To expand on Markus's comment...
1) The availability for downloading "Past Versions" of Solr is spelled out on the downloads page: https://solr.apache.org/downloads.html#past-versions 2) The mirror network, by design, is only suppose to host "current, recommended releases" -- the specific definition of that is left somewhat up to interpretation by the projects -- to help reduce disk requirements of every mirror provider (which mirror releases for *ALL* apache projects): https://infra.apache.org/mirrors.html -Hoss http://www.lucidworks.com/ : All ASF project releases are permanently available at the archive: : http://archive.apache.org/dist/lucene/solr/ : : Future versions of Solr are probably here: : http://archive.apache.org/dist/solr/
