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Posted to java-user@axis.apache.org by c b <ch...@yahoo.com> on 2006/12/15 08:00:15 UTC

WSDL type mapping for List

Hi Axis-Users,

I have a simple web service operation which returns a string. This was working fine for me.
Recently I needed to change the return type from String to a List(ArrayList).
I duly generated the new wsdl and a new client and tried to invoke the newly deployed
web service.
But it gives me an AXIS fault.
I checked the newly generated WSDL and the response element now shows the type as 
"xsd:anytype". 
Does this have anything to do with the axis fault that I am getting?

Thanks,
Chinmay.

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Re: WSDL type mapping for List

Posted by Rahul Devgan <rd...@gmail.com>.

Hi,
It all comes down to what kind of serializers are available. What can or can
not be sent over the wire is entirely dependent on the product you are
using. Axis has built in support for a lot Java Types and its associated
tools work withing those boundaries. That is why for complex transactions
involving business data to be sent over wire, I would recommend
"document-literal/wrapped" calls and not rpc-encoded calls. Basically when
you have lots of data to be sent across to a WS, design the WS endpoint so
that it accepts a xml-document and then have the document parsed using your
own business logic. On the client side, create the document as per the XSD
of the document. In this sort of scenario, Axis will not be of much help
from serialization/ deserialization point of view but it can still do a lot
of other things for you.

On 12/26/06, c b <ch...@yahoo.com> wrote:
>
> Rahul,
> Thanks a lot for your reply.
>
> I have done my stuff by using an array of value objects.
> Wht I was trying to point out was Java2WSDL generates a proper schema defn
> for a 1D String[], but not for a 2D String[].
>
> Thanks again,
> Chinmay
>
> *Rahul Devgan <rd...@gmail.com>* wrote:
>
> If I understand you correctly, you are trying to return string pairs, with
> a key and corresponding value?
>
> If this is right, 1. you could either use a Hashmap (axis has buitl in
> serializers for hasmap, for sake of brevity both your client must also be a
> java one. I am not saying that you can not invoke such a service from .Net
> clients, that would require you to use no 2 on client side) or 2. an array
> of a value objects, their class being a simple one with 2 attributes, the
> key and value. Ofcoucrse, following the java bean rules and having getters
> and setters for both of them.
>
> On 12/22/06, c b <ch...@yahoo.com> wrote:
> >
> > Hey Anne,
> > Thanks for the reply.
> > My thing works fine now.
> >
> > I have now tried returning a 2D String array, but the schema generated
> > for it is also
> > similar to a 1D array. And the web service fails.
> >
> > have u come across anything like this??
> >
> > Thanks,
> > Chinmay
> >
> > *Anne Thomas Manes < atmanes@gmail.com>* wrote:
> >
> > Use an array rather than a List.
> >
> >
> > On 12/15/06, c b wrote:
> > >
> > > Hi Axis-Users,
> > >
> > > I have a simple web service operation which returns a string. This was
> > > working fine for me.
> > > Recently I needed to change the return type from String to a
> > > List(ArrayList).
> > > I duly generated the new wsdl and a new client and tried to invoke the
> > newly
> > > deployed
> > > web service.
> > > But it gives me an AXIS fault.
> > > I checked the newly generated WSDL and the response element now shows
> > the
> > > type as
> > > "xsd:anytype".
> > > Does this have anything to do with the axis fault that I am getting?
> > >
> > > Thanks,
> > > Chinmay.
> > > __________________________________________________
> > > Do You Yahoo!?
> > > Tired of spam? Yahoo! Mail has the best spam protection around
> > > http://mail.yahoo.com
> >
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> >
> >
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>
>
>
> --
> warm regards,
> Rahul Devgan
> Cell: +61-412163412
> --- there is no pleasure in life like music ---
>
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam protection around
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>



-- 
warm regards,
Rahul Devgan
Cell: +61-412163412
--- there is no pleasure in life like music ---