To reproduce create the following index:
```
PUT /rando
PUT /rando/_mapping/fortune
{
"properties": {
"msg": {
"type": "text"
},
"lucky_number": {
"type": "flo…
```
What steps will reproduce the problem?
1. convert sample-ranking-data to binary format
2. train with sample-ranking-data using sample-ranking-config.properties
What is the expected output? What d…