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There was an unexpected error (type=Internal Server Error, status=500). class java.lang.String cannot be cast to class com.app.inventory.model.Product

Hello comunity I need your help with a problem in my proyect, i need to add details in the database at the same time, I have been researching how to do, I found the solution is using a iterator or a bucle for, When I use the bucle obvious I need to use arrays, I did it, But I have a object, i did the conversion (cast), but when i add the details at the web i can't because appears this error
Basically the error is the program can't cast a String to Object(Class)
There was an unexpected error (type=Internal Server Error, status=500).
class java.lang.String cannot be cast to class com.app.inventory.model.Product (java.lang.String is in module java.base of loader 'bootstrap'; com.app.inventory.model.Product is in unnamed module of loader
org.springframework.boot.devtools.restart.classloader.RestartClassLoader #6817e14)
java.lang.ClassCastException: class java.lang.String cannot be cast to class com.app.inventory.model.Product (java.lang.String is in module java.base of loader 'bootstrap'; com.app.inventory.model.Product is in unnamed module of loader org.springframework.boot.devtools.restart.classloader.RestartClassLoader #6817e14)
Model
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id_orden_compra;
#Temporal(TemporalType.DATE)
#DateTimeFormat(pattern = "yyyy-MM-dd")
private Date Fecha;
#Column(name="SubTotal",length=40)
private int SubTot;
#Column(name="Total",length=40)
private int Total;
#ManyToOne
#JoinColumn(name="id_Supplier_fk", referencedColumnName = "id_Proveedor")
private Supplier id_Supplier_fk;
#OneToMany(mappedBy = "id_PurchaseOrder_fk", cascade = CascadeType.ALL)
private List<Detalle_OrderCompra> detalles = new ArrayList<>();
public long getId_orden_compra() {
return id_orden_compra;
}
public void setId_orden_compra(Long id_orden_compra) {
this.id_orden_compra = id_orden_compra;
}
public Date getFecha() {
return Fecha;
}
public void setFecha(Date fecha) {
Fecha = fecha;
}
public Supplier getId_Supplier_fk() {
return id_Supplier_fk;
}
public int getSubTot() {
return SubTot;
}
public void setSubTot(int subTot) {
SubTot = subTot;
}
public int getTotal() {
return Total;
}
public void setTotal(int total) {
Total = total;
}
public void setId_Supplier_fk(Supplier id_Supplier_fk) {
this.id_Supplier_fk = id_Supplier_fk;
}
public Purchaseorder(Long id_orden_compra, Date fecha, int subTot, int total, Supplier id_Supplier_fk) {
super();
this.id_orden_compra = id_orden_compra;
Fecha = fecha;
SubTot = subTot;
Total = total;
this.id_Supplier_fk = id_Supplier_fk;
}
public Purchaseorder(Date fecha, int subTot, int total, Supplier id_Supplier_fk) {
super();
Fecha = fecha;
SubTot = subTot;
Total = total;
this.id_Supplier_fk = id_Supplier_fk;
}
public Purchaseorder(Date fecha) {
super();
Fecha = fecha;
}
public Purchaseorder() {
super();
}
//With this constructor I add the details in the database
public void añadirDetalles(int can, Product id_prod_fk){
this.detalles.add(new Detalle_OrderCompra(can, id_prod_fk ,this));
}
public List<Detalle_OrderCompra> getDetalles() {
return detalles;
}
public void setDetalles(List<Detalle_OrderCompra> detalles) {
this.detalles = detalles;
}
public void SetDetalle(long id_Detalle_OrderCompra,int can, Product id_prod_fk) {
this.detalles.add(new Detalle_OrderCompra(id_Detalle_OrderCompra,can, id_prod_fk, this));
}
}
Model
#Entity
#Table(name = "Detalle_OrdenCompra")
public class Detalle_OrderCompra implements Serializable{
private static final long serialVersionUID = 1L;
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private long id_Detalle_OrderCompra;
#Column(name="Cantidad",length=40)
private int Can;
#ManyToOne
#JoinColumn(name="id_prod_fk", referencedColumnName = "id_prod")
private Product id_prod_fk;
#ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
#JoinColumn(name="id_PurchaseOrder_fk", referencedColumnName = "id_orden_compra")
private Purchaseorder id_PurchaseOrder_fk;
public long getId_Detalle_OrderCompra() {
return id_Detalle_OrderCompra;
}
public void setId_Detalle_OrderCompra(long id_Detalle_OrderCompra) {
this.id_Detalle_OrderCompra = id_Detalle_OrderCompra;
}
public int getCan() {
return Can;
}
public void setCan(int can) {
