We suggest the following location for your download: https://dlcdn.apache.org/lucene/solr/ Alternate download locations are suggested below. It is essential that you verify the integrity of the downloaded file using the PGP signature ( .asc file) or a hash ( .md5 or .sha* file). HTTP ¶ https://dlcdn.apache.org/lucene/solr/ Backup Sites ¶ https://dlcdn.apache.org/lucene/solr/ Verify the integrity o