Saturday Dec 14, 2013

OSB Threading and the HTTP Transport White Paper by Mike Muller

I have created a white paper explaining the OSB threading model with a focus on the HTTP transport.  I have heard from several customers who have experienced difficulty with tuning HTTP services with relation to the use of work managers.  This paper’s goal is to explain the threads involved in servicing a proxy and how work managers fit into that model.

OSBThreadingModelHTTPTransport_1.1

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Saturday Nov 09, 2013

Oracle Service Bus JMS Deployments Utility by Mike Muller

For proxy services utilizing the JMS transport, OSB receives messages from destinations by using an MDB. These MDBs get generated and deployed during activation of the service configuration. OSB creates a random, unique name for the J2EE application that gets deployed to WLS. The name starts with “_ALSB_” and ends in a unique series of digits. The EAR files are written to the sbgen subdirectory of the domain home directory. You will see these applications on the WLS console page for “Deployments”.

For various operational reasons, there are times when the application name for a given proxy service needs to be determined. Since the generated name of the application doesn’t reflect the name of the service, it becomes difficult to determine the relationship between the service and its EAR file. In fact, it can not be discerned from either the OSB or WLS consoles.Read the full article here.

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Wednesday Sep 04, 2013

Oracle Service Bus 11g: statistics projects and services with WLST - part 2 by Michel Schildmeijer

codeOSBstatsAs a follow-up on my earlier blogpost about how to list all your projects and services in your OSB domain, I’ve extended the script with some count statistics. Look at this screenshot below. I blacked out the names for the services.

In the example I have used I extended it with some statistic counts on some Proxy services. Now at this moment the script errors out on non monitored services, but that is because I did not implement a check if a service is monitored or not. Which should be done by checking if the value of isMonitoringEnabled in the CommonServiceConfigurationMBean is set to true.

Look below at some of the code. The first section is to get the list of projects and their proxy or business services (in my example I used proxy services). With a for loop on the getAllResourceStatistics method I filtered out the statistics I’d like to see: some counts about pipeline and SLA. Read the full article here.

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Monday Sep 02, 2013

Advanced OSB in 21 days” by EAIESB

EAIESB "Advanced OSB in 21 Days" provides developers, with step by step instructions to learn and use OSB components transports (File, FTP, JMS, Database, and Email), Java Callout, Service Callout, Dynamic Routing, Securing SOA and OSB proxy services and Exception handling in OSB using sbconsole. For more details visit our website.

Looking for additional SOA books or if you have published a book, please feel free to add it to our publications wiki!

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Friday Aug 30, 2013

Enterprise Service Bus article part of Industrial SOA series

Everyone seems to need to use an enterprise service bus (ESB) nowadays, but there is so much confusion about its actual benefit and the various concepts this term entails. This uncertainity is revealed in statements like, "Help! My boss says we need an ESB," or "Why do I need an ESB at all? Can't I achieve the same thing with BPEL or BPMN?" or even "We can do everything ourselves in language X." This article is an attempt to answer some of the most important questions surrounding this term using concrete examples, so that the areas of application that can be deemed "correct" for ESBs can be clarified:

  • What exactly is the definition of an ESB? Is it a product or an architecture pattern?
  • What are some practical uses for an ESB?
  • Do I need an ESB to build an SOA platform?
  • Which requirements do I need to satisfy?
  • Which criteria can I use to select the ESB that is most suitable for my needs?

Defining the ESB
An accepted definition for this term has yet to be firmly established that is most likely caused by a lack of industry standards, whereas standards like BPEL and BPMN 2.0 exist for process engines and other components. The term “Enterprise Service Bus” was coined by Gartner in 2002, and further introduced by the analyst Roy Schulte to describe a category of software products that he observed were available on the market at that time. Ten years later, there is still very little agreement on what exactly an ESB is or what it should deliver. There are different definitions depending on the manufacturer or source. Among other things, an ESB is defined as:

"A style of integration architecture that allows communication via a common communication bus that consists of a variety of point-to-point connections between providers and users of services."