Can = can;
}
public Product getId_prod_fk() {
return id_prod_fk;
}
public void setId_prod_fk(Product id_prod_fk) {
this.id_prod_fk = id_prod_fk;
}
public Purchaseorder getId_PurchaseOrder_fk() {
return id_PurchaseOrder_fk;
}
public void setId_PurchaseOrder_fk(Purchaseorder id_PurchaseOrder_fk) {
this.id_PurchaseOrder_fk = id_PurchaseOrder_fk;
}
public Detalle_OrderCompra(long id_Detalle_OrderCompra, int can, Product id_prod_fk,
Purchaseorder id_PurchaseOrder_fk) {
super();
this.id_Detalle_OrderCompra = id_Detalle_OrderCompra;
Can = can;
this.id_prod_fk = id_prod_fk;
this.id_PurchaseOrder_fk = id_PurchaseOrder_fk;
}
public Detalle_OrderCompra(int can, Product id_prod_fk, Purchaseorder id_PurchaseOrder_fk) {
super();
Can = can;
this.id_prod_fk = id_prod_fk;
this.id_PurchaseOrder_fk = id_PurchaseOrder_fk;
}
public Detalle_OrderCompra() {
super();
}
}
I'm not Using the service because is not nessesary
Controller
#Controller
public class PurchaseorderController {
#Autowired
PurchaseorderDao purorderdao;
#Autowired
PurchaseorderRepository purorrepo;
#Autowired
SupplierDao supdao;
#Autowired
ProductDao prodao;
#Autowired
Detalle_OrderCompraRepository detOrrepo;
#RequestMapping({ "/PurchaseOrderWEB", "/" })
public String ListUser(Model modelo) {
modelo.addAttribute("Purchase", purorderdao.EncontrarPurchase());
List<Supplier> lstSupplier = supdao.EncontrarSupplier();
modelo.addAttribute("Supplier", lstSupplier);
List<Product> lstProduct = prodao.EncontrarProduct();
modelo.addAttribute("Product", lstProduct);
List<Detalle_OrderCompra> lstdetalle = detOrrepo.findAll();
modelo.addAttribute("Detalle_OrdenCompra", lstdetalle);
return "PurchaseOrderWEB";
}
#PostMapping({ "/Purchasecrear" })
public String createDet(Purchaseorder purchaseorder, HttpServletRequest request) {
String[] DetallesIDs = request.getParameterValues("detallesIDs");
String[] DetallesCan = request.getParameterValues("detallesCan");
Object[] DetallesProd = request.getParameterValues("detallesProd");
//With this bucle for i add the Details
for (int i = 0; i < DetallesCan.length; i++) {
if (DetallesIDs != null && DetallesIDs.length > 0) {
purchaseorder.SetDetalle(Long.valueOf(DetallesIDs[i]), Integer.valueOf(DetallesCan[i]),
(Product) (DetallesProd[i]));
} else {
purchaseorder.añadirDetalles(Integer.parseInt(DetallesCan[i]),
(Product) (DetallesProd[i]));
}
}
purorrepo.save(purchaseorder);
return "redirect:/";
}
}
HTML
<head>
<meta charset="utf-8">
<title>Crud Purchase Order</title>
<link rel="stylesheet" th:href="#{/css/bootstrap.min.css}" />
<link rel="stylesheet" th:href="#{/css/StylesUS.css}" />
<script src="https://code.jquery.com/jquery-3.6.1.js"
integrity="sha256-3zlB5s2uwoUzrXK3BT7AX3FyvojsraNFxCc2vC/7pNI="
crossorigin="anonymous"></script>
<script
src="https://cdn.jsdelivr.net/npm/popper.js#1.16.0/dist/umd/popper.min.js"
integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo"
crossorigin="anonymous"></script>
<script
src="https://cdn.jsdelivr.net/npm/bootstrap#4.4.1/dist/js/bootstrap.min.js"
integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6"
crossorigin="anonymous"></script>
<script type="text/javascript" src="../static/js/UpdateProduct.js"
th:src="#{/js/UpdateProduct.js}"></script>
</head>
<body>
<a><button class="ov-btn-grow-box"
onclick="document.getElementById('id01').style.display='block'">Crear</button></a>
<a class="ov-btn-slide-close" th:href="#{/}">Regresar</a>
<div id="id01" class="modal">
<span onclick="document.getElementById('id01').style.display='none'"
class="close" title="Close Modal">×</span>
<div class="container">
<div class="row">
<div class="col-lg-6 col-md-6 col-sm-6 container justify-content-center card">
<center>
<h1>Registro de Ordenes de compra</h1>
</center>
<div class="ard-body">
<form th:action="#{/Purchasecrear}" method="post">
<div class="form-row row">
<div class="col-md-6">
<div class="form-group">
<label>Fecha:</label><br> <input type="date" name="Fecha"><br>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label>Subtotal:</label><br> <input type="text"
placeholder="Ingrese nombre producto" name="Subtotal"><br>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label>Total:</label><br> <input type="number"
placeholder="Ingrese precio compra" name="Total"><br>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label>Proveedores:</label> <select class="form-select"
name="id_Supplier_fk">
<th:block th:each="sup : ${Supplier}">
<option th:text="${sup.nom}" th:value="${sup.id_Proveedor}"></option>
</th:block>
</select>
</div>
</div>
<!-- Agregamos Los Detaless -->
<div class="form-group row">
<label class="col-form-label col-sm-4">Detalles #1 : </label>
<h4>Cantidad</h4>
<div class="col-sm-4">
<input type="text" name="detallesCan" class="form-control"
placeholder="Nombre" required>
</div>
<h4>Producto</h4>
<select class="form-select" name="detallesProd" id="id_prod_fk">
<th:block th:each="prod : ${Product}">
<option th:text="${prod.nom}" th:value="${prod.id_prod}"></option>
</th:block>
</select>
</div>
<div class="form-group row">
<label class="col-form-label col-sm-4">Detalles #2 : </label>
<h4>Cantidad</h4>
<div class="col-sm-4">
<input type="text" name="detallesCan" class="form-control"
placeholder="Nombre" required>
</div>
<h4>Producto</h4>
<select class="form-select" name="detallesProd" id="id_prod_fk">
<th:block th:each="prod : ${Product}">
<option th:text="${prod.nom}" th:value="${prod.id_prod}"></option>
</th:block>
</select>
</div>
<div class="form-group row">
<label class="col-form-label col-sm-4">Detalles #3 : </label>
<h4>Cantidad</h4>
<div class="col-sm-4">
<input type="text" name="detallesCan" class="form-control"
placeholder="Nombre" required>
</div>
<h4>Producto</h4>
<select class="form-select" name="detallesProd" id="id_prod_fk">
<th:block th:each="prod : ${Product}">
<option th:text="${prod.nom}" th:value="${prod.id_prod}"></option>
</th:block>
</select>
</div>
<div class="container">
<button type="submit" class="ov-btn-slide-left">Guardar</button>
<br> <br>
<button type="button" onclick="document.getElementById('id01').style.display='none'" class="o-btn-slide-left">Cancelar</button>
</div>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
I'm using Spring Tool Suite
I just need to fill two tables and add many details at the same time
I fill the form, but It doesn't add the details, i don't know what happend, please if you don't understnad please contact me

Thymeleaf can't bind zoneddatetime to input field

Here is my form
<form th:action="#{/pages/org/create}" th:object="${org}" method="post" id="createOrgForm">
<div class="row">
<div class="form-group col-sm-12">
<label for="name">Name</label> <input class="form-control" id="name" type="text" th:field="*{name}" />
</div>
</div>
<div class="row">
<div class="form-group col-sm-12">
<label for="uuid">Uuid</label> <input class="form-control" id="uuid" type="text" th:field="*{uuid}" />
</div>
</div>
<div class="row">
<div class="form-group col-sm-12">
<label for="expiryDate">Expiry Date</label>
<input class="form-control" id="expiryDate" type="date" name="expiryDate" th:value="${#temporals.format(org.expiryDate, 'dd/MMM/yyyy HH:mm', 'en')}"/>/>
</div>
</div>
</form>
The object has name and uuid which are strings
It also has an expiryDate which is a zonedDateTime
I want to return expiryDate as a zoneddatetime but I can't find any examples of this
Any one Know how to do this?
If anymore details are needed let me know
I have this error
There was an unexpected error (type=Bad Request, status=400).
Validation failed for object='org'. Error count: 1
because org.expiryDate is a string and its expecting a zoneddatetime
public class OrganizationDto extends TemporallyScopedEntityFlatDto {
private static final long serialVersionUID = -2191341305487098272L;
public static OrganizationDto fromEntity(final Organization o) {
if (o == null) {
return null;
}
final OrganizationDto dto = new OrganizationDto();
DtoUtil.copyVersioned(o, dto);
DtoUtil.copyTemporallyScoped(o, dto);
dto.setName(o.getName());
dto.setUuid(o.getUuid());
return dto;
}
#ApiModelProperty(value = "The display name of this organization.")
private String name;
#ApiModelProperty(value = "The unique identifier of this organization.")
private String uuid;
private ZonedDateTime expiryDate;
public String getName() {
return name;
}
public String getUuid() {
return uuid;
}
public void setName(final String name) {
this.name = name;
}
public void setUuid(final String uuid) {
this.uuid = uuid;
}
}

java.sql.SQLIntegrityConstraintViolationException: Cannot add or update a child row: a foreign key constraint fails

I am a beginner in spring mvc and was struck with a error but not able to resolve.can someone please help with the code.
JSP Page where we enter values for speaker details stored in database
<form class="form-horizontal bucket-form" id="myform" method="post"
action="spkr">
<div class="control-label text-center">
<p class="required"><em>required fields</em></p></div>
<div class="form-group">
<label class="col-sm-3 control-label required">First
Name</label>
<div class="col-sm-6">
<input type="text" name="firstname" id="firstname" class="form-control">
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label required">Last Name</label>
<div class="col-sm-6">
<input type="text" name="lastname" id="lastname" class="form-control">
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label required">DOB</label>
<div class="col-sm-3">
<input type="text" class="form-control" id="focusedInput" name="dob" type="text" value="">
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label required">Gender</label>
<span style="padding-left:15px">
<label class="radio-inline">
<input type="radio" name="gender" id="gender" >
Male
</label>
<label class="radio-inline">
<input type="radio" name="gender" id="gender" >
Female
</label>
</span>
</div>
<div class="form-group">
<label class="col-sm-3 control-label required">Email id</label>
<div class="col-sm-6">
<input type="email" class="form-control" placeholder="" name="mail" id="mail" >
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label required">Profession</label>
<div class="col-sm-6">
<input type="text" class="form-control" placeholder="" name="prof" id="prof" >
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label ">Organisation</label>
<div class="col-sm-6">
<input type="text" name="org" id="org" class="form-control" placeholder="eg:Tech Mahindra">
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label ">Experience</label>
<div class="col-sm-6">
<input type="number" class="form-control" min="0" name="exp" id="exp" placeholder="">
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label required">Achievements</label>
<div class="col-sm-6">
<textarea class="form-control" rows="5" name="ach" id="ach" placeholder=""></textarea>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label required">Event ID</label>
<div class="col-sm-3">
<input type="number" class="form-control" name="eid" id="eid" >
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label">Upload image</label>
<div class="col-sm-6">
<input type="file" class="form-control" id="forImage" accept="image/*">
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-3 col-lg-6">
<button class="btn btn-primary" id="speakerSubmit" type="submit">Save</button>
<button type="reset" class="btn btn" onClick="myFunction()">Reset</button>
<script type="text/javascript">
function myFunction() {
document.getElementById("myform").reset();
}
</script>
</div>
</div>
</form>
POJO CLASS
package com.ems.DO;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToOne;
import javax.persistence.Table;
#Entity
#Table(name="ems_spkr_tbl")
public class Speaker {
#Id
#GeneratedValue(strategy=GenerationType.IDENTITY)
#Column(name="SPKR_ID",nullable=false)
private int speakerId;
#Column(name="FNAME")
private String firstname;
#Column(name="LNAME")
private String lastname;
#Column(name="GENDER")
private String gender;
/*private String DOB;*/
#Column(name="SPKR_MAILID")
private String mail;
#Column(name="PROFESSION")
private String prof;
#Column(name="ORGN")
private String org;
#Column(name="EXP")
private String exp;
#Column(name="ACHIEVMNTS")
private String ach;
#Column(name="SPKR_EVNT_ID")
private int eid;
public Speaker(){
}
public Speaker(int speakerId, String firstname, String lastname, String
gender, String mail, String prof,String org, String exp, String ach,
int eid) {
super();
this.speakerId = speakerId;
this.firstname= firstname;
this.lastname = lastname;
this.gender = gender;
this.mail = mail;
this.prof = prof;
this.org = org;
this.exp = exp;
this.ach = ach;
this.eid = eid;
}
public int getSpeakerId() {
return speakerId;
}
public void setSpeakerId(int speakerId) {
this.speakerId = speakerId;
}
public String getFirstname() {
return firstname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
public String getLastname() {
return lastname;
}
public void setLastname(String lastname) {
this.lastname = lastname;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
public String getMail() {
return mail;
}
public void setMail(String mail) {
this.mail = mail;
}
public String getProf() {
return prof;
}
public void setProf(String prof) {
this.prof = prof;
}
public String getOrg() {
return org;
}
public void setOrg(String org) {
this.org = org;
}
public String getExp() {
return exp;
}
public void setExp(String exp) {
this.exp = exp;
}
public String getAch() {
return ach;
}
public void setAch(String ach) {
this.ach = ach;
}
public int getEid() {
return eid;
}
public void setEid(int eid) {
this.eid = eid;
}
}
SpeakerService
package com.ems.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.ems.DO.Speaker;
import com.ems.dao.SpeakerDao;
#Repository
public class SpeakerServiceImpl implements SpeakerService{
#Autowired
SpeakerDao speakerDao;
public SpeakerServiceImpl() {
super();
// TODO Auto-generated constructor stub
}
public boolean add(Speaker s) {
boolean status=speakerDao.add(s);
return status;
}
}
SpeakerDaoClass
package com.ems.dao;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.hibernate.cfg.Configuration;
import com.ems.DO.Speaker;
#Repository
public class SpeakerDaoImpl implements SpeakerDao{
#Autowired
private SessionFactory sessionFactory;
public SpeakerDaoImpl(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
public boolean add(Speaker s) {
Session session = sessionFactory.getSessionFactory().openSession();
session.save(s);
System.out.println("one record inserted");
return true;
}
}
ERROR RESULT
java.sql.SQLIntegrityConstraintViolationException: Cannot add or
update a child row: a foreign key constraint fails
(emsdataschema.ems_spkr_tbl, CONSTRAINT SPKR_EVNT_ID FOREIGN KEY
(SPKR_EVNT_ID) REFERENCES ems_evnt_tbl_ai (EVNT_ID) ON DELETE
CASCADE ON UPDATE CASCADE)
I entered refered values only but it is giving an exception
:-(
kindly check with the code and suggest the possible solution.
Thanks in advance

Looks like eid is not specified or referenced non existing ID. Check it's not empty and contains ID which exists in the ems_evnt_tbl_ai table.
Could be even better to define Event entity and set proper relation.

Validation failed for object='auctionItem'

When trying to submit my form to create a new auction this error appears in the browser:
Whitelabel Error Page:
This application has no explicit mapping for /error, so you are seeing
this as a fallback.
Thu Mar 30 21:00:15 BST 2017
There was an unexpected error (type=Bad Request, status=400)
Validation failed for object='auctionItem'. Error count: 2
I can't seem to find any specific errors within my log, so I am having trouble finding the two validation errors show on the error page. I am pretty lost at this point. Hopefully someone can help me out, its preventing me from making progress at the moment.
JSP File:
<body id="product" class="product">
<header>
<%#include file="../jsp/Header.jsp" %>
</header>
<div>
<div class="container">
<div class ="row">
<div class="center_column">
<h2 style=" ">Create New Listing</h2>
<mvc:form class="form-inline" action="sell" method="post" modelAttribute="newAuction" id="addNewAuc">
<div class="form-inline" cssClass="TitleBlock">
<label class="control-label">Title</label>
<div>
<mvc:input path="aTitle" type="text" required="true" cssClass="Title" class="form-control" placeholder="Please enter title of item" maxlength="55" minlength="40"/>
</div>
</div>
<div class="form-group ">
<label class="control-label">Item Condition</label>
<div style="padding-top: 4px;">
<mvc:select path="aCondition">
<mvc:option value="New">New</mvc:option>
<mvc:option value="Used">Used</mvc:option>
</mvc:select>
</div>
</div>
<div class="form-group ">
<label class="control-label" style = "padding-left: 15px;">Can the item be returned?</label>
<div style="padding-top: 4px; padding-left: 15px;">
<mvc:select path="aReturns">
<mvc:option value="You can return">Yes</mvc:option>
<mvc:option value="Seller does not offer returns">No</mvc:option>
</mvc:select>
</div>
</div>
<div class="form-inline">
<label class="control-label">Description</label>
<div>
<mvc:textarea path="aDescription" required="true" cssClass="Desc" class="form-control" rows="3" name="Description" placeholder="Item description"/>
</div>
</div>
<div class="form-inline">
<label class="control-label">Category</label>
<div style="padding-top: 4px;">
<mvc:select path="categories">
<mvc:option value="category1">Electronics</mvc:option>
<mvc:option value="category2">Fashion</mvc:option>
<mvc:option value="category3">Home & Gardens</mvc:option>
<mvc:option value="category4">Toys & Games</mvc:option>
<mvc:option value="category5">Sports & Leisure</mvc:option>
</mvc:select>
</div>
</div>
<div class="form-inline">
<label class="control-label ">Minimum Price</label>
<div style="padding-top: 4px;">
<mvc:input path="aBottomPrice" type="number" step="any" required="true" class="form-control" placeholder="?"/>
</div>
</div>
<div class="form-inline">
<label class="control-label ">Starting Price</label>
<div style="padding-top: 4px;">
<mvc:input path="aTopPrice" type="number" step="any" required="true" class="form-control" placeholder="?"/>
</div>
</div>
<div class="form-inline">
<label class="control-label">End of listing</label>
<div style="padding-top: 4px;">
<mvc:input path="aEnd" type="text" id="datetimepicker" required="true" class="form-control" placeholder="YYYY-MM-DD"/>
</div>
</div>
</mvc:form>
<div class="form-inline">
<div style="padding-top: 10px;">
<button type="submit" name="submit" class="btn btn-success" form="addNewAuc">Next</button>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
AuctionItem Class
#Entity
#Table(name = "auction_items")
public class AuctionItem {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private int idauction;
#Column(name = "auctionTitle")
private String aTitle;
#Column(name = "auctionDescription")
private String aDescription;
#Column(name = "auctionStatus")
private String aStatus;
#Column(name = "auctionStart")
private Date aStart;
#Column(name = "auctionEnd")
private Date aEnd;
private String endTimeAsString;
#Column(name = "auctionCondition")
private String aCondition;
#Column(name = "auctionTopPrice")
private double aTopPrice;
#Column(name = "auctionBottomPrice")
private double aBottomPrice;
private long auctionDuration;
private String aReturns;
#ManyToOne
#JoinColumn(name = "owner")
private User owner;
#ManyToOne
#JoinColumn(name = "cId")
private Category categories;
public long getAuctionDuration() {
return auctionDuration;
}
public void setAuctionDuration(long auctionDuration) {
this.auctionDuration = auctionDuration;
}
public int getaID() {
return idauction;
}
public void setaID(int idauction) {
this.idauction = idauction;
}
public String getaTitle() {
return aTitle;
}
public void setaTitle(String aTitle) {
this.aTitle = aTitle;
}
public String getaDescription() {
return aDescription;
}
public void setaDescription(String aDescription) {
this.aDescription = aDescription;
}
public String getaStatus() {
return aStatus;
}
public void setaStatus(String aStatus) {
this.aStatus = aStatus;
}
public Date getaStart() {
return aStart;
}
public void setaStart(Date aStart) {
this.aStart = aStart;
}
public Date getaEnd() {
return aEnd;
}
public void setaEnd(Date aEnd) {
this.aEnd = aEnd;
}
public String getaCondition() {
return aCondition;
}
public void setaCondition(String aCondition) {
this.aCondition = aCondition;
}
public double getaTopPrice() {
return aTopPrice;
}
public void setaTopPrice(double aTopPrice) {
this.aTopPrice = aTopPrice;
}
public double getaBottomPrice() {
return aBottomPrice;
}
public void setaBottomPrice(double aBottomPrice) {
this.aBottomPrice = aBottomPrice;
}
public User getOwner() {
return owner;
}
public void setOwner(User owner) {
this.owner = owner;
}
public String getaReturns() {
return aReturns;
}
public void setaReturns(String aReturns) {
this.aReturns = aReturns;
}
public Category getCategories() {
return categories;
}
public void setCategories(Category categories) {
this.categories = categories;
}
public String getEndTimeAsString() {
return endTimeAsString;
}
public void setEndTimeAsString(String EndTimeAsString) {
this.endTimeAsString = EndTimeAsString;
}
}

Maybe you missed " BindingResult " in Controller.
Example:
import org.springframework.validation.BindingResult;
#RequestMapping(value = "/registration", method = RequestMethod.POST)
public String registration(
#ModelAttribute("userlogin") #Valid LoginProfile userlogin,
BindingResult userloginResult)

Spring MVC view & update

I'm trying to update data from Spring MVC's view. I could update data using tester object but failed when trying update from Spring MVC's view. POST request from view has no problem key/value were posting to server. It updated my table data but with null value (unless for id field).
Please help and thank you.
My Table (tx_surveyrequest)
CREATE TABLE tx_surveyrequest
(
id uuid NOT NULL,
id_person uuid,
id_surveyrequeststatus uuid,
id_validationstatus uuid,
id_employee_assistantgis uuid,
formcode character varying(64),
b_north character varying(32),
b_east character varying(32),
b_south character varying(32),
b_west character varying(32),
hectarage numeric(10,2),
is_priority boolean DEFAULT false,
requestdate date,
surveyplandate date,
surveyplantime time without time zone,
requestedby character varying(32),
requestedprice numeric(14,2),
CONSTRAINT pk_tx_surveyrequest PRIMARY KEY (id)
)
My domain object (SurveyRequest)
#Entity
#Table(name = "tx_surveyrequest")
public class SurveyRequest implements Serializable {
private UUID id;
private Person person;
private String formCode;
private String borderNorth;
private String borderEast;
private String borderSouth;
private String borderWest;
private Double hectarage;
private Boolean priority;
private DateTime requestDate;
private DateTime surveyPlanDate;
private LocalTime surveyPlanTime;
private String requestedBy;
private Double requestedPrice;
#Id
#GeneratedValue(strategy = IDENTITY)
#Column(name = "id")
#Type(type="pg-uuid")
public UUID getId() {
return id;
}
public void setId(UUID id) {
this.id = id;
}
#Column(name = "hectarage")
public Double getHectarage(){
return hectarage;
}
public void setHectarage(Double hectarage){
this.hectarage = hectarage;
}
#Column(name = "formcode")
public String getFormCode() {
return formCode;
}
public void setFormCode(String formCode) {
this.formCode = formCode;
}
#Column(name="is_priority")
public Boolean getPriority() {
return priority;
}
public void setPriority(Boolean priority) {
this.priority = priority;
}
#Column(name="b_north")
public String getBorderNorth() {
return borderNorth;
}
public void setBorderNorth(String border) {
this.borderNorth = border;
}
#Column(name="b_east")
public String getBorderEast() {
return borderEast;
}
public void setBorderEast(String border) {
this.borderEast = border;
}
#Column(name="b_south")
public String getBorderSouth() {
return borderSouth;
}
public void setBorderSouth(String border) {
this.borderSouth = border;
}
#Column(name="b_west")
public String getBorderWest() {
return borderWest;
}
public void setBorderWest(String border) {
this.borderWest = border;
}
// TODO replace pattern with i18n
#Type(type = "org.joda.time.contrib.hibernate.PersistentDateTime")
#DateTimeFormat(pattern = "dd/MM/yyyy")
#Column(name = "requestdate")
public DateTime getRequestDate() {
return requestDate;
}
public void setRequestDate(DateTime requestDate) {
this.requestDate = requestDate;
}
// TODO replace pattern with i18n
#Type(type = "org.joda.time.contrib.hibernate.PersistentDateTime")
#DateTimeFormat(pattern = "dd/MM/yyyy")
#Column(name = "surveyplandate")
public DateTime getSurveyPlanDate() {
return surveyPlanDate;
}
public void setSurveyPlanDate(DateTime surveyPlanDate) {
this.surveyPlanDate = surveyPlanDate;
}
// TODO replace pattern with i18n
#Type(type = "org.joda.time.contrib.hibernate.PersistentLocalTimeAsTime")
#DateTimeFormat(pattern = "HH:mm")
#Column(name = "surveyplantime")
public LocalTime getSurveyPlanTime() {
return surveyPlanTime;
}
public void setSurveyPlanTime(LocalTime surveyPlanTime) {
this.surveyPlanTime = surveyPlanTime;
}
Update success using SurveyRequestUpdate
public class SurveyRequestUpdate {
public static void main(String[] args) {
GenericXmlApplicationContext ctx = new GenericXmlApplicationContext();
ctx.load("classpath:spring-data-app-context.xml");
ctx.load("classpath:datasource.xml");
ctx.refresh();
SurveyRequestService surveyRequestService = ctx.getBean(
"springJpaSurveyRequestService",SurveyRequestService.class);
UUID uid = UUID.fromString("0cd02976-1864-447b-b540-39d6e7ee3703");
SurveyRequest request = surveyRequestService.findById(uid);
System.out.println("Find by ID");
System.out.println(request);
request.setSurveyPlanDate (new DateTime(2014,7,1,0,0));
request.setSurveyPlanTime (new LocalTime(22,0));
surveyRequestService.save(request);
System.out.println(request);
}
Update Form View
<jsp:directive.page contentType="text/html;charset=UTF-8" />
<jsp:output omit-xml-declaration="yes" />
<spring:message code="l_surveyrequest_list" var="labelSurveyRequestList" />
<spring:message code="l_surveyrequest_title" var="labelSurveyRequestTitle" />
<spring:message code="l_surveyrequest_code" var="labelSurveyRequestCode" />
<spring:message code="l_surveyrequest_requestdate" var="labelSurveyRequestRequestDate" />
<spring:message code="l_surveyrequest_surveydate" var="labelSurveyRequestSurveyDate" />
<spring:message code="l_surveyrequest_surveytime" var="labelSurveyRequestSurveyTime" />
<spring:message code="l_surveyrequest_priority" var="labelSurveyRequestPriority" />
<spring:message code="l_surveyrequest_complete" var="labelSurveyRequestComplete" />
<spring:message code="l_surveyrequest_hectarage" var="labelSurveyRequestHectarage" />
<spring:message code="l_surveyrequest_north" var="labelSurveyRequestNorth" />
<spring:message code="l_surveyrequest_east" var="labelSurveyRequestEast" />
<spring:message code="l_surveyrequest_south" var="labelSurveyRequestSouth" />
<spring:message code="l_surveyrequest_west" var="labelSurveyRequestWest" />
<spring:message code="form_new" var="formNew" />
<spring:message code="form_edit" var="formEdit" />
<spring:message code="btn_save" var="buttonSave" />
<spring:message code="btn_cancel" var="buttonCancel" />
<spring:message code="long_date_format_pattern" var="formatDate" />
<spring:message code="time_format_pattern" var="formatDateTime" />
<spring:message code="short_time_format_pattern" var="formatShortTime" />
<spring:url value="/surveyrequest" var="showSurveyRequestUrl" />
<spring:eval expression="surveyRequest.id == null ? formNew:formEdit" var="formTitle"/>
<div class="row">
<div class="col-md-12">
<h1>${formTitle} ${labelSurveyRequestTitle}</h1>
</div>
</div>
<!-- /top action bar -->
<div class="row">
<div class="col-md-12">
<c:if test="${not empty surveyRequest}">
<form:form class="form-horizontal"
modelAttribute="surveyRequest" commandName="surveyRequest" method="post" enctype="multipart/form-data">
<div class="row">
<div class="col-md-12">
<button type="submit" class="btn btn-primary">${buttonSave}</button>
<button type="reset" class="btn btn-primary">${buttonCancel}</button>
</div>
</div>
<c:if test="${not empty message}">
<div id="message" class="${message.type}">${message.message}</div>
</c:if>
<div class="form-group">
<label class="col-md-3 control-label">${labelSurveyRequestCode}</label>
<div class="col-md-3">
<form:input type="text" class="form-control" path="formCode" />
</div>
</div>
<div class="form-group">
<label class="col-md-3 control-label">${labelSurveyRequestRequestDate}</label>
<div class='col-md-3 input-group date datepicker'>
<form:input type='text' class="form-control" path="requestDate" />
<span class="input-group-addon"><span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
</div>
<div class="form-group">
<label class="col-md-3 control-label">${labelSurveyRequestSurveyDate}</label>
<div class='col-md-3 input-group date datepicker'>
<form:input type='text' class="form-control" path="surveyPlanDate" />
<span class="input-group-addon"><span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
</div>
<div class="form-group">
<form:label class="col-md-3 control-label"
path="surveyPlanTime">${labelSurveyRequestSurveyTime}</form:label>
<div class='col-md-3 input-group date timepicker'>
<form:input type='text' class="form-control" path="surveyPlanTime" />
<span class="input-group-addon"><span class="glyphicon glyphicon-time"></span>
</span>
</div>
</div>
<div class="form-group">
<label class="col-md-3 control-label">${labelSurveyRequestHectarage}</label>
<div class="col-md-3">
<form:input type="text" class="form-control" path="hectarage" />
</div>
</div>
<div class="form-group">
<p class="col-md-3"></p>
<div class="col-md-9">
<c:choose>
<c:when test="${surveyRequest.priority == true}">
${labelSurveyRequestPriority}
</c:when>
</c:choose>
</div>
</div>
<div class="form-group">
<p class="col-md-3"></p>
<div class="col-md-9">
<table class="table">
<thead>
<tr>
<th>${labelSurveyRequestNorth}</th>
<th>${labelSurveyRequestEast}</th>
<th>${labelSurveyRequestSouth}</th>
<th>${labelSurveyRequestWest}</th>
</tr>
</thead>
<tbody>
<tr>
<td>${surveyRequest.borderNorth}</td>
<td>${surveyRequest.borderEast}</td>
<td>${surveyRequest.borderSouth}</td>
<td>${surveyRequest.borderWest}</td>
</tr>
</tbody>
</table>
</div>
</div>
</form:form>
</c:if>
</div>
</div>
<script type="text/javascript">
$(function () {
$('.datepicker').datetimepicker({
pickTime: false,
language: 'id',
});
$('.timepicker').datetimepicker({
pickDate: false,
minuteStepping:15,
useSeconds: false,
language: 'id'
});
});
</script>
</div>
My Controller
#RequestMapping("/surveyrequest")
#Controller
public class SurveyRequestController {
private static final int PAGE_SIZE = 10;
private static final Logger logger = LoggerFactory
.getLogger(SurveyRequestController.class);
#Autowired
MessageSource messageSource;
#Autowired
private SurveyRequestService surveyRequestService;
// Others code omitted
#RequestMapping(value="/{id}", method = RequestMethod.GET)
public String show(#PathVariable("id") UUID id, Model model) {
SurveyRequest request = surveyRequestService.findById(id);
model.addAttribute("surveyRequest", request);
return "surveyrequest/show";
}
/*
* Edit a survey request
*/
#RequestMapping(value="/{id}", params="form", method = RequestMethod.GET)
public String updateForm(#PathVariable("id") UUID id, Model model) {
SurveyRequest request = surveyRequestService.findById(id);
model.addAttribute("surveyRequest", request);
return "surveyrequest/edit";
}
/*
* Update a survey request
*/
#RequestMapping(value = "/{id}", params = "form", method = RequestMethod.POST)
public String update(SurveyRequest surveyRequest, BindingResult bindingResult, Model uiModel,
HttpServletRequest httpServletRequest, RedirectAttributes redirectAttributes, Locale locale) {
if (bindingResult.hasErrors()) {
uiModel.addAttribute("message", new Message("error", messageSource.getMessage("surveyrequest_save_fail", new Object[]{}, locale)));
uiModel.addAttribute("surveyRequest", surveyRequest);
return "surveyrequest/update";
}
uiModel.asMap().clear();
redirectAttributes.addFlashAttribute("message", new Message("success", messageSource.getMessage("surveyrequest_save_success", new Object[]{}, locale)));
logger.info("Before paste: " + surveyRequest);
surveyRequestService.save(surveyRequest);
return "redirect:/surveyrequest/" + UrlUtil.encodeUrlPathSegment(surveyRequest.getId().toString(), httpServletRequest);
}
Updated:
I could resolve the problem with removing enctype="multipart/form-data" at edit.jspx. But it raised another issue, how if I'm going to upload file?

Add #ModelAttribute annotation to your model object parameter in the controller method that you're calling, so that Spring knows that's the object that you want to bind the form data to.
/*
* Update a survey request
*/
#RequestMapping(value = "/{id}", params = "form", method = RequestMethod.POST)
public String update(#ModelAttribute("surveyRequest") SurveyRequest surveyRequest,
BindingResult bindingResult, Model uiModel,
HttpServletRequest httpServletRequest,
RedirectAttributes redirectAttributes, Locale locale) {
[...]
}