I can highly recommend reading the documentation before asking questions :)
You are using the ExtractingRequestHandler, which is documented on the WIKI
like most other stuff is. The fastest way to search for Solr stuff would be
using search-lucene.com
http://search-lucene.com/?q=extracting+requ
A dynamic field with the name pattern "*" and a type of "string",
stored="true", indexed="true" and multiValued="true" should be good enough
for a "generic" field.
Generally, only use thing in test/experiment/development. It's not
recommended as an approach for production apps.
There is a co