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Vacatures bij AMIS services

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 post I would like to share with you several attempts to solve this problem, why they failed and the final solution to the problem.

Printing of official documents happened in a separate printing module. Whenever a document needed to be printed, an XML document was generated in a database query and sent to the printing module. Most of the data came from relational database tables, but pieces of standard text were supplied as XML documents by another party… and saved in our database in an XMLType column based on CLOB storage.

Our printing module expected to find these standard text XML documents within a tag in our generated XML document. Also both XML documents, our generated XML and the supplied XML, had different namespaces, this needed to maintained this way. The Oracle database version we were working with was 10.1.0.5.0.

In this post I will use a simplified version of the real XML More >

Vacatures bij AMIS services

Review of Oracle Service Bus 11g Development Cookbook (Packt Publishing) by Edwin Biemond, Guido Schmutz, Eric Elzinga et. al.

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Recently I gained access to an electronic copy of the just released Oracle Service Bus 11g Development Cookbook, written by five authors – all experts on OSB and three personal acquaintances of mine. I was very interested in learning about the final result after hearing many intermediate comments during the writing process as well as reading the occasional remark on Twitter. Knowing Guido, Eric and Edwin and assuming the same expert level for the other two authors, I anticipated a very interesting read.

Below I will share my impressions from browsing through this solid 500+ page volume. Note: the homepage for the book can be found here: http://www.packtpub.com/oracle-service-bus-11g-development-cookbook/book .

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SIG Event

Android puts Oracle on the (Google) map.

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For a couple of months I have been discovering the Android platform. As an original Oracle developer I was wondering how an Android app can be connected to an Oracle database. For this purpose I developed an Android app that stores speed traps that users may hit while driving, into an Oracle database. The app also retrieves these speed traps from the database and draws them onto a Google map:

Fig. 1 After pressing the Android device’s menu button, two menu options ‘Retrieve’ and ‘Report’ (speed traps) appear.

Fig. 2 After pressing the ‘Retrieve’ option all speed traps already stored in the database appear as markers on the map.

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SIG Event

Automatic testing Oracle Service Bus using Hudson, maven and SoapUI

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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 automate as much as possible.   Using soapUI you are able to create visually SOAP tests on your OSB implementation and running them against the defined infrastructure (develop, test, acceptance).  SoapUI enables with easy tools to implements verification and validation of the responses of your OSB implementation. When running the test you are also able to set limits in SLA response times on all the calls. This way you are able to monitor depreciation of performance in older parts of your OSB implementation when adding new services.   You can record and edit your SOAP test easy with the soapUI interface and edit it later. When you maven-enable your project it is quite easy running your tests when you implement the “maven-soapui-plugin” (see my other posting http://technology.amis.nl/blog/3061/automated-soap-testing-with-maven).  In the meantime version 3.0 of More >
SIG Event

Automated SOAP testing with maven and the SoapUI plugin

Currently there are few tools that can support testing SOAP interfaces. Both Jmeter and SoapUI are suited for testing soap interfaces. SoapUI is explicitly created for testing SOAP interfaces and Jmeter has a SOAP support since version 2.3.x. I have worked with both tools and I prefer SoapUI. It has an intuitive user interface and is flexible. (Please also have a look at the blog of Jeroen)

You can run SoapUI stand alone but I prefer to integrate these kinds of tools with an automated process. Below you will find instructions for running SoapUI as a part of a maven build. This makes it possible to run your automated SOAP tests in Maven with a build process like Hudson. Combined with automatic deployment it is possible to support an agile software development process that supports frequent delivery of versions and continuous testing.

Maven supports SoapUI with the Maven SoapUI plugin. (more…)

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