Mapping Set to Strict, Dynamic Introduction of [_Class] Within [_Doc] Is Not Allowed

Mapping uses type hints embedded in the document sent to the server to allow generic type mapping. Those type hints are represented as _class attributes within the document and are written for each aggregate root.


...
"mappings": {
"dynamic": "strict",
"properties": {
"_class" : {
"type" : "keyword"
},
....