私はこれがたくさん議論されていることを知っています、そして私もほとんどの解決を試みました、しかし私はまだこのエラーを受け取りました：
sourceId=comboNewTaskParent[severity=(ERROR 2), summary=(comboNewTaskParent: Validation Error: Value is not valid), detail=(comboNewTaskParent: Validation Error: Value is not valid)]
HTMLのコードは次のとおりです。
<h:outputLabel value="Parent task" for="comboNewTaskParent" />
<div class="formRight">
<h:selectOneMenu id="comboNewTaskParent" value="#{taskController.parentTask}" converter="#{taskConverter}"
<f:selectItems value="#{comboTaskByProject}" var="task" itemValue="#{task}" itemLabel="#{task.taskName}" />
</h:selectOneMenu>
</div>
これが私のエンティティBeanのコードです：
package com.projectportal.entity;
import java.io.Serializable;
import javax.persistence.*;
import java.util.Date;
import java.util.List;
/**
* The persistent class for the Task database table.
*
*/
@Entity
@Table(name="Task")
public class Task implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Column(unique=true, nullable=false, length=36)
private String taskId;
@Column(length=1000)
private String taskDesc;
@Column(nullable=false)
private int taskDurationHour;
@Temporal(TemporalType.TIMESTAMP)
@Column(nullable=false)
private Date taskEstimated;
@Column(nullable=false, length=200)
private String taskName;
@Column(nullable=false)
private float taskPercentComplete;
@Temporal(TemporalType.TIMESTAMP)
@Column(nullable=false)
private Date taskStartDate;
//bi-directional many-to-one association to Priority
@ManyToOne
@JoinColumn(name="priorityId", nullable=false)
private Priority priority;
//bi-directional many-to-one association to Project
@ManyToOne
@JoinColumn(name="projectId")
private Project project;
//bi-directional many-to-one association to Status
@ManyToOne
@JoinColumn(name="statusId", nullable=false)
private Status status;
//bi-directional many-to-one association to Task
@ManyToOne
@JoinColumn(name="parentTaskId")
private Task parentTask;
//bi-directional many-to-one association to Task
@OneToMany(mappedBy="parentTask")
private List<Task> childTasks;
//bi-directional many-to-one association to Task
@ManyToOne
@JoinColumn(name="preTaskId")
private Task preTask;
//bi-directional many-to-one association to Task
@OneToMany(mappedBy="preTask")
private List<Task> dependentTasks;
//bi-directional many-to-one association to UserXTask
@OneToMany(mappedBy="task")
private List<UserXTask> userXtasks;
public Task() {
}
public String getTaskId() {
return this.taskId;
}
public void setTaskId(String taskId) {
this.taskId = taskId;
}
public String getTaskDesc() {
return this.taskDesc;
}
public void setTaskDesc(String taskDesc) {
this.taskDesc = taskDesc;
}
public int getTaskDurationHour() {
return this.taskDurationHour;
}
public void setTaskDurationHour(int taskDurationHour) {
this.taskDurationHour = taskDurationHour;
}
public Date getTaskEstimated() {
return this.taskEstimated;
}
public void setTaskEstimated(Date taskEstimated) {
this.taskEstimated = taskEstimated;
}
public String getTaskName() {
return this.taskName;
}
public void setTaskName(String taskName) {
this.taskName = taskName;
}
public float getTaskPercentComplete() {
return this.taskPercentComplete;
}
public void setTaskPercentComplete(float taskPercentComplete) {
this.taskPercentComplete = taskPercentComplete;
}
public Date getTaskStartDate() {
return this.taskStartDate;
}
public void setTaskStartDate(Date taskStartDate) {
this.taskStartDate = taskStartDate;
}
public Priority getPriority() {
return this.priority;
}
public void setPriority(Priority priority) {
this.priority = priority;
}
public Project getProject() {
return this.project;
}
public void setProject(Project project) {
this.project = project;
}
public Status getStatus() {
return this.status;
}
public void setStatus(Status status) {
this.status = status;
}
public Task getParentTask() {
return this.parentTask;
}
public void setParentTask(Task parentTask) {
this.parentTask = parentTask;
}
public List<Task> getChildTasks() {
return this.childTasks;
}
public void setChildTasks(List<Task> childTasks) {
this.childTasks = childTasks;
}
public Task getPreTask() {
return this.preTask;
}
public void setPreTask(Task preTask) {
this.preTask = preTask;
}
public List<Task> getDependentTasks() {
return this.dependentTasks;
}
public void setDependentTasks(List<Task> dependentTasks) {
this.dependentTasks = dependentTasks;
}
public List<UserXTask> getUserXtasks() {
return this.userXtasks;
}
public void setUserXtasks(List<UserXTask> userXtasks) {
this.userXtasks = userXtasks;
}
}
コントローラー：
public @Model class TaskController {
@Inject private EntityManager em;
@Inject Identity identity;
@Inject Logger log;
@Inject Event<Task> taskEventSrc;
@Named
@Produces
private List<Task> requestTaskList;
private Task parentTask;
private Task newTask;
@Produces
@Named
public Task getNewTask(){
return this.newTask;
}
/**
*
*/
public TaskController() {
// TODO Auto-generated constructor stub
}
@PostConstruct
public void loadSelfTasks(){
// Init
newTask = new Task();
// Get user from DB.
User user = em.find(User.class, identity.getUser().getId());
requestTaskList = new ArrayList<Task>();
// Loop user's tasks.
for(UserXTask userTask : user.getUserXtasks()){
requestTaskList.add(userTask.getTask());
}
log.info("Tasks for user: " + user.getFirstname() + " loaded.");
}
/**
* Create task.
* @throws Exception
*/
public void createTask() throws Exception{
log.info("Persistencing task: " + newTask.getParentTask().getTaskId());
em.persist(newTask);
taskEventSrc.fire(newTask);
newTask = new Task();
}
/**
* @return the parentTask
*/
public Task getParentTask() {
return parentTask;
}
/**
* @param parentTask the parentTask to set
*/
public void setParentTask(Task parentTask) {
this.parentTask = parentTask;
}
}
そしてもちろん、コンバーター：
@Named
/**
* @author lastcow
*
*/
パブリッククラスTaskConverterはConverter{を実装します
@Inject EntityManager em;
@Inject Logger log;
/* (non-Javadoc)
* @see javax.faces.convert.Converter#getAsObject(javax.faces.context.FacesContext, javax.faces.component.UIComponent, java.lang.String)
*/
@Override
public Object getAsObject(FacesContext context, UIComponent component, String value) {
log.info("=========== Convert to Object " + value);
if(value.equals("0")){
return null;
}
Task t = em.find(Task.class, value);
log.info("======== Got : " + t.getTaskName());
return t;
}
/* (non-Javadoc)
* @see javax.faces.convert.Converter#getAsString(javax.faces.context.FacesContext, javax.faces.component.UIComponent, java.lang.Object)
*/
@Override
public String getAsString(FacesContext context, UIComponent component, Object value) {
log.info("=========== Convert to String " + value);
return ((Task)value).getTaskId();
}
}
ログに記録された内容から、変換はそのまま機能しますが、フォームを送信しようとすると、常に「検証エラー：値が無効です」エラーがスローされます。ここで2日近く攻撃しました。
誰か提案をお願いします。
ところで、私はTask.javaにequalsとhashCodeを入れてみましたが、どちらも機能しません。前もって感謝します。