LNK2019: “Unresolved external symbol” with rapidjson

Question

I have a Visual C++ Project in which I added the rapidjson library, which is tested to be working properly. But when I add a rapidjson::Document type to the nested

Answer 1

jsonObj doesn't have copy constructor and it can't have any copy constructor since Document's copy constructor is disabled in rapidjson. Try to hold pointer to document instead, something like this :

class jsonObj {
    string jsonStr;
    string message;
    Document* doc; //HERE IS THE PROBLEM
    bool validMsg;
}

Or pass document(jsonObj) from outside to:

jsonObj query(string sSQL);

For example:

query(string sSQL, jsonObj & out_obj)