MyEclipse to generate web service error Unable to createJAXBContext

Brother try to use myeclipse generate web service, but always reported Unable to create JAXBContext Error

package org.course.design.bean;
 
 public class Customer {
 	private String cid;  //客户编号
 	private String from;  //查询起始日期
 	private String to;    //查询截止日期
 
 	public Customer(String cid, String from, String to) {
 		super();
 		this.cid = cid;
 		this.from = from;
 		this.to = to;
 	}
 	
 	public String getCid() {
 		return cid;
 	}
 
 	public void setCid(String cid) {
 		this.cid = cid;
 	}
 
 	public String getFrom() {
 		return from;
 	}
 
 	public void setFrom(String from) {
 		this.from = from;
 	}
 
 	public String getTo() {
 		return to;
 	}
 
 	public void setTo(String to) {
 		this.to = to;
 	}
 
 }
 

 package org.course.design.bean;
 
 public class Sale {
 	private String cid;
 	private String gid;
 	private String salesTime;
 	private int goodsCount;
 
 	public String getCid() {
 		return cid;
 	}
 
 	public void setCid(String cid) {
 		this.cid = cid;
 	}
 
 	public String getGid() {
 		return gid;
 	}
 
 	public void setGid(String gid) {
 		this.gid = gid;
 	}
 
 	public String getSalesTime() {
 		return salesTime;
 	}
 
 	public void setSalesTime(String salesTime) {
 		this.salesTime = salesTime;
 	}
 
 	public int getGoodsCount() {
 		return goodsCount;
 	}
 
 	public void setGoodsCount(int goodsCount) {
 		this.goodsCount = goodsCount;
 	}
 }
 

 package org.course.design.webservice;
 
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.ArrayList;
 import java.util.List;
 
 import org.course.design.bean.Customer;
 import org.course.design.bean.Sale;
 
 public class QueryFun {	
 	// 输入客户对象，查询数据库，返回一个销售记录集合
 	public  List<Sale> query(Customer c){
 		//查询语句
 		String queryString = "select * from sale where cid='"+c.getCid()+"'";
 		
 		//对起始日期和截止日期进行处理，仅当二者皆不为空的时候进行结合查询，否则只进行客户编号查询
 		if(!c.getFrom().equals("") && !c.getTo().equals("")){
 			queryString = queryString + " and salesTime between '" + c.getFrom()  
 			             + "' and '" + c.getTo() + "'";
 		}
 		
 		Connection conn = null;
 		Statement stmt = null;
 		ResultSet rs = null;
         List<Sale> sales = new ArrayList<Sale>();
         
 		try {
 			Class.forName("com.mysql.jdbc.Driver");
 			conn = DriverManager.getConnection("jdbc:mysql://localhost/xmlcoursedesign", "root", "333333");
 			stmt = conn.createStatement();
 			rs = stmt.executeQuery(queryString);
 			
 			while (rs.next()) {
 				Sale s = new Sale();
 				s.setCid(rs.getString("cid"));
 				s.setGid(rs.getString("gid"));
 				s.setSalesTime(rs.getString("salesTime"));
 				s.setGoodsCount(rs.getInt("goodsCount"));
 				
 				sales.add(s);
 				}
 		} catch (ClassNotFoundException e) {
 			e.printStackTrace();
 		} catch (SQLException e) {
 			e.printStackTrace();
 		} catch (Exception e) {
 			e.printStackTrace();
 		}finally{
 			try{
 				if(rs != null)
 				rs.close();
 			if(stmt != null)
 				stmt.close();
 			if(conn != null)
 				conn.close();
 			}catch(Exception e){
 				e.printStackTrace();
 			}
 		}
 		
 		return sales;
 	}
 }
 
 

seeking an experienced brother helper ....
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you with what xfire axis2?
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If the last is not generated, it would be better to generate a plain text sent in the past forget
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your wsdl file address for it?
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JAX-WS
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I am using myeclipse generated directly under QueryFun class.
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this problem solved? I also always out of this error, webservice generate total return objects unsuccessful.
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pro, do you solve this problem, I also encountered the same problem, headache ah
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finally found the reason is the default JAX-WS supports only int, String type of data returned to the client end, but it is considered to return a String data type, if the server using a custom complex type or prompts that mistake. We should put a custom complex types in List then returned List. Response time on the client and then get back to List, and then JAX-WS will automatically extract the custom class, so you can return the customer information. Hoping to help.
hey, finally doing a good job!
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can detail what, I find online, and many are not resolved, can be given a demo, solve this problem, the child has not yet seen such a demo! Make one out, but also NCKU god! My looks like is a list , how to operate, I was a rookie! Seeking guidance!