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From Jon Sharp <>
Subject Cayenne and JAX-WS / JAXB
Date Mon, 26 May 2008 23:51:15 GMT
Hello all,

We are using Cayenne 3.0M3 for ORM in our project and are exposing  
this database using SOAP Web Services.  We're using the latest Sun  
Metro stack (1.2), consisting of the JAX-WS and JAXB frameworks.  In  
attempting to use Cayenne Data objects as either return types or  
method parameters for our defined @WebMethod's, we are greeted with an  
error that indicates JAXB does not handle interfaces.  For those who  
may not be familiar with JAX-WS/JAXB, JAXB is responsible for  
marshalling java objects into XML, and this is of course necessary for  
use in SOAP web services provided by the JAX-WS framework.  According  
to, there are  
some solutions for this issue, but it appears that it may involve code  
changes to Cayenne.  I'm not a Cayenne developer, so I cannot say how  
feasible or practical this approach may be.  Perhaps someone could  
comment on that, but more important to me at this point is determining  
whether anyone has been successful in marshalling cayenne data objects  
to XML using JAXB?


Jon Sharp
CTO & Senior Engineer
Campground Automation Systems, Inc.
(615) 579-5868

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