Get the release and re-index? You can get a trunk version either through SVN or from the nightly build at https://builds.apache.org/hudson/view/S-Z/view/Solr/
Note that 3.1 also has result grouping, and is currently being released, so you might want to consider that version. Best Erick On Sun, Mar 20, 2011 at 9:28 PM, Ruixiang Zhang <rxzh...@gmail.com> wrote: > I want to use the Result Grouping feature that's only available for Solr4.0. > Currently, I have Solr1.4.1 installed. > I want to know how to upgrade it to Solr4.0 so that I can use Result > Grouping? > > Thanks a lot!!! > Richard >
