Re: Solr Migration 1.4.1 -> 5.2.1

2015-10-15 Thread Shawn Heisey
On 10/15/2015 9:53 AM, fabigol wrote: > i catch an old project working with Solr 1.4.1, jbossPortal and java 1.5. > I try to migrate my solr version to solr 5.2.1 work with java 1.7. > The solr indexation works but i fail to display the new results on my > application. > I want to know if i must

Re: Solr Migration 1.4.1 -> 5.2.1

2015-10-15 Thread Erick Erickson
Solr does not guarantee backwards compatibility more than one major version back. That is, Solr 3.x is guaranteed to at least read Solr 1.4 indexes (there was no Solr 2.x). Solr 4x can read 3x but not 1.x. Solr 5x can read 4x indexes, but not 3x You really only have two choices here. You _could_