In the future, please send questions about "using" solr to the "solr-user" list.
: in SOLR xml : start tag = <field name="cat"> : end tag = </field> : : can you adivise anything on this please. if i'm understanding correctly, the fact that the "field" tag requires an "attribute" of name is what is confusing you ... check the documentation for what ever librabry you use to generate XML on how to create "attributes" for tags and you should be good to go. -Hoss