TL;DR: Collect debug information in an in-memory buffer that is printed to the output when an error occurs (and quietly discarded in all other cases). I may have come up with a useful idea. Or something that is not all that useful. Or even something that already exists (and I […]
Software Engineering
Development and Runtime Experiences with a Canonical Data Model Part I: Standards & Guidelines
Introduction In my previous blog I’ve explained what a Canonical Data Model (CDM) is and why you should use it. This blog is about how to do this. I will share my experiences on how to create and use a CDM. I gained these experiences at several projects, small ones, […]
Development and Runtime Experiences with a Canonical Data Model Part II: XML Namespace Standards
This blog is about XML namespace standards. Primary for using them in a Canonical Data Model (CDM), but also interesting for anyone who has to define XML data by creating XML Schema files (XSD). This blogpost is the second part of a trilogy about my experiences in using and developing […]
Development and Runtime Experiences with a Canonical Data Model Part III: Dependency Management & Interface Tailoring
Introduction This blogpost is part III, the last part of a trilogy on how to create and use a Canonical Data Model (CDM). The first blogpost contains part I in which I share my experiences in developing a CDM and provide you with lots of standards and guidelines for creating […]
Bulk authorizing Oracle Unified Directory (OUD) users by adding them to OUD groups from the Linux/Unix Command Line
When using Oracle Unified Directory (OUD) as an identity store, it is in some occasions needed to add OUD users to OUD groups by hand. When you have to grant privileges to one user, this is easily done through the Oracle Directory Services Manager (ODSM) interface. However doing so for […]
ADF Performance Tuning: Tips on How to Limit ADF BC Memory Consumption
This blog contains tips and tricks on to how limit the JVM memory consumption of ADF applications. Like other web applications, Oracle ADF applications potentially use a lot of JVM memory. Many times, the root cause of a high memory usage is that application data retrieved from the database into memory […]
ADF performance tuning: Whitepaper published on the ADF Performance Monitor
The AMIS ADF Performance Monitor is an advanced tool designed for measuring, analyzing, improving, and checking the performance of Oracle ADF applications. The monitor can track and collect crucial (production) performance information of the application’s runtime ADF components that are not standard provided by Oracle. It helps development, QA, and […]
ADF Performance Tuning: Improve Your Oracle ADF App Response Time by as Much as 70 Percent
Performance needs to be ingrained in your application – it cannot be added in during the last stages of development. In this video I discuss how you can optimize the performance of your Oracle ADF Fusion application, diagnose and solve typical performance problems, and build an efficient, responsive, scalable ADF […]
ADF 12c: Adaptive applications through reusable bindings using 12c Dynamic components, runtime switching from ADF BC to a POJO data control v.v.
The UK Oracle User group (UKOUG) held their Tech13, technology conference 2013, in Manchester 2 weeks ago. Duncan Mills held an interesting presentation on “Adaptive Applications”. He explained how to create fully reusable applications. Applications that can be used for different datasources and database tables. Just select a data model […]
JavaOne 2013: Java Mission Control
The convergence project between Oracle’s JVMs JRockit and Hotspot is making significant progress. Included in the latest Java 7 JDK update (‘7u40’) is a new powerful monitor tool: Java Mission Control (JMC). JMC is a production time tool that has its roots in the JRockit JVM tooling. It is located in the […]
Case Study: A Case of Fusion Middleware
The story of NOPERU – the National Organization for Permits for Emissions and Resource Usage – is an interesting one. Because it reveals the business drivers for embarking on a journey of modernization, enterprise architecture and application of SOA principles using Oracle Fusion Middleware. It also outlines a roadmap: which […]
14 augustus – gratis seminar Oracle ADF 12c, JDeveloper 12c en WebLogic 12c revealed
Dit is de zomer van de 12c-lanceringen. Na de database zijn sinds vorige week Oracle ADF 12c, Oracle JDeveloper 12c, en Oracle WebLogic 12c beschikbaar. Met zoveel nieuwe mogelijkheden dat AMIS op 14 augustus een gratis seminar organiseert waarin we de nieuwe versies introduceren, becommentariëren en vooral ook demonstreren. Maar […]
Automatic deployment .ear file to Oracle Application Server 10.1.3 (OAS) with Ant tasks
In this post I would like to share an example how to deploy an .ear file with an Ant script to the Oracle Application Server 10.1.3 (OAS). Automatic deployment can help improve the release process. First of all because manual deployment usually costs time of the developers. Especially the lead […]
