while using java driver 4.2.3 with server version - 5.0.12

Document class getList method throws ClassCastExcepion below are the details.

Document in DB:

_{

  _{“name”: “hr”,
  “id”: 1,
  “employees”: [
     {
       “name”: “paul”,
       “empId”: 1
     },
    {
      “name”: “nick”,
      “empId”: 2
    }
   ]
}}

_Code:

public void getEmpList(){
        MongoCollection<Document> coll = mongoDatabase.getCollection("Department");
        try

{             Document doc = coll.find().first();             List<Employee> employees = doc.getList("employees", Employee.class);         }

catch(Exception e)

{             e.printStackTrace();         }

}

 

public class Employee{

    private String name;
    private Integer empId;

     public String getName()

{          return name;     }

    public void setName(String name)

{        this.name = name;     }

   public Integer getEmpId()

{        return empId;    }

    public void setEmpId(Integer empId)

{        this.empId = empId;     }

}

 

Output:

java.lang.ClassCastException: List element cannot be cast to com.Employee
at org.bson.Document.constructValuesList(Document.java:383)
at org.bson.Document.getList(Document.java:350)