Friday May 13, 2016

SOA Suite 12.2.1: Failure resiliency by Marcel van de Glind


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Adjust the situation that from a business process various service endpoints are invoked, where one of them is shown unstable behavior. The unstable service is regularly for short and sometimes long time not available. This may result in a large number of instances end in the error hospital. At the time that the endpoint is not available, resources are used to process instances which will not end successfully. Failure resiliency solution helps to avoid this situation. The failure resiliency solution is to suspend upstream inbound adapters, or EDN subscriptions, or web services. In the case of web services, clients are given errors right away. In the case of EDN and Adapters, messages wait in directory/queue/topic etc. until the endpoint is resumed.

IWS can also help in this situation (see also my IWS blog). Use IWS to examine what happened at various points in the business process to analyze the behavior.

By default, failure resiliency is switched off. Zo to start using it, the first step is to enable failure resiliency. You can enable it globally (as shown below). Each downstream endpoint inherits this configuration, but you can override it for an endpoint. Read the complete article here.

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Saturday Jan 02, 2016

How to withdraw tasks and handle them in Oracle BPM by Jan van Zoggel

clip_image001If you want to withdraw a Human Task in Oracle BPM there are multiple options. This blog post will first show 3 options and then explain how to model your Oracle BPM process to anticipate on the result of a withdrawn task.

1. The BPM Workspace

Using the default Oracle BPM WorkSpace to withdraw a task:

2. Using the TaskService

If you use a custom front-end (instead of the default Oracle BPM Workspace) you can use the Oracle SOA Suite TaskQueryService & TaskService to handle your tasks. In the TaskService there are operations named withdraw and withdrawTasks to either withdraw 1 or multiple tasks. The example below shows a withdrawTask operation request message. Read the complete article here.

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Tuesday Dec 29, 2015

Process Cloud Service – Applications by Marcel van de Glind


clip_image002In my previous post I wrote about spaces (PCS – Spaces). In this post I will go into the next step: ‘Applications’. I will describe how to create, download, import, export, deploy, delete, etc. an application.

Create a new Application

Click the Create button at the top-left corner of the home page and select New Application from the choices. The following window appears:

In here you have to specify a name for the application and in which space to create it. Optionally you can also enter a description. After that click the Create button. The new Empty application is created in the specified space.
Delete an Application

On the top level in the Business Process Composer the Applications in the currently selected space are shown. From here it is possible to delete an Application. For this click the Options button in the bottom right corner of the Application. A menu pop’s up from where you can select ‘Delete application’. Note: this options it only available if you are the owner of the space.

Read the complete article here.

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Tuesday Dec 22, 2015

MTOM using SoapUI and OSB by Martien van den Akker

clip_image001MTOM (Message Transmission Optimization Mechanism) is incredibly hard... to find practical information about, on SoapUI and OSB. There are loads of articles. Like:

But I need to process documents that are send using MTOM to my service. And to be able to test it, I need to create a working example of a SoapUI project to do exactly that. Also about SoapUI and MTOM there are loads of examples, and it is quite simple really. But I had a more complex wsdl that I was able to use for Soap with Attachments (SwA) wich is also simple really. But how to connect those two in a simple working example? Well, actually, it turns out not so hard either... So bottom-line, MTOM with SoapUI and OSB is not so hard. If you know how, that is.
So let's work this out on a step-by-step basis.

XSD/WSDL

I'll start with a simple XSD: Read the complete article here.

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Friday Dec 18, 2015

How to customize your Service Bus 12c pipeline templates by Jan van Zoggel

clip_image001One of the new features in Service Bus 12c is the ability to use pipeline templates. Usually the Oracle Service Bus pipelines in an environment have many common steps. Think of the re-use of logging, error handling, alerts and pattern + naming convention for your stages. In practice with OSB 11g we often used a “template” or existing OSB project which we then copied and modified. With the “clone” option of 12c this task is already easier, but the use of pipeline templates is even better. Since templates and concrete pipelines (generated pipelines from a template) remain linked we can update our services easier with new insights. For example, when you want to change your default logging or fault handling behavior.

Index:

To use pipeline templates to their fullest potential we can customize them to our own needs. For this we have multiple options.

Generic configuration

The essential configuration of most actions can be left empty in the template without any problem. As soon as they are implemented in concrete pipelines the actions there will come into an ERROR state. The example below shows the Routing which is empty in the pipeline template. When developing the concrete pipelines we can then easily set the correct business service. Read the complete article here.

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Sunday Dec 13, 2015

Patching your JDeveloper 12.1.3 with SOA Bundle Patch 12.1.3.0.2 by Jan van Zoggel

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The SOA(/BPM) Bundle Patch 12.1.3.0.2 is available for download from Oracle Support (http://support.oracle.com)
Just use the search on patch number ‘20423408’ and it will bring you the patch details page with the download (approx. 662MB).
You can deploy the patch on top of your basic 12.1.3.0.0 or the earlier released SOA Bundle Patch 12.1.3.0.1

So I patched my own JDeveloper 12.1.3 environment with the OPATCH tool.
Extract the downloaded patch, I’ll use C:\temp\p20423408_121300_Generic\20423408
This folder is called ‘patch_TOP’ in opatch terminology.

Since I use Windows as local OS you will need to First open a command prompt with Administrator rights (right-click, run as Administrator).
If we don’t use the right permissions we will get the error: Unable to lock Central Inventory. OPatch will attempt to re-lock

First we set our ORACLE_HOME to the Jdeveloper 12.1.3 folder:
SET ORACLE_HOME=C:\ORACLE\middleware\12.1.3
And make sure opatch is in our path:
SET PATH=%PATH%;C:\ORACLE\middleware\12.1.3\OPatch
We browse to the patch_top folder:
cd C:\temp\p20423408_121300_Generic\20423408
And run opatch:
opatch apply

Read the complete article here.

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Sunday Oct 25, 2015

Introducing the Integration Cloud Service by Robert van Molken

clip_image002Oracle released some more Cloud offerings and in this article we introduce the Integration Cloud Service. This cloud service lets your organization create integrations between cloud application, but also between cloud and on-premise applications. Create connections to well known and less known SaaS applications using a bunch of cloud adapters, publish or subscribe to the Messaging Cloud Service, or use industry standards like SOAP & REST. The available set of cloud adapters will certainly grow in the future when the marketplace is fully up-and-running.

Why should organizations consider the Cloud?
Let’s get started with the key benefits and features before diving into them more detailed. Why should organizations consider the Cloud?
In this day and age more and more software is going into the cloud, maybe they’re even developed with a cloud-first strategy. Thinks of your CRM, ERP of your HCM application. These applications do not do standalone business they communicate with each other, they exchange information. The Integration Cloud (fno ICS) provides this integrations and does it simplified.

The Cloud has a lot advantages, it is probably the most cost efficient method to use, maintain and upgrade an enterprise service bus.  It is available at much cheaper rates and hence, can significantly lower the company’s IT expenses. Besides, there are many pay-as-you-go and other scalable options available, which makes it very reasonable for your organization. Since all your data is stored in the cloud, backing it up and restoring the same is relatively much easier than storing the same on a physical device. Once you register yourself in the cloud, you can access the information from anywhere, where there is an Internet connection.

So what has the Integration Cloud Service to offer to meet these demands?

Simplified UI
ICS gives a web-based, point & click integration experience where you can easily create integrations between Cloud applications, public web services and on-premise applications.

Rich Connectivity
ICS has a standard library of Cloud & On-premise connectors which includes Oracle SaaS applications, but also connectors for the Messaging Cloud Service and industry standards like SOAP and REST.

Recommendations
The mapping builder to create the necessary mappings between the adapter connections has a build-in recommendation engine for guidance how to best map source to target fields.

