Question

所以我按照本教程video（source）创建Java企业Web应用程序并遇到了问题。因为这是我第一次使用这样的东西对我来说，我对如何解决这个问题一无所知。

尝试运行项目时，我收到一条错误消息＆＃34;该模块尚未部署。有关详细信息，请参阅服务器日志。＆＃34;经过一段时间试图找出问题所在，我认为这很可能是我在＆＃34; Student.java＆＃34; -class中出现的错误。它说＆＃34;找不到符号classTable。创建子类创建测试类＆＃34;。这可能是什么问题？我不确定哪些代码是相关的，因为我是一个完全的初学者，但我的所有文件都是源代码的精确副本。这是Student.java：

package com.joseph.model;

import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;

/**
*
* @author Joseph
*/
@Entity
@Table
@NamedQueries({@NamedQuery(name="Student.getAll",query="SELECT e FROM     Student e")})
public class Student implements Serializable{
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
@Column
private int studentId;
@Column
private String firstname;
@Column
private String lastname;
@Column
private int yearLevel;

public int getStudentId() {
    return studentId;
}

public void setStudentId(int studentId) {
    this.studentId = studentId;
}

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 int getYearLevel() {
    return yearLevel;
}

public void setYearLevel(int yearLevel) {
    this.yearLevel = yearLevel;
}

public Student(int studentId, String firstname, String lastname, int yearLevel) {
    this.studentId = studentId;
    this.firstname = firstname;
    this.lastname = lastname;
    this.yearLevel = yearLevel;
}

public Student(){}
}

Netbeans Java Enterprise Web应用程序：找不到符号类表

0 个答案: