Exception in thread "main" java.lang.NoClassDefFoundError: org/objectweb/asm/Type

    at net.sf.cglib.core.TypeUtils.parseType(TypeUtils.java:184)

    at net.sf.cglib.core.KeyFactory.<clinit>(KeyFactory.java:72)

    at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:72)

    at com.wzq.demo02.UserServiceCglib.getInstance(UserServiceCglib.java:15)

    at com.wzq.demo02.TestCglib.main(TestCglib.java:6)

Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.Type

    at java.net.URLClassLoader.findClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    ... 5 more

FATAL ERROR in native method: JDWP on checking for an array class, jvmtiError=JVMTI_ERROR_WRONG_PHASE(112)

JDWP exit error JVMTI_ERROR_WRONG_PHASE(112): on checking for an array class [util.c:1299]

public class Person {

    private Integer pid;

    private String pnameString;

    public Person(Integer pid, String pnameString) {

        this.pid = pid;

        this.pnameString = pnameString;

    }

    public Integer getPid() {

        return pid;

    }

    public void setPid(Integer pid) {

        this.pid = pid;

    }

    public String getPnameString() {

        return pnameString;

    }

    public void setPnameString(String pnameString) {

        this.pnameString = pnameString;

    }

}

public class Transaction {

    //开启事物

    public void beginTransaction(){

        System.out.println("--->-非正事(before干正事)：--beginTransaction");

    }

    //提交事物

    public void commit(){

        System.out.println("--->-非正事(after干正事)：--commit");

    }

}

//此处没有实现PersonDao接口

public class PersonDaoImpl{

    public void savePerson() {

        System.out.println("--->-正事：--savePerson");

    }

    public List<Person> getPersons() {

        List<Person> persons = new ArrayList<>();

        Person person1 = new Person(1, "person1");

        Person person2 = new Person(2, "person2");

        persons.add(person1);

        persons.add(person2);

        return persons;

    }

}

import org.springframework.cglib.proxy.Enhancer;

import org.springframework.cglib.proxy.MethodInterceptor;

import org.springframework.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

//import net.sf.cglib.proxy.Enhancer;

//import net.sf.cglib.proxy.MethodInterceptor;

//import net.sf.cglib.proxy.MethodProxy;

public class MyInterceptor implements MethodInterceptor {

    private Object personDaoImpl; // personDaoImpl // 目标对象

    private Transaction transaction;

    public MyInterceptor(Object personDaoImpl, Transaction transaction) {

        super();

        System.out.println("=2==构造函数==========================");

        this.personDaoImpl = personDaoImpl;

        this.transaction = transaction;

    }

    /**

     * 产生代理对象

     */

    public Object createProxy(){

        Enhancer enhancer = new Enhancer();//通过类Enhancer创建代理对象

        enhancer.setSuperclass(this.personDaoImpl.getClass());//设置代理对象的父类

        enhancer.setCallback(this);//回调函数  拦截器

        Object poxyer = enhancer.create();//创建代理对象

        System.out.println("-45-->-diy的代理对象(MyInterceptor.class中的diy方法)："+ poxyer);

        return poxyer;

    }

//TODO  arg0：       动态生成的代理对象

//TODO  method ：    实际调用的方法

//TODO  arg2：       调用方法入参(当前方法的参数)

//TODO  net.sf.cglib.proxy.MethodProxy：java Method类的代理类，可以实现委托类对象的方法的调用；常用方法：methodProxy.invokeSuper(proxy, args)；在拦截方法内可以调用多次

    @Override

    public Object intercept(Object arg0, Method method, Object[] arg2, MethodProxy proxy) throws Throwable {

        System.out.println("=3==进入到了cglibInterceptor的实现方法==========================当前拦截的方法是："+ method.getName());

        //PersonDaoImpl bean = (PersonDaoImpl)personDaoImpl; // 因为在程序里personDaoImpl(targetObject)为PersonServiceBean

        if(method.getName().equals("savePerson")){

            transaction.beginTransaction();

            Object invoke11 = method.invoke(personDaoImpl, arg2);    //交给目标对象进行处理 --> poxy调用 目标对象的目标方法("savePerson"方法)

//            Object invoke12 = proxy.invoke(arg0, arg2);

            transaction.commit();

            return null;

        }else{ //toString(); getPersons()

            Object invoke21 = method.invoke(this.personDaoImpl, arg2);//poxy调用 目标对象的目标方法

//            Object invoke22 = proxy.invoke(arg0, arg2);

            return invoke21;

        }

    }

}

public class PersonDaoImplTest {

    public static void main(String[] args){

        PersonDaoImpl personDaoImpl = new PersonDaoImpl();

        Transaction transaction = new Transaction();

        System.out.println("=1==start prepare==========================");

        MyInterceptor interceptor = new MyInterceptor(personDaoImpl, transaction);//创建出能生成 目标代理对象的 Class

        PersonDaoImpl proxy = (PersonDaoImpl) interceptor.createProxy();

        proxy.savePerson();

        System.out.println("=21======正事已完成======================");

        for(Person person : proxy.getPersons()){

            System.out.println("-50-->"+person.getPnameString());

        }

    }

}

=1==start prepare==========================

=2==构造函数==========================

=3==进入到了cglibInterceptor的实现方法==========================当前拦截的方法是：toString

-45-->-diy的代理对象(MyInterceptor.class中的diy方法)：com.wyait.manage.practiceDiy.test3.PersonDaoImpl@2c13da15

=3==进入到了cglibInterceptor的实现方法==========================当前拦截的方法是：savePerson

--->-非正事(before干正事)：--beginTransaction

--->-正事：--savePerson

--->-非正事(after干正事)：--commit

=21======正事已完成======================

=3==进入到了cglibInterceptor的实现方法==========================当前拦截的方法是：getPersons

-50-->person1

-50-->person2