Process the content of the Windows scheduler
When working with scheduled tasks on a windows machine, I often wished I could work on the command line with the scheduler. As we all know, a command line interface gives us the ability to script, preventing manual repeating work. Unfortunately, until a few days ago I did not find […]
Masterclass with Oracle ACE Director James Morle
AMIS is spending a lot of effort keeping our people up-to-date with the latest knowledge needed to help our customers the best way we can. Traditionally we also always try to share our knowledge with customers and others, via social media or conferences, and while abroad learning from others at […]
Build and release OSB projects with Maven
With Maven we are able to build & deploy OSB projects. The artifacts generated by Maven called snaphosts and releases can be automatically uploaded to a software repository. These versioned OSB jars can then be downloaded by the OSB Servers and deployed ( this can be a Test, Acceptance or […]
Kom kennismaken met AMIS en doe mee met uitdagende projecten
Hierbij nodigen we je uit om met ons kennis te komen maken. Ben jij een (junior) Oracle consultant die een stap verder wil maken? Wil je verder groeien en ontwikkelen tot principal consultant? AMIS geeft je de kans om die stap te zetten. Bij ons krijg je de ruimte om […]
Uitnodiging: Kom kennismaken met AMIS
Hierbij nodigen we je uit om met ons kennis te komen maken. Ben jij een (junior) Oracle consultant die een stap verder wil maken? Wil je verder groeien en ontwikkelen tot principal consultant? AMIS geeft je de kans om die stap te zetten. Bij ons krijg je de ruimte om […]
Oracle RDBMS 10GR1: solution to avoid character encoding in XML with UPDATEXML
On a recent project, I ran into a problem with an XML document, that had to be enclosed within another XML document, generated from a database query. The problem I ran into was the character encoding of the XMLElement function, which eventually was worked around with UPDATEXML. In this blog […]
Proces email with the new UMS adapter of SOA Suite PS5
With the release of Soa Suite Patch Set 5 we can now try out the new UMS adapter. UMS stands for User Messaging Service but in this case it only supports email. The UMS adapter allows you to listen for new mail or send a mail from a service component. Combined with BPEL it’s […]
UKOUG 2011 – Drag, Drop and other Stuff. Using your Database as a File Server
Last Thuesday, Mark Drake, Senior Product Manager and I, delivered a good presentation during UKOUG in Birmingham about how to use your database, via XMLDB functionality, as a file server. The presentation demonstrated as well how you could extent the “standaard” file server (aka your database) functionality with features like, […]
Timeouts in Oracle SOA Suite 11g
Some time ago… at a Oracle SOA 11g project, we had to call an external webservice which took 1 to 5 minutes to respond. The composite calling this webservice was called by another composite from a BPEL process. As you might guess, we got an timeout resulting in faulted instances. […]
Solving connection problems using virtualBox:"SOA&BPM Development VM"
A few weeks ago I had to work with a virtual box by oracle with a pre installed Database (xe) and weblogic to do some BPM Studio work. After the default installation I expected to just start the Virtual machine, start the weblogic server and enjoying the advantages of having […]
ADF 11g R2 : Using the ActiveRowKey property
In ADF 11g Release 2, the ADF Table component has a property called ‘ActiveRowKey’. According to documentation, this represents the row that is currently active on the client. In click-to-edit mode, the active row will be made editable and is brought into view (if not already visible). Upon initial display, […]
Book Review : Oracle ADF Enterprise Application Development – Made Simple
On my way to Los Angeles (Long Beach) for KScope 2011 (12 Hours in an airplane) I had plenty of time to do some reading and writing.The book I read was an only very recently (june 2011) published ADF Book. This is not a technical deep dive into ADF, but […]
ODTUG KScope Preview 2011
Ook dit jaar, namelijk op dinsdag 14 Juni, organiseert AMIS de ODTUG Preview. Het jaarlijkse congres van de ODTUG, de Oracle Development Tools Users Group, vind dit jaar plaats in Longbeach, California van 26 tot en met 30 juni. Het is niet voor iedereen weggelegd om daar naar toe te […]
Getting started with your career (in Dutch)
Als bezoeker van deze blog ben je bezig met het maken van mooie oplossingen en nieuwe uitdagingen op technisch gebied. AMIS nodigt je uit om ons team te komen versterken. AMIS wil je op het gebied van Oracle en Java uitdagen de volgende stap in je carriëre nemen. AMIS merkt […]
How to use an outerjoin to synchronise data
