Hi Andrea,
I found the problem... Its not yours. It is an old uDig bug that we
haven't fixed. Essentially the guy who wrote the persistence code
for the service parameters only made it work for Strings and he was
the guy who wrote all of the existing services so it worked... its
obviously a poor solution. I've just done most of the work to fix
this problem, So that you can store "normal" types, integer, string,
urls etc... and am writing unit tests to verify that it works.
I'll get it done here soon so don't worry about this issue.
Jesse
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User-friendly Desktop Internet GIS (uDig)
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