The only way Solr will fetch documents is through the Data Import Handler. Take a look to the URLDataSource[1] to see if it fits. Possibly you will need to customize it.
[1] https://lucene.apache.org/solr/guide/6_6/uploading-structured-data-store-data-with-the-data-import-handler.html#urldatasource ----- --------------- Alessandro Benedetti Search Consultant, R&D Software Engineer, Director Sease Ltd. - www.sease.io -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html