Why got Invalid property 'district' of bean class-CodePudding

While run spring boot project, got error in home page Invalid property 'district' of bean class. I know why this error is coming because district is property of child entity and i can pass parent entity from Home()method in controller. I could pass Person entity in model in Home() method. but district and city property is from Address entity I am working with OneToOne relationship mapping.

My question are below:

Can we get two entity together in th:object in thymeleaf
Can we send Address and Person entity together using Model from controller to view

Stacktrace:

Caused by: org.springframework.beans.NotReadablePropertyException: Invalid property 'district' of bean class [com.rest.RestApiPojo.Entity.Person]: Bean property 'district' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?

Here down is my code:

Entity

@Entity
@Table(name = "person_master")
public class Person {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long p_id;

    private String name;

    private String surname;

    @OneToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
    private Address address;

    // getter setter
}

@Entity
@Table(name = "address_master")
public class Address {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long a_id;

    private String district;
    private String city;

    @OneToOne(cascade = CascadeType.ALL, mappedBy = "address")
    @JoinColumn(name = "p_id")
    private Person person;

    // getter setter
}

service

@Override
public Person addPersonAddress(Person person) {
    return personRepo.save(person);
}

controller

@RequestMapping(value = "/", method = RequestMethod.GET)
public String Home(Model mdl)
{
    mdl.addAttribute("persons", new Person());
    return "register";
}
    
@RequestMapping(value = "/personaddress", method = RequestMethod.POST)
public String addPersonAddress(Model mdl, @ModelAttribute("person") Person person, HttpServletRequest req)
{
    Address address = person.getAddress();  // get reference of person from parent table and store in child table
        
    address.setDistrict(req.getParameter("district"));
    address.setCity(req.getParameter("city"));
        
    address.setPerson(person);
    pojoService.addPersonAddress(person);
    return "listofperson";
}

Thymeleaf

<form th:action="@{/personaddress}" th:object="${persons}" method="post">
        <div >
        <h1 style="text-align: center">Add Person</h1>
          <div >
            <div >
                <div >
                  <label for="exampleFormControlInput1" >Person name</label>
                  <input type="text"  name="name" th:field="*{name}">
                </div>
                <div >
                  <label for="exampleFormControlInput1" >Person surname</label>
                  <input type="text"  name="surname" th:field="*{surname}">
                </div>
                <div >
                  <label for="exampleFormControlInput1" >District</label>
                  <input type="text"  name="district" th:field="*{district}">
                </div>
                <div >
                  <label for="exampleFormControlInput1" >City</label>
                  <input type="text"  name="city" th:field="*{city}">
                </div>
                
                <input  type="submit" value="Submit">
            </div>
          </div>
        </div>
    </form>

CodePudding user response：

Two entities are not required as they have already been mapped in the person class just write 'address.district' and 'address.city' in the thymeleaf, you will get it

CodePudding user response：

This is regarding boilerplate code. you could add @Data to the class coming from Lombok library.

If you are not using lombok add setter and getter

public String getDistrict() {
   return district;
}

public void setDistrict(String district) {
   this.district= district;
}