Web应用程序中注入Mapstruct生成的类

Web应用程序中注入Mapstruct生成的类

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Spring未在JHipster Web应用程序中注入Mapstruct生成的类

本文介绍了Spring未在JHipster Web应用程序中注入Mapstruct生成的类的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正在开发使用JHipster v2.20.0创建的Web应用程序.使用Eclipse 4.5.0 WTP作为IDE.

I'm developing a web app created with JHipster v2.20.0.Using Eclipse 4.5.0 WTP as IDE.

Spring配置基于注释.

The Spring configuration is annotation based.

我刚刚将此请求与我们的代码合并.

I've just merged this pull with our code.

当我尝试在Eclipse中运行应用程序时，出现此异常:

When I try to run the application inside Eclipse I get this exception:

[INFO] com.app.tenancy.hibernate.MyCurrentTenantIdentifierResolver - MyCurrentTenantIdentifierResolver.getTenantId(): Couldn't find Company/Tenant for the domain inventario, stopping serving the request
[WARN] org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext - Exception encountered during context initialization - cancelling refresh attempt
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userManagementResource': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.app.web.rest.mapper.UserManagementMapper com.app.web.rest.UserManagementResource.userManagementMapper; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.app.web.rest.mapper.UserManagementMapper] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@javax.inject.Inject()}
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1210) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) ~[spring-context-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) ~[spring-context-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) [spring-boot-1.2.5.RELEASE.jar:1.2.5.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686) [spring-boot-1.2.5.RELEASE.jar:1.2.5.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:320) [spring-boot-1.2.5.RELEASE.jar:1.2.5.RELEASE]
    at com.app.Application.main(Application.java:79) [classes/:na]
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.app.web.rest.mapper.UserManagementMapper com.app.web.rest.UserManagementResource.userManagementMapper; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.app.web.rest.mapper.UserManagementMapper] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@javax.inject.Inject()}
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:561) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    ... 14 common frames omitted
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.app.web.rest.mapper.UserManagementMapper] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@javax.inject.Inject()}
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1301) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1047) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:942) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533) ~[spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]
    ... 16 common frames omitted

这是UserManagementMapper类:

This is the UserManagementMapper class:

package com.app.web.rest.mapper;

import java.util.List;
import java.util.Optional;

import javax.inject.Inject;

import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import org.mapstruct.MappingTarget;

import com.app.domain.User;
import com.app.service.UserService;
import com.app.web.rest.dto.UserManagementDTO;

@Mapper(componentModel = "spring", uses = {})
public abstract class UserManagementMapper {

    @Inject
    private UserService userService;

    public abstract UserManagementDTO userToUserManagementDTO(User user);
    public abstract List<UserManagementDTO> usersToUserManagementsDTO(List<User> users);

    @Mapping(target = "createdBy", ignore=true)
    @Mapping(target = "createdDate", ignore=true)
    @Mapping(target = "lastModifiedBy", ignore=true)
    @Mapping(target = "lastModifiedDate", ignore=true)
    @Mapping(target = "persistentTokens", ignore=true)
    @Mapping(target = "resetDate", ignore=true)
    @Mapping(target = "activationKey", ignore=true)
    @Mapping(target = "resetKey", ignore=true)
    @Mapping(target = "password", ignore=true)
    public abstract User updateUserFromDto(UserManagementDTO userManagementDTO, @MappingTarget User user);



    public User userManagementDTOToUser(UserManagementDTO userManagementDTO) {
        return  Optional.ofNullable(userService.getUserWithAuthorities(userManagementDTO.getId()))
            .map(user -> this.updateUserFromDto(userManagