Leonardo,
adding to Sumit's comment I'd say you can well go without the Java Stack for the moment (actual releases) being. The webservice homepage is just a kind of a toy for the very newbie IMHO.
You can't publish your services to the world for anonymous browsing without the homepage. If this is a requirement you need to set it up or create a UDDI or something similar yourself.
In case you don't need anonymous browsing (&usage of services) you can simply point your prospective webservice consumers to the relevantWSDL URLs and they will be happy with it at first place (given your service design is reasonable; i.e. expressive, more or less self describing parameter names, etc...);
Since the webservice framework on the WAS ABAP is missing the capability of enumerations in XSD (as well as the possibility of annotation on a field level) you probably need to supply the prospective consumers with an accompanying documentation about valid input parameters. The webservice homepage didn't supply this either though.
my 2 cents,
anton
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