By putting it into eclipse (presumably me) I meant to use the WTP plugins and by right clicking the file and validating it would come up with a few errors. First off:

should have a '/' at the end

Secondly there seems something wrong with the use of

can you remove that for initial testing? it was something to do with the "part" attribute and your "encode" rather then "literal", anyway the intricacies are beyond me but hope that gives you a start cheers