Question

*原因：com.mysql.jdbc.MysqlDataTruncation：数据截断：数据太长，第1行的“内容”列

我试图解决这个问题很多天

名称：vivek srivastava
描述：联系人
文件：文件
ContentType：应用程序/ pdf
服务：托管，代管
休眠：插入文档（地址，联系方式，内容，手机号码，名称，名称，服务提供，状态，上载日期）值（？，？，？，？，？，？，？，？，？） org.hibernate.exception.DataException：无法插入：[com.ams.bean.Document]

package com.ams.bean;

import java.sql.Blob;
import java.sql.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.Table;

@Entity
@Table(name="documents")
public class Document {

    @Id
    @GeneratedValue
    @Column(name="id")
    private Integer id;

    @Column(name="name")
    private String name;

    @Column(name="poname")
    private String poname;

    @Column(name="mobileno")
    private String mobileno;

    @Column(name="contact")
    private String contact;

    @Column(name="content")
    @Lob
    private Blob content;

    @Column(name="serviceprovided")
    private String serviceprovided;

    @Column(name="status")
    private String status;

    @Column(name="uploaddate")
    private String uploaddate;

    @Column(name="address")
    private String address;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getMobileno() {
        return mobileno;
    }

    public void setMobileno(String mobileno) {
        this.mobileno = mobileno;
    }

    public String getContact() {
        return contact;
    }

    public void setContact(String contact) {
        this.contact = contact;
    }

    public Blob getContent() {
        return content;
    }

    public void setContent(Blob content) {
        this.content = content;
    }

    public String getServiceprovided() {
        return serviceprovided;
    }

    public void setServiceprovided(String serviceprovided) {
        this.serviceprovided = serviceprovided;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public String getUploaddate() {
        return uploaddate;
    }

    public void setUploaddate(String uploaddate) {
        this.uploaddate = uploaddate;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public String getPoname() {
        return poname;
    }

    public void setPoname(String poname) {
        this.poname = poname;
    }enter code here


}

    @RequestMapping(value = "/save", method = RequestMethod.POST)
    public String save(
            @ModelAttribute("document") Document document,
            @RequestParam("file") MultipartFile file) {


        System.out.println("Name:" + document.getName());
        System.out.println("Desc:" + document.getContact());
        System.out.println("File:" + file.getName());
        System.out.println("ContentType:" + file.getContentType());
        System.out.println("service:"+document.getServiceprovided());

        try {
            Blob blob = Hibernate.createBlob(file.getInputStream());

            document.setServiceprovided(document.getServiceprovided());
            document.setContent(blob);
            document.setAddress(document.getAddress());
            document.setName(document.getName());
            document.setPoname(document.getPoname());
            document.setMobileno(document.getMobileno());
            document.setStatus(document.getStatus());
            document.setUploaddate(document.getUploaddate());
            document.setContact(document.getContact());



        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            VMDao.save(document);
        } catch(Exception e) {
            e.printStackTrace();
        }

        return "redirect:/customer_details.do";
    }

      @Transactional(propagation=Propagation.REQUIRED)
        public void save(Document document) {
            Session session = sessionFactory.getCurrentSession();
            session.save(document);
        }

Answer 1

异常很明显，内容ID的值太大（超过64Kb）。考虑使用另一个，例如MEDIUMBLOB或LONGBLOB：

BLOB类型对象类型对象可以容纳的值长度 TINYBLOB从0到255字节 BLOB从0到65535字节 MEDIUMBLOB从0到16777215字节 LONGBLOB从0到4294967295字节

数据截断：数据太长，导致第1行的“内容”列

1 个答案: