Its Lucene 5.5.2. Solr 6.0 and above mandate Java 8.
On Tue, Sep 13, 2016 at 12:04 AM, Reth RM <reth.ik...@gmail.com> wrote: > What is the latest lucene index version that is supported? > > trying to generate lucene vectors, index created using solr 4.10.2 and solr > 6.0 apis. > > command > > > ./mahout lucene.vector --dir usr/test/solr-4.10.2/example/ > solr/collection1/data/index > > --output /user/test/part-out.vec --field description --idField id > --dictOut > > /user/test/dict.txt > > > > Exception in thread "main" org.apache.lucene.index. > IndexFormatTooNewException: > Format version is not supported (resource: NIOFSIndexInput(path="/user/ > test/solr-4.10.2/example/solr/collection1/data/index/segments.gen")): -3 > (needs to be between -2 and -2) >
