[jboss-user] [JBossWS] - JAXBContext doesn't know ArrayList or complex types - object

komet do-not-reply at jboss.com
Tue May 27 10:26:29 EDT 2008

Hallo, I've got a simple web service with a stateless session bean as endpoint. 

I use jboss 4.2.2.GA and the current jaxws 3.0.1.

The wsdl file of my service is generated automatically and accessing the methods by a jaxws-client works fine, but...

I would like to have a simple get-method in my ws:

  | public Object get(Long param);

The generated wsdl file maps the return value to :anyType.

If the implementation of this method returns a default Java Object like a String, there are no problems in marshal or unmarshal, but if the object is an ArrayList or even an own complex type, the following error occurs on the server side:

class ArrayList|MyOwnClass nor any of its super class is known to this context.

How can I put the classes into the JAXBContext at runtime?

I tried the @XmlSeeAlso annotation without success. Creating my own JAXBContext in the stateless session bean method, adding the arraylist and marshalling causes another exception:

@XMLRootElement is missing in ArrayList ...

Thanks a lot for help!

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