Although there are a lot of evaluators available in Mule CE it is very easy to add your own evaluator. In my case we have a self defined message format that holds some properties in the header of a message (similar to JMS Message, MuleMessage, etc.). To get access to these properties in the Mule config I created a custom evaluator that made this possible. Although there will be other solutions available for this situation, I found this a nice (pragmatic) way to solve it. It also provides a base to start from in case of possible changes in the future.
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This post is one of the series of posts about issues that occurred when we were using Mule2 in a real life project. As I wrote in my last post we were using CXF to call a webservice with Mule. After the issues we ran into as described in that article, we ended up with the folowing issue. The generated classes that are used for the XML to Java mapping has to be serializable. This is possible by using a binding file when generating the classes with Maven as described in the documentation here.
However, I haven’t been able to do this in my situation. And according to this post I am not the only one. So to keep the project moving I decided to make use of Metro JAX-WS instead of CXF, since this CXF thing had cost us enough of our precious time. With the Metro implementation we had it running in no time without any unexpected issues.

This is the first of a series of short posts about issues we had when using Mule2 in a real project. The first issue I want to mention is the IllegalArgumentException. When we first ran into this exception we hadn’t really a clue where to look for the solution. After some investigation it appeared that the exception is raised when a components operation is called with the wrong type of argument.
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I have blogged before about how to generate JAXB binding classes based on your WSDL file, this time I wanted to generate JAXB classes based on just XSD files. Although I expected this to be simple, it took me quite some time to get it right, so I decided to give this item its own post :-)
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