There is often a need to synchronize data from a query. For example reading external data and update the tables. Sometimes it can be achieved by a single merge statement, but this is not always possible. Mind, for example, the need to update more than one table, or updating the […]
Hands-on: Synchronize your database from a webservice with JAX-WS and ADF Business Components
This step-by-step starter hands-on provides an example how to make a JAX-WS webservice proxy in JDeveloper, and save retrieved data from this webservice in a batch-job to your own database with ADF Business Components. Duration: 60 minutes. For this hands-on example, imagine that your company wants to expand internationally and […]
Oracle Diagnostics Logging (ODL) for application development
Logging is a very important aspect of application development as it offers run-time access to the behaviour and data of the application. It’s important for debugging purposes but also to investigate exception situations on production. The Java developer has a choice between logging frameworks but Log4J is probably the most […]
Oracle XBRL Extension Ready for Download
The new ready to download Oracle XBRL Extension is a “no cost option” on top of the latest Oracle Database 11.2.0.2.0 release. With this added functionality you will get a database environment that contains One or more back-end XBRL repositories based on Oracle Database, which provide XBRL storage and query-ability […]
An evening about Maven
Recently we had a great session at AMIS about Maven, presented by Jason van Zyl, founder of the Apache Maven project and CTO of Sonatype. He gave us an overview of the new Maven 3 and other projects they are working on. In addition he gave us an insight in […]
An Evening with Oracle Database Security Expert: Pete Finnigan
AMIS Technology School is proud to present, in collaboration with Miracle Benelux Masterclasses: An Evening with Oracle Database Security Expert: Pete Finnigan on Tuesday 25th of May, 2010. Miracle Benelux and Pete Finnigan agreed to do an extra special on the AMIS premises the evening just before Pete’s 2 day […]
Automatic testing Oracle Service Bus using Jenkins, maven and SoapUI
A lot of current projects are implementing some sort of service based architecture. Testing in this architecture becomes more complex. When implementing an OSB project with Scrum you test-automation is imperative. Scrum will require more frequent testing of your system. This is only feasible (in time and money) when you […]
Agile software development, the principles. Principle 11: The best architectures, requirements, and designs emerge from self-organizing teams.
This is the eleventh of 12 posts about the principles of agile software development. Purpose is to go back to the start of the agile manifesto (http://agilemanifesto.org/principles.html) and discuss the implementation of the 12 principles in real life software engineering. Goals of agility are to go deliver software of higher […]
Agile software development, the principles. Principle 10: Simplicity -the art of maximizing the amount of work not done- is essential
This is the tenth of 12 posts about the principles of agile software development. Purpose is to go back to the start of the agile manifesto (http://agilemanifesto.org/principles.html) and discuss the implementation of the 12 principles in real life software engineering. Goals of agility are to go deliver software of higher […]
Report from presentation ‘JPA 2.0 – What’s new’
The Java Specification Request 317 (JSR-317) aka JavaTM Persistence 2.0, (JPA 2.0) has finally reached the last stage, “Completion of Reference Implementation (RI) and Technology Compatibility Kit (TCK)”, before it’s officially released. Therefore last week a Knowledge Class was given at Amis with a presentation of the new functionality and […]
Bloom Filters, Hierarchical Profiling, Synopses & One pass distinct sampling, jumping the GAPP … – feast for DBAs (considered harmful..)
It’s Monday night and a select company of DBAs and Database developers have gathered at AMIS HQ in Nieuwegein for the ‘Looking Back at Hotsos 2009’ session. It is one of those sessions that has a lot of energy, laughter and a wealth of serious content. Four very experienced […]
IETester: Develop and test your site for multiple versions of Internet Explorer
When developing or testing your web application, you often have to support different browsers and versions. On Window machines testing for different versions of Firefox, Opera and Chrome is not a real problem as these browsers all allow you to install different versions on one machine. Only Internet Explorer (IE) […]
Agile software development, the principles. Principle 9 : Continuous attention to technical excellence and good design enhances agility
This is the ninth of 12 posts about the principles of agile software development. Purpose is to go back to the start of the agile manifesto (http://agilemanifesto.org/principles.html) and discuss the implementation of the 12 principles in real life software engineering. Goals of agility are to go deliver software of higher […]