I'm seeing the following Exception using JSON Facet API in SolrJ 7.6, 7.7, 7.7.1:
Caused by: java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer at org.apache.solr.client.solrj.response.json.NestableJsonFacet.<init>(NestableJsonFacet.java:52) at org.apache.solr.client.solrj.response.QueryResponse.extractJsonFacetingInfo(QueryResponse.java:200) at org.apache.solr.client.solrj.response.QueryResponse.getJsonFacetingResponse(QueryResponse.java:571) [Nastel Technologies]<http://www.nastel.com/> The information contained in this e-mail and in any attachment is confidential and is intended solely for the use of the individual or entity to which it is addressed. Access, copying, disclosure or use of such information by anyone else is unauthorized. If you are not the intended recipient, please delete the e-mail and refrain from use of such information.