Thursday Jan 01, 2015

Patching the Oracle Service Bus 12.1.3 unknown protocol deployment error by Jan van Zoggel

If you (already) created your first Oracle Service Bus 12c application/project with SOAP webservices and tried to deploy it to your IntegratedWeblogic server you might be familiar with this error.

clip_image002

Lucky for us Oracle quickly released a solution on their support website and also various blogs picked it up and posted a solution. The earliest reference I found was posted by Link. The solution to your problem was either:

  • Add felix.service.urlhandlers=false to the Init properties of OSGi frameworks bac-svnserver-osgi-framework factory implementation class
  • Remove the default server as a target for the framework

This worked like a charm and I was able to play around with my 12c Service Bus. However since it was stated that the solution could result into problems with BPM on your domain I reminded myself that I wanted to dive deeper into this when I had the time.

Google helped me out, and I discovered this information on the Apache Felix framework website.

Felix installs the URL Handlers service by default. If you do not want this service you can disable it, by setting the felix.service.urlhandlers property to false in the config.properties file. It is not recommended to disable this, but the main reason for doing so it because the URL Handlers implementation invokes methods to set the singleton factories for URL stream and content handler factories. Assuming that you want to use URL Handlers service, you must configure it if you aren’t running on the standard Sun JRE. Read the complete article here.

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Thursday Sep 18, 2014

Using the clone ability to duplicate a Service Bus 12c project by Jan van Zoggel

It’s quite common in a service oriented landscape that a newer version of a service is required. For 01instance due to new functionality for 1 service consumer which brakes the contract for the other consumers.
JDeveloper 12c has a cool feature helping us to clone a Service Bus project. Right-click on the project and select Service Bus -> Clone
Determine the name of your clone target, for instance a version 1.1 of your current project: Read the complete article here.

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Tuesday Sep 16, 2014

Installing Oracle SOA Suite 12.1.3 for developers by Jan van Zoggel

This blogpost quickly describes the usage of the Oracle SOA Suite 12.1.3 Quick Start Installer for developers.07
After download and extracting the fmw_12.1.3.0.0_soaqs_Disk1_1of1.zip file from the Oracle website you will find 2 JAR files in the archive.

  • 18-06-2014 22:39 2.060.922.907 fmw_12.1.3.0.0_soa_quickstart.jar
  • 18-06-2014 22:38 1.125.261.418 fmw_12.1.3.0.0_soa_quickstart2.jar

Funny detail, both JAR files are dated 18-06 so it seems the package was ready a week before the big release on 26-06-2014

On Windows make sure you run the JAR with Administrator priviles, if you don’t you will get the following error message: Read the complete article here.

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Friday Jun 13, 2014

How to enable automatic startup recovery in Oracle BPM 11g by Jan van Zoggel

Soa AdministrationFor some reason the default settings for automatic recovery of instances is different between the Oracle BPEL and Oracle BPMN engine in 11g. We can view and change these setting under SOA Administration in the Oracle Enterprise Manager:

Select the BPMN properties from the menu (or off course BPEL for the BPEL engine)

Click on “More BPMN Configuration Properties…”: Read the complete article here.

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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.

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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

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Tuesday Oct 23, 2012

Oracle Service Bus duplicate message check using Coherence by Jan van Zoggel

In a situation where you need some sort of duplicate message check for an Oracle Service Bus project you would need some custom code. Since the Oracle Service Bus is stateless, when it handles a proxy service call it will not know if this specific message was handled before. So there needs to be some sort of logic in your service for validating it’s a new unique message id.

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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Monday Feb 20, 2012

Service Bus 11g Development Cookbook

The Oracle Service Bus Development Cookbook is a book which contains more than 80 practical recipes to develop service- and message-oriented solutions on the Oracle Service Bus 11g.image

This cookbook is full of immediately usable recipes showing how to efficiently develop on the Oracle Service Bus. In addition to its cookbook style, which ensures the solutions are presented in a clear step-by-step manner, the explanations go into great detail, which makes it good learning material for everyone who has experience with the OSB and wants to improve. Most of the recipes are designed in such a way that each recipe is presented as a separate, standalone entity and reading of prior recipes is not required. The finished solution of each recipe is also made available electronically.

The 80+ recipes are organized into the following chapters (the digit behind the title showing the number of recipes in that chapter):

  • Creating a basic OSB service (13)
  • Working efficiently with OSB artifacts in Eclipse OEPE (7)
  • Messaging with JMS transport (9)
  • Using EJB and JEJB transport (5)
  • Using HTTP transport (5)
  • Using File and Mail transports (5)
  • Using JCA adapter to communicate to the database (6)
  • Using SOA Direct transport to communicate with SOA Suite (4)
  • Communication, Flow Control and Message Processing (10)
  • Reliable communication with OSB (5)
  • Handling Message-Level Security requirements (9)
  • Handling Transport-Level Security requirements (4)  

Almost a year ago the author team meet at our SOA & BPM Community Forum in Utrecht. Guido Schmutz our OSB guru from Swiss formed a team that delivered the book in less than 12 months! Congratulations to all the authors Guido Schmutz, Edwin Biemond, Jan van Zoggel , Mischa Kölliker and Eric Elzinga!

Book Details

Language : English
Paperback : 522 pages [ 235mm x 191mm ]
Release Date : January 2012
ISBN : 1849684448
ISBN 13 : 978-1-84968-444-6
Author(s) : Guido Schmutz, Edwin Biemond , Jan van Zoggel , Mischa Kölliker , Eric Elzinga
Topics and Technologies : All Books, Oracle Fusion Middleware, Cookbooks, Enterprise, Oracle

You are writing a book ? Let us know we are very interested to promote it within the community! For additional books on SOA & BPM please visit our publications wiki.

For regular information on Oracle SOA Suite become a member of the SOA Partner Community. To register please visit  www.oracle.com/goto/emea/soa (OPN account required)

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