: I have a old project that use Lucene 2.9. Its possible to use the index : created by lucene in SOLR? May i just copy de index to data directory of : SOLR, or exists some mechanism to import Lucene index?
you can use an index created directly with lucene libraries in Solr, but in order for Solr to understand that index and do anything meaningful with it you have to configure solr with a schema.xml file that makes sense given the custom code used to build that index (ie: what fields did you store, what fields did you index, what analyzers did you use, what fields dod you index with term vectors, etc...) -Hoss