Visibility & Error Detections
ICS as build-in a rich monitoring and error management. With advanced tracking you can easily spot inconsistencies and monitoring the usage and performance of integrations. It generates alerts, and even emails them, when connections fail to work. With the guided error handling the errors are easy to repair.

Overview of the Integration Cloud Service
Because it is fully web-based you only need to open a browser and go to the URL you received after creating your ICS instance. After signing in to the Integration Cloud Service you are welcomed by the home page. Read the complete article here.

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Saturday Jul 18, 2015

How to use the Domain Value Map (DVM) in Oracle Service Bus 12c by Jan van Zoggel

Introduction

clip_image002Due to the tighter integration of Oracle Service Bus 12c in the whole Oracle SOA Suite product it’s now much easier for developers to use general SOA Suite components like the Domain Value Map (DVM).

Getting Started

First I use the OSB 12c clone project ability to copy th earlier created/blogged OSB 12c Database adapter project and create a project named GetCaseServiceDVM. In the new project we add a Domain Value Map (DVM):

The file name and description speak for themself. The Initial DVM Entries forces us to define the minimum amount of 2 domain names (source and target of our value) and if we want we can inmediately configure the 1st record here.

The result is a DVM file in our project which we can easily edit within JDeveloper 12c.
For this blogpost we will add 2 records which will allow us to translate the value “1” and “2” which we receive from the database to a basic description of that value. Read the complete article here.

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Friday Jul 17, 2015

SOA Suite UMS: Deregister obsolete Messaging Client applications by Martien van den Akker


clip_image002There are already several blogs on how to receive and send email using the UMS email adapter. A few good starting points that use GMail as a provider are the ones written by our respected con-colleagues of Amis:

So I won't bother to do a how-to on that on my account. Although I managed to get that working with a local Exchange setup.

What I managed to do is to read e-mail and then process it to upload the attachments and body using BPEL and java in a Spring-Context to Adaptive Case Management. If you want to do something similar make sure you install the patch 18511990 for fetching the attachment-properties and -content, since without the patch the properties for inline attachements are not written properly to the soa-infra database. See my earlier blog-posts here and here.
Having it all setup and playing around with it, you might end up in the situation that the service won't listen to the actual email-address you reserved for it, as I did. This might be the case when you change the email address in your receiving adapter component in the composite. Or after deploying several versions of the composite, especially with different addresses.
It turns out that there is a panel to deregister Messaging Client Applications to cleanup the mess.
First go to the Enterprise Manager and under the Weblogic Domain navigate to the 'usermessagingserver' (there are also entries for the different usermessagingdriver's, but in this case you need the server itself):

Right click on it and in the pop-up choose 'Messaging Client Applications': Read the complete article here.

SOA & BPM Partner Community

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Saturday Jun 13, 2015

It's Spring for Oracle ACM API's by Martien van den Akker

clip_image002Before the holiday season I was working on a service to receive e-mails in BPM using the UMS-email-adapter. Then process the attachments and the body and upload them to the Oracle ACM-case the email was meant for.
I won't get in too much detail here, since there are some articles on the use of ACM-API's like the ones of Niall Comminsky.
Unfortunately, until now, there are no WSDL/SOAP or REST services available on the ACM-API's, as they are on the Workflow Task API's. However, it is not so hard to make the API's available as services. The trick is to wrap them up in a set of Java-beans, with one class with methods that do the jobs and create 'request and response beans' for the input parameters of the methods and the response.
A few years ago I wrote an article on using Spring components in SOA Suite 11g. This approach is still perfectly usable for SOA/BPM12c. And gives you a WSDL interface on the API's in near to no time.
There is one remark on the API's, though. That is on the creation of the the ACM Stream Service, or actually the creation of the BPMServiceClientFactory to get the context. In the blog of Niall you'll read that you need to set the following context-properties: Read the complete 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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