Andrej Koelewijn

I ran into the following problem yesterday while building a rest service using resteasy: the code would compile ok, but the unit tests wouldn’t run. I got the following exception in the output of the unit tests:

java.lang.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/ws/rs/ext/RuntimeDelegate
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
at [...]

Today, during a SOA workshop we had a discussion about governance. Most people see the need for Governance when applying SOA. Without governance your beautiful flexible architecture will soon evolve into SOA spaghetti. Hard to modify, the opposite of business agility.
One goal of SOA governance is that it should verify that Services are reusable: Shared [...]

Recently David Pogue suggested smartphones like the iPhone should be called app-phone instead. I think focussing on the apps is wrong. For me, the thing that the iPhone does better than most other phones is internet access. The iphone is a net-phone. It is your mobile internet terminal. But it’s more than that, it’s also [...]

I did a small proof of concept yesterday: a wicket web application using embedded Mule to connect to some services. Problem is that it had to run on OC4J 10.1.3.4.0 with Java 5. Got it running pretty fast, some tips:

Oracle’s xml parser didn’t like some of Mule’s xsd files. You can solve this by [...]

Here’s a simple file monitoring tool which uses cometd to push file changes to a webpage.
The server part consists of a groovy script which uses Apache Camel to monitor some files. It then uses Apache Camel to push the lines added to the files to the browser with Cometd. In the webpage a bit [...]

Stefan Tilkov blogged on the recently created SOA manifesto. He’s a big proponent of using REST(ful HTTP) for achieving SOA goals. One of the reactions he got on a previous post on this topic states that REST and SOA are incompatible, as REST is not about services but about resources or documents (with a standardized [...]

Here’s a quick example (thx enno) how you can unit test an smtp endpoint in Mule using subethasmtp Wiser.
We’ll start by creating a new mule project using maven:

mvn mule-project-archetype:create -DgroupId=nl.iteye \
-DartifactId=mule-mail -DmuleVersion=2.2.1 -Dinteractive=false \
-Dtransports=smtp,vm -Dmodules=

If you have problems with dependencies when you run mvn compile, here’s a blog post that will [...]

A coworker found a message on the mule-user mailing list that said that you have to apply response transformers on inbound endpoints, not on outbound endpoints. Sounds a bit weird to me, at least not very intuitive. Time for a test.
Response transformer in a pass-through-router
Here’s the mule config:

<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns="http://www.mulesource.org/schema/mule/core/2.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:http="http://www.mulesource.org/schema/mule/http/2.2" xmlns:vm="http://www.mulesource.org/schema/mule/vm/2.2"
xmlns:scripting="http://www.mulesource.org/schema/mule/scripting/2.2"
xsi:schemaLocation="

http://www.mulesource.org/schema/mule/scripting/2.2

http://www.mulesource.org/schema/mule/scripting/2.2/mule-scripting.xsd

http://www.mulesource.org/schema/mule/core/2.2

http://www.mulesource.org/schema/mule/core/2.2/mule.xsd

http://www.mulesource.org/schema/mule/http/2.2

http://www.mulesource.org/schema/mule/http/2.2/mule-http.xsd

http://www.mulesource.org/schema/mule/vm/2.2

http://www.mulesource.org/schema/mule/vm/2.2/mule-vm.xsd">

<scripting:transformer [...]

I created a normal mule project using the maven archetype, eg:

mvn mule-project-archetype:create -DgroupId=nl.iteye -DartifactId=mule-tests -DmuleVersion=2.2.1 -Dinteractive=false

Strangely, i got some missing dependencies on this project. The maven output shows me the following:

[INFO] Unable to find resource ‘org.safehaus.jug:jug:pom:2.0.0-osgi’ in repository central (http://central)
[INFO] Unable to find resource ‘org.apache.santuario:xmlsec:pom:1.4.0′ in repository central (http://central)
[INFO] Unable to find resource ‘javax.script:groovy-engine:pom:1.1-osgi’ in [...]

Here’s a quick example how you can build a RESTfull Grails application and deploy it to Google App Engine. For this example you need Grails 1.1.1 and GAE SDK for Java version 1.2.1.
I’m going to create a small service which will return a wind forecast. The forecast data is hardcoded as this is just some [...]