WELD-001408：在注入点[BackedAnnotatedField] @Inject上带有限定符@Default的Logger类型的依赖关系不令人满意

问题描述

在用Arquillian测试JavaEE8应用程序时遇到了这个问题：WELD-001408：带有限定符@Default的Logger类型的依赖关系未得到满足在注入点[BackedAnnotatedField] @Inject私有academy.learnprogramming.services.TodoService.LOG

对于注入的EntityManager，我有相同的错误

这些是我的课程：

TodoService.class（我必须测试的类）

package academy.learnprogramming.services;

import academy.learnprogramming.entities.Todo;
import org.apache.log4j.Logger;

import javax.annotation.postconstruct;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.transaction.Transactional;
import java.util.List;

@Transactional
public class TodoService {

    @Inject
    private Logger LOG = Logger.getLogger(TodoService.class);

    @Inject
    EntityManager entityManager;

    public Todo createtodo(Todo todo) {
        //Persist into db
        entityManager.persist(todo);
        return todo;
    }

    public Todo updatetodo(Todo todo) {
        entityManager.merge(todo);
        return todo;
    }

    @postconstruct
    private void init() {
        LOG.info("Bean TodoService created");
    }

    public Todo findTodobyId(Long id) {
        return entityManager.find(Todo.class,id);
    }

    public List<Todo> getTodos(){
        return entityManager.createquery("SELECT t from Todo t",Todo.class).getResultList();
    }

}

TodoServiceTest.class（用于测试的类）

package academy.learnprogramming.services;

import academy.learnprogramming.config.Producers;
import academy.learnprogramming.entities.Todo;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.*;

@RunWith(Arquillian.class)
public class TodoServiceTest {

    @Deployment
    public static JavaArchive createDeployment() {
        return ShrinkWrap.create(JavaArchive.class)
                .addClasses(TodoService.class,Todo.class,Producers.class)
                .addAsResource("persistence.xml","meta-inf/persistence.xml")
                .addAsManifestResource(EmptyAsset.INSTANCE,"beans.xml");
    }

    @Before
    public void setUp() throws Exception {
    }

    @After
    public void tearDown() throws Exception {
    }

    @Test
    public void createtodo() {
    }

    @Test
    public void updatetodo() {
    }

    @Test
    public void findTodobyId() {
    }

    @Test
    public void getTodos() {
    }
}

Producers.class（用于将第三方库添加到CDI的类）

package academy.learnprogramming.config;


import org.apache.log4j.Logger;
import org.dozer.DozerBeanMapper;

import javax.enterprise.context.RequestScoped;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import java.util.ArrayList;
import java.util.List;

//If producers becomes complitated,split it in many classes,each for a single producer
public class Producers {

    @Produces
    @PersistenceContext
    EntityManager entityManager;

    @Produces
    public Logger produceLogger(InjectionPoint injectionPoint) {
        return Logger.getLogger(injectionPoint.getMember().getDeclaringClass().getName());
    }

    //Auto mapper
    @Produces
    public DozerBeanMapper produceDozenBeanMapper() {
        DozerBeanMapper mapper = new DozerBeanMapper();
        List<String> mappingFiles = new ArrayList();
        mappingFiles.add("dozerJdk8Converters.xml");
        mapper.setMappingFiles(mappingFiles);
        return mapper;
    }
}

四处搜寻，我知道可能的问题可能是：

dis

beans.xml可能会出现问题，因为它不会扫描未注释的bean，但是我的bean.xml文件具有bean-discovery-mode =“全部”
注入TodoService类的Logger和EntityManager不能具有Producer，但是我具有Producers类
人们在为TodoService，TodoServiceTest和Producers类导入Logger类时可能会犯错误，例如在一个类中导入org.apache.log4j.Logger，而在另一个类中导入java util.logging.Logger，但是我拥有全部导入org.apache.log4j.Logger的课程

如果我删除了@Inject注释，并且使用了类中的记录器，那么它将起作用。

我还能尝试什么？非常感谢您的宝贵时间。

解决方法

如果使用WAR文件，请尝试使用WebArchive

 @Deployment
    public static WebArchive createDeployment() {
        return ShrinkWrap.create(WebArchive.class)
                .addClasses(TodoService.class,Todo.class,Producers.class)
                .addAsResource("persistence.xml","META-INF/persistence.xml")
                .addAsManifestResource(EmptyAsset.INSTANCE,"beans.xml");
}

删除Logger.getLogger(TodoService.class);生产者，它将实例化记录器。

@RequestScoped
@Transactional
public class TodoService {

    @Inject
    private Logger log;

    @Inject
    EntityManager entityManager;

    public Todo createTodo(Todo todo) {
        //Persist into db
        entityManager.persist(todo);
        return todo;
    }

    public Todo updateTodo(Todo todo) {
        entityManager.merge(todo);
        return todo;
    }

    @PostConstruct
    private void init() {
        log.info("Bean TodoService created");
    }

    public Todo findTodoById(Long id) {
        return entityManager.find(Todo.class,id);
    }

    public List<Todo> getTodos(){
        return entityManager.createQuery("SELECT t from Todo t",Todo.class).getResultList();
    }

cdi dependency-injection java java java-ee-8 jboss-arquillian