I'm not 100% sure, but can't recall anything that would absolutely require 2.4. However, a "memory leak" fix was committed to Lucene trunk only a few days ago - if memory is your problem.
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Lance Norskog <[EMAIL PROTECTED]> > To: solr-user@lucene.apache.org > Sent: Tuesday, September 16, 2008 1:01:00 AM > Subject: Solr 1.3 and Lucene 2.4 dev > > Is it possible to run Solr 1.3 with Lucene 2.3.2, the last official release > of Lucene? We're running into a problem with our very very large index and > wonder if there is a bug in the development Lucene. > > Thanks, > > Lance Norskog