Your problem seems really similar to "It should be possible to highlight external text" <https://issues.apache.org/jira/browse/SOLR-1397> in JIRA.
Tricia [https://issues.apache.org/jira/browse/SOLR-1397] On Tue, Dec 11, 2012 at 12:48 PM, Michael Ryan <mr...@moreover.com> wrote: > Has anyone ever attempted to highlight a field that is not stored in Solr? > We have been considering not storing fields in Solr, but still would like > to use Solr's built-in highlighting. On first glance, it looks like it > would be fairly simply to modify DefaultSolrHighlighter to get the stored > fields from an external source. We already do not use term vectors, so no > concerns there. Any gotchas that I am not seeing? > > -Michael >