"An infrastructure that a company uses for integrating services in the application landscape."
Read the full article here.

img

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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

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Tuesday Jul 09, 2013

Building OSB projects with Maven and removing the eclipse dependency by Mark Nelson

osbIn this earlier post, I talked about a way to automate the build and deployment for OSB, but I did not go so far as to get that working in Maven, though you certainly could.  But, OSB PS6 has added a new tool called configjar which lets you build a sbconfig.jar file without needing to have eclipse/OEPE/OSB IDE installed on the machine where you are doing the build.  You do still need OSB, but removing that IDE dependency is a big step forward.

You can find configjar sitting under your Oracle_OSB1/tools/configjar directory in your OSB PS6 installation.  There is a readme file there that tells you how to use it from ANT and WLST.  Here, I want to show you how to use it from Maven, and therefore Hudson, etc. too.

For this post, I went into the OSB IDE and created a simple project called osbProject1 which contains a single Proxy Service called (imaginatively) ProxyService1.  It is just a plain old ‘any’ proxy service with essentially no implementation at all.  But it is enough to do what we need to do. Read the full article here.

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Friday Apr 26, 2013

SOA and Oracle Fusion Middleware for the Busy IT Professional by Frank Munz

Not everybody is starting up JDeveloper first thing in the morning in order to work with Oracle SOA Suite. Let’s face it: Instead of being an SOA expert, any given IT specialist is more likely a certified DB admin, a Java developer or somebody who was just told by his manager to take care of that Oracle Service Bus installation. In case you are one of them and looking into SOA and the related Oracle products this posting is written for you.

Technology and Oracle

The following two recipes provide firstly a no-nonsense explanation of Service Oriented Architecture (the first part is not related to Oracle at all !) and secondly an overview of Oracle’s Fusion Middleware (OFM) product stack.

ofm stack

The description is deliberately easy to read and I intentionally didn’t reuse any fancy marketing slides since they are often too generic and contain too many buzzwords. Read the full article here.

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Tuesday Apr 23, 2013

Lucas Jellema: SOA, Events, BPM, and Oracle ADF by Bob Rhubart

Watch Oracle ACE Director Lucas Jellema, CTO for AMIS Systems, talks about his latest OTN article, and about SOA, BPM, Oracle ADF, and his participation in the OTN Yathra Tour in India.

You can read Luca;s latest article at: http://bit.ly/X3tevP
You'll find his blog at: http://bit.ly/YrpmD5.

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Saturday Apr 20, 2013

User Experience new content: Fusion Applications & mobile & concepts

On the Fusion Applications user experience: More: New podcasts and posts on the Oracle user experience.

Here's a round-up of recent podcasts and blog posts relating to the Oracle Applications User Experience that were published in February.

  • Jeremy Ashley, Vice President of Oracle Applications User Experience, talks about Oracle's roadmap to a simple, modern user experience for Fusion Applications. Listen to learn more about the strategy behind Project FUSE. You may also access the podcast through the Usable Apps website.
  • Ultan O'Broin, Director of Oracle Global User Experience, talks in this podcast about why Oracle is making design patterns available for customers, partners, and the development community. These design patterns for the Oracle Fusion Applications user experience encapsulate proven best-practices and make them available for those who are extending or tailoring an Oracle application.
  • Richard Bingham, Oracle Applications Architect, discusses how to tailor Fusion Applications in the cloud.

On Oracle's investment in the next-generation user experience (in this case, mobile): Intense research into mobile use helps guide design of Oracle Applications

Read about the mobile trends that the Oracle Applications User Experience team noted during a recent global expedition, which included user studies in Sweden, the United States, and Beijing.

The Oracle Applications User Experience team continues to investigate how and why enterprise workers use their mobile devices, and their findings are already influencing the next-generation user experiences that Oracle is designing.

Visit the Usable Apps website to learn more.
Also on Oracle's investment in the next-generation user experience (a look at trends we're following up on): A look at new concepts for the enterprise space
The Applications User Experience team is keeping its eye on new technologies that may have an impact on the enterprise space.

New concepts and technologies go through an internal research, design, and development process to assess which ones may or may not gain traction in the enterprise space.
Read more about how our findings help guide the Oracle user experience strategy on the Voice of User Experience, or VoX, blog.

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