Salut les gars ;
j`ai un problème au niveau de l`ajout d`un enregistrement dans la base de données. j`utilise Spring ,Spring MVC et hibernate. mon problème est que j`ai plusieurs tables dépendantes dans ma base de données , ce qui implique lors de la génération de code avec hibernate , j`aurais plusieurs Collections et dans ce cas un grand problème , j`arrive pas a faire la référence dans ma jsp , c`est a dire : Par exemple j`ai une Table employees qui contient plusieurs champs (id_employees ,firstname, lastname,... et un champs manger_id qui va referencer sur id_employees)
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public class Employees implements java.io.Serializable {
 
	/**
         * 
         */
	public static final long serialVersionUID = 1L;
	public Integer idemployees;
	public Employees employees;
	public String firstame;
	public String lastname;
	public String mail;
	public String function;
	public String sheet;
	public Integer rib;
	public String maritalStatus;
	public Integer numberOfChildren;
	public String password;
	public Byte enabled;
	public String username;
	public Set<Adressemployees> adressemployeeses = new HashSet<Adressemployees>(
			0);
	public Set<Vacation> vacations = new HashSet<Vacation>(0);
	public Set<Trainee> trainees = new HashSet<Trainee>(0);
	public Set<Phoneemployees> phoneemployeeses = new HashSet<Phoneemployees>(
			0);
	public Set<Rules> ruleses = new HashSet<Rules>(0);
	public Set<Salary> salaries = new HashSet<Salary>(0);
	public Set<Cv> cvs = new HashSet<Cv>(0);
	public Set<Employees> employeeses = new HashSet<Employees>(0);
 
	public Employees() {
	}
 
	public Employees(String firstame, String lastname, String mail,
			String function) {
		this.firstame = firstame;
		this.lastname = lastname;
		this.mail = mail;
		this.function = function;
	}
 
	public Employees(Employees employees, String firstame, String lastname,
			String mail, String function, String sheet, Integer rib,
			String maritalStatus, Integer numberOfChildren, String password,
			Byte enabled, String username,
			Set<Adressemployees> adressemployeeses, Set<Vacation> vacations,
			Set<Trainee> trainees, Set<Phoneemployees> phoneemployeeses,
			Set<Rules> ruleses, Set<Salary> salaries, Set<Cv> cvs,
			Set<Employees> employeeses) {
		this.employees = employees;
		this.firstame = firstame;
		this.lastname = lastname;
		this.mail = mail;
		this.function = function;
		this.sheet = sheet;
		this.rib = rib;
		this.maritalStatus = maritalStatus;
		this.numberOfChildren = numberOfChildren;
		this.password = password;
		this.enabled = enabled;
		this.username = username;
		this.adressemployeeses = adressemployeeses;
		this.vacations = vacations;
		this.trainees = trainees;
		this.phoneemployeeses = phoneemployeeses;
		this.ruleses = ruleses;
		this.salaries = salaries;
		this.cvs = cvs;
		this.employeeses= employeeses;
 
	}
 
	@Id
	@GeneratedValue(strategy = IDENTITY)
	@Column(name = "idemployees", unique = true, nullable = false)
	public Integer getIdemployees() {
		return this.idemployees;
	}
 
	public void setIdemployees(Integer idemployees) {
		this.idemployees = idemployees;
	}
 
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "manager_id")
	public Employees getEmployees() {
		return this.employees;
	}
 
	public void setEmployees(Employees employees) {
		this.employees = employees;
	}
 
	@Column(name = "firstame", nullable = false, length = 45)
	public String getFirstame() {
		return this.firstame;
	}
 
	public void setFirstame(String firstame) {
		this.firstame = firstame;
	}
 
	@Column(name = "lastname", nullable = false, length = 45)
	public String getLastname() {
		return this.lastname;
	}
 
	public void setLastname(String lastname) {
		this.lastname = lastname;
	}
 
	@Column(name = "mail", nullable = false, length = 45)
	public String getMail() {
		return this.mail;
	}
 
	public void setMail(String mail) {
		this.mail = mail;
	}
 
	@Column(name = "function", nullable = false, length = 45)
	public String getFunction() {
		return this.function;
	}
 
	public void setFunction(String function) {
		this.function = function;
	}
 
	@Column(name = "sheet")
	public String getSheet() {
		return this.sheet;
	}
 
	public void setSheet(String sheet) {
		this.sheet = sheet;
	}
 
	@Column(name = "rib")
	public Integer getRib() {
		return this.rib;
	}
 
	public void setRib(Integer rib) {
		this.rib = rib;
	}
 
	@Column(name = "MaritalStatus", length = 45)
	public String getMaritalStatus() {
		return this.maritalStatus;
	}
 
	public void setMaritalStatus(String maritalStatus) {
		this.maritalStatus = maritalStatus;
	}
 
	@Column(name = "number_of_children")
	public Integer getNumberOfChildren() {
		return this.numberOfChildren;
	}
 
	public void setNumberOfChildren(Integer numberOfChildren) {
		this.numberOfChildren = numberOfChildren;
	}
 
	@Column(name = "password", length = 60)
	public String getPassword() {
		return this.password;
	}
 
	public void setPassword(String password) {
		this.password = password;
	}
 
	@Column(name = "enabled")
	public Byte getEnabled() {
		return this.enabled;
	}
 
	public void setEnabled(Byte enabled) {
		this.enabled = enabled;
	}
 
	@Column(name = "username", unique = true, length = 25)
	public String getUsername() {
		return this.username;
	}
 
	public void setUsername(String username) {
		this.username = username;
	}
 
	@OneToMany(fetch = FetchType.LAZY, mappedBy = "employees")
	public Set<Adressemployees> getAdressemployeeses() {
		return this.adressemployeeses;
	}
 
	public void setAdressemployeeses(Set<Adressemployees> adressemployeeses) {
		this.adressemployeeses = adressemployeeses;
	}
 
	@OneToMany(fetch = FetchType.LAZY, mappedBy = "employees")
	public Set<Vacation> getVacations() {
		return this.vacations;
	}
 
	public void setVacations(Set<Vacation> vacations) {
		this.vacations = vacations;
	}
 
	@OneToMany(fetch = FetchType.LAZY, mappedBy = "employees")
	public Set<Trainee> getTrainees() {
		return this.trainees;
	}
 
	public void setTrainees(Set<Trainee> trainees) {
		this.trainees = trainees;
	}
 
	@OneToMany(fetch = FetchType.LAZY, mappedBy = "employees")
	public Set<Phoneemployees> getPhoneemployeeses() {
		return this.phoneemployeeses;
	}
 
	public void setPhoneemployeeses(Set<Phoneemployees> phoneemployeeses) {
		this.phoneemployeeses = phoneemployeeses;
	}
 
	@ManyToMany(fetch = FetchType.LAZY)
	@JoinTable(name = "employees_rules", catalog = "px_db_zied", joinColumns = { @JoinColumn(name = "employees_idemployees", nullable = false, updatable = false) }, inverseJoinColumns = { @JoinColumn(name = "rules_idrules", nullable = false, updatable = false) })
	public Set<Rules> getRuleses() {
		return this.ruleses;
	}
 
	public void setRuleses(Set<Rules> ruleses) {
		this.ruleses = ruleses;
	}
 
	@OneToMany(fetch = FetchType.LAZY, mappedBy = "employees")
	public Set<Salary> getSalaries() {
		return this.salaries;
	}
 
	public void setSalaries(Set<Salary> salaries) {
		this.salaries = salaries;
	}
 
	@OneToMany(fetch = FetchType.LAZY, mappedBy = "employees")
	public Set<Cv> getCvs() {
		return this.cvs;
	}
 
	public void setCvs(Set<Cv> cvs) {
		this.cvs = cvs;
	}
 
	@OneToMany(fetch = FetchType.LAZY, mappedBy = "employees")
	public Set<Employees> getEmployeeses() {
		return this.employeeses;
	}
 
	public void setEmployeeses(Set<Employees> employeeses) {
		this.employeeses = employeeses;
	}
 
}
alors ma jsp :
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<form:form  action="addtest.htm" commandName="employes"  method="post">
	<table>
		<tr>
			<td>Nom :</td>
	 	<td><form:input  path="firstame" /></td>
		</tr>
		<tr>
			<td>Prenom :</td>
			<td><form:input path="lastname"/></td>
		</tr>
 
		<tr>
			<td>function:</td>
			<td><form:input path="function"/></td>
		</tr>
		<tr>
			<td>mail:</td>
			<td><form:input path="mail"/></td>
		</tr>
		<tr>
			<td>sheet:</td>
			<td><form:input path="sheet"/></td>
		</tr>
 
			<tr>
			<td>maritalStatus:</td>
			<td><form:input path="maritalStatus"/></td>
		</tr>
 
			<tr>
			<td>password:</td>
			<td><form:input path="password" /></td>
		</tr>
 
		<tr>
			<td>username:</td>
			<td><form:input path="username"/></td>
		</tr>
 
 
		<tr>
			<td>manager:</td>
			<td><form:select path="employeeses" items="${employesList}" itemLabel="firstame" itemValue="idemployees" >
				</form:select></td>
		</tr>
 
		<tr>
			<td colspan="2"><input type="submit" value="Register"></td>
		</tr>
	</table>
</form:form>
et mon controller
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public class EmployesAddControllerTest extends  MultiActionController {
 
	private AdressemployeesDAO adressemployeesDAO;
	private EmployeesDAO employeesDAO;
 
	public void setAdressemployeesDAO(AdressemployeesDAO adressemployeesDAO) {
		this.adressemployeesDAO = adressemployeesDAO;
	}
 
	public void setEmployeesDAO(EmployeesDAO employeesDAO) {
		this.employeesDAO = employeesDAO;
	}
 
	public ModelAndView addtest(HttpServletRequest request,
			HttpServletResponse response, Employees employees, String [] employeeses) throws Exception {
 
 
 
 
		employeesDAO.createEmploye(employees, true);
		return new ModelAndView("redirect:list.htm");
	}
 
	public ModelAndView list(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		ModelMap modelMap = new ModelMap();
		modelMap.addAttribute("employesList", employeesDAO.findallEmploye(true));
		modelMap.addAttribute("employes", new Employees());
		return new ModelAndView("addemployes", modelMap);
	}
}
dans le code jsp , vous pouvez remarquer que pour chaque input il y a un path , c`est grâce a ce path qu`on fait la correspondance,
alors mon probleme c`est que si je met
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		<tr>
			<td>manager:</td>
			<td><form:select path="employeeses" items="${employesList}" itemLabel="firstame" itemValue="idemployees" >
				</form:select></td>
		</tr>
il le connait pas et il m`a dit que c`est impossible de convertir String to Employees. j`ai adapté au premier la solution initBinder mais elle ne fonctionne pas ainsi que mon encadrant ne veut pas cette solution en car cette dernière ne peut pas être appliquée dans notre projet a cause d`autre circonstances.

SVP aider moi