Hi,
I was wondering if anybody here might know what's going with an exception
I've got embedding mule ESB in an appfuse app. First, mule itself uses CXF,
and I made a version of appfuse work with CXF but this problem exists with
both that and an unmodified appfuse that still uses XFire so I suspect
that's irrelevant. It's the miule CXF code that's blowing up on it, using
both JAXB and Aegis databinding. Aegis looks better for handling
Collections and things along those lines so I'll show that exception:
Caused by: org.apache.cxf.aegis.DatabindingException: Error initializing
parameters for operation {http://service.integration.jackalista.org/}getAll:
Cannot create mapping for java.util.List, unspecified component type for
method getAll parameter -1
Based on the following from this CXF article under the heading
"Collections":
http://cwiki.apache.org/CXF20DOC/aegis-21.html
which says:
---------------------------------------------------------
"If you use a 'raw' collection type, Aegis will map it as a collection of
xsd:any particles. If you want the WSDL to show it as a collection of some
specific type, the easiest thing to do is to use Java generics instead of
raw types. If, for some reason, you can't do that, you can use the
componentType and keyType attributes of a property to specify the Java
classes."
---------------------------------------------------------
The getAll() method which is part of appfuse core does return an untyped (no
generics) java.util.List, doesn't it? I'd have thought that Aegis would
have mapped it as a collection of xsd:any as it says above but it's blowing
up with that exception complaining about the component type of the List
which looks kind of like what's in that article.
I'm trying to set up code first dev with mule as is done with appfuse web
services but am not sure what to do to fix this exception. Does anyone know
why xfire / xmlbeans in appfuse proper has no problem with this but Aegis is
throwing up? Do I need to add further annotations or different ones? I'd
like to get CXF under mule working the same basic way as xfire does under
the standard appfuse dist but am not finding too many clear answers in what
docs I've seen from the mule and CXF sites.
Does anyone know the details about our xfire implementation regarding wsdl /
XSD generation and mapping? And / or can anybody recommend a very
comprehensive CXF book / manual / tutorial / etc. that might shed some light
on this? I'd really like to get an appfuse mule starter app up but this
needs to be resolved. If you're interested in the nitty gritty it looks
like the latest mule (2.2.2) includes CXF 2.1.5 which it uses for things
like databinding and web services support. I'm also open to input about how
to set this up and will share the source, I'm trying to get a decent code
first set up analogous to what exists now with xfire but am also interested
in a wsdl first set up, feel free to speak up if you have opinions about how
that might best be done and I might just do it for you.
--j
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