SQL to ADF, SOA Suite and APEX, the ODTUG crowd is …

Ever since Microsoft introduced long filenames back in whenever, using spaces in file or directory names has always been tricky. As I found out recently, even with modern software …

Recently, I was working on an Forms application that required a Form to retrieve and complete a Human Workflow task from the worklist of a BPEL 10.1.3 server (also …