Monday Apr 07, 2014

Podcast Show Notes: Finding a Shorter Path to SOA

A podcast featuring Oracle ACE Directors Lonneke Dikmans, Simon Haslam, and Ronald van Luttikhuizen in a discussion about strategies for simplifyng SOA implementation.

The OTN ArchBeat Podcast kicks off the new year with a conversation with three highly experienced SOA experts about strategies for dealing with some of the problems that can thwart SOA efforts within some organizations. One of those strategies involves a new collaborative venture that promises to remove many of the technical hurdles on the path to SOA implementation. Listen to the podcast here.

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Friday Dec 20, 2013

SOA Made Simple | Introduction to SOA by Ronald van Luttikhuizen

A lot of organizations are implementing, or want to implement, Service Oriented Architecture to support their goals. Service Oriented Architecture is a natural step in the evolution of Information Technology; we started out with big systems in universities and banks, and moved to desktop computers in the workplace and at home. We are now moving to solutions in the cloud, offering services to consumers and businesses alike, adding mobile computing to the mix. So what is a service? A service is something that has value. Service orientation is not a difficult concept to grasp, everyone knows services and uses them daily; think of a hotel that offers a shuttle service to the nearest airport. Or the hairdresser that cuts your hair. This presentation introduces SOA, using a practical and simple approach. It is done without overly complex abstractions, but with examples from different industries and hands-on experience. Get the presentation here.

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Wednesday Nov 27, 2013

Force dehydration in Oracle Business Process Management by Jan van Zoggel

Oracle BPM Catch Timer EventOracle Business Process Management uses transactions to control the steps throughout it’s processes. In the Oracle BPEL processes you are able to use a checkpoint to explicit force a dehydration during your process.

Oracle BPMN doesn’t have a specific activity to perform the same. However you can force a dehydration by using a timer catch event in your process. Setting the timer to 2 seconds is sufficient.

(I think this might actually be 1 second, but the manual claims that the duration should be more than 1 second so we use 2 seconds to be sure).

Oracle Business Process Management Catch Timer Event
Overview of where transactions occur in Oracle BPM/BPEL (source: Oracle performance tuning guide): Read the full article here.

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Friday Nov 22, 2013

Debugging Oracle Business Process Management and Events (Oracle EDN) by Jan van Zoggel

We are using Oracle EDN events to communicate between Oracle Business Process Management instances and from the Oracle ADF tasks to Oracle Business Process Management. We use the correlation configuration to make sure the events arrive at the correct instances.

We had our share of problems with events during our project and it often took us some time to debug it. Since documentation is scattered across blogs, support sites and some manuals to configure the whole setup. The documentation about debugging your problems is very thin.

1. Check EM logging (duh)
All event steps are logged and the Enterprise Manager ECID (Execution Context ID) can help you detect what is going wrong.
2. Use Oracle Enterprise Manager’s ability to check the Business Events:
right click soa-infra and voila: Business Events! It shows an overview of registered events, amounts, subscriptions and is also the place for recovery of your events,
3. Check your Oracle Business Process Management project project_properties.wsdl file Read the full article here

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Wednesday Oct 16, 2013

Supporting multiple ebMS service versions in Oracle B2B by Ronald van Luttikhuizen

In recent years I've been involved in different Oracle B2B implementations and troubleshooting projects based on ebMS and AS2 protocols. Not so long ago, I came across a project that needed to support multiple versions of an ebMS service. Versioning is quite trivial for SOAP and RESTful Web Services using e.g. different namespaces, version indicators in endpoint locations, and so on. However, it is a bit different for ebMS-based services implemented in a B2B gateway.

Case
ebMS is one of the protocols supported by the Dutch government standard DigiKoppeling for exchanging information between governments such as municipalities, provinces, and departments. In this particular case, the existing integration flow that needed to support a new version of an ebMS service is as follows: Read the full article here.

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Thursday Jul 11, 2013

Article published | Fault Handling and Prevention (II) by Ronald van Luttikhuizen & Guido Schmutz

Oracle Technology Network (OTN) published the article Fault Handling and Prevention - Part 2 (Fault Handling and Prevention for Services in Oracle Service Bus) by Ronald van Luttikhuizen and Guido Schmutz.

Figure 1Part 1 of this article series on Fault Handling and Prevention discussed what fault handling is and why it is important. It also addressed the specific challenges in handling faults in a service-oriented landscape as compared to traditional systems. Part 1 concluded by presenting a sample scenario, an Order process implemented in a BPM and SOA environment, discussed potential pitfalls, and described generic fault prevention and recovery patterns.

Part 2 concentrates on concrete fault handling and prevention measures in the integration layer that are realized through Oracle Service Bus (OSB). The integration layer covers typical elements and integration functionality, such as Adapters for connectivity to back-end systems, Routing, Transformation, and Filtering.
More resources

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Friday May 31, 2013

SOA Made Simple by Lonneke Dikmans , Ronald van Luttikhuizen

SOA Made SimpleSOA is an industry term which is often preached like a religion rather than taught like a technology, and over time, grasping the concept has become unnecessarily difficult.

Many companies proclaim that they do not know where to begin with SOA, while others have begun their SOA effort but have not reaped the benefits they were convinced it would bring.

SOA Made Simple” explains what SOA is in simple terminology and by using real-life examples. Service-orientation is already a very natural way of thinking for business stakeholders that want to realize and sell services to potential clients, and this book helps you to realize that concept both in theory and practice. After reading “SOA Made Simple” you will have a clear understanding of what SOA is so you can implement and govern SOA in your own organization. If you are an architect who wants to be completely clear in your understanding of what SOA is, then this book is essential. In fact, anyone (designer, developer, administrator or team lead) who is implementing or about to implement an architecture in an IT environment should not miss out on “SOA Made Simple”.

If you published a book feel free to add it to our publications wiki!

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Wednesday May 22, 2013

Geschäftsprozesse automatisieren mit BPEL by Daniel Lübke, Jörg Nitzsche Tammo van Lessen

For all German readers, Daniel and Tammo published a wonderful introduction the BPEL language “Geschäftsprozesse automatisieren mit BPEL“. The book helps you to understand the foundation of the BPEL language. Make sure you read this book before you start your SOA Suite project.

If you published a book feel free to add it to our publications wiki!

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Thursday Apr 18, 2013

From the Trenches | Patching OSB and SOA Suite to PS5 by Ronald van Luttikhuizen

Recently I was involved in an Oracle Fusion Middleware upgrade from 11g PS2 to 11g PS5 with Jacco Landlust, Aiman Salama, and Jens Peters. The environment that was patched consists of the following domains:

  • Java domain running Java/JEE applications;
  • IDM domain running identity management components including OID;
  • SOA domain running Oracle Service Bus and Oracle SOA Suite. 

The domains consist of several Managed Servers in a single-node cluster configuration. OSB and SOA Suite both run in their own Managed Server.
There are plenty of excellent blogs that discuss the infrastructure and middleware side of such an upgrade. This blogs contains some things we encountered from the application side of things. More specific, the SOA composites and OSB projects.

Rebuild custom Java classes and JAR files in the SOA extension library
You can add custom Java classes and JAR files to SOA Suite that are used by your SOA composites. The SOA extension library for adding extension classes and JARs is available in the $ORACLE_HOME/soa/modules/oracle.soa.ext_11.1.1 directory. For example, an extension can be used to add a custom fault handler. Read the full article here.

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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Tuesday Apr 16, 2013

Using the MetaData Services (MDS) in a SOA environment by Robert van Molken

It has been almost a year since my last post about the metadata services. I talked about how-to set up a File-based MDS and DB-based MDS. This post talks about the usage of the files, placed in the MDS, in the different components available in a SOA composite. If the MDS is a new thing for you then I advise to read my previous about this subject first.

You can spot the presence of a file that is a reference to the MDS if it uses the oramds: URI annotation. Files are no longer referenced to a hardcoded or relative file path.

To start using you’re MDS that you have set up we will create a new SOA application. Let call the application WorkflowSOAapp and create a SOA project and call it WebformService.

Use MDS resources for exposed services

After creating the new SOA project it will open the composite editor automatically. Exposed services are always created in the left swim lane. Because this project deals with a WSDL resource to expose a webservice, a Web Service component is first dragged to the left swim lane.

Create exposed service

Drag Web Service Component to left swimlane

A dialog “Create Web Service” will open. Give the service a good name, preferred the same as the name in the WSDL (e.g. WebFormService). The next thing to do is to choose the WSDL URL. Click on the document jdev_document_iconicon at the right side of the WSDL URL input to find an existing WSDL. Read the full article here & Read part II here.

SOA & BPM Partner Community

For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center.

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