solr highlighting shows empty result - solr

Question

Hi I am new in Solr and using Solr 7.0.0 running in windows 7.
I created a collection and indexed folder with pdf and html files residing in a folder using the following command:
> java -jar -Dc=guidanceDoc -Dauto example\exampledocs\post.jar M:\Projects\guidance\documents\*
If I write a query, I get results. However, if I turn the hl=on, I get a section for highlights without any text.
Here is the query:
http://localhost:8983/solr/guidanceDoc/select?hl.fl=_text_&hl=on&%20q=_text_:"Home%20Use"
Here is the highlight part of the result:
"highlighting":{
"M:\\Projects\\g1\\documents\\gg331681":{},
"M:\\Projects\\g1\\documents\\gg209337":{},
"M:\\Projects\\g1\\documents\\ggM380327":{},
"M:\\Projects\\g1\\documents\\gg470201":{},
"M:\\Projects\\g1\\documents\\gg507278":{},
"M:\\Projects\\g1\\documents\\gg073767":{},
"M:\\Projects\\g1\\documents\\gg380325":{},
"M:\\Projects\\g1\\documents\\gg484345":{},
"M:\\Projects\\g1\\documents\\gg259760":{}}}
How can I make it work?

Answer 1

Your field for a highlighting should be marked as stored=true. Since you're running Solr in cloud mode, I will recommend to use Schema API to change field definition:
curl -X POST -H 'Content-type:application/json' --data-binary '{
"replace-field":{
"name":"hl_field",
"type":"text",
"stored":true }
}' http://localhost:8983/solr/guidanceDoc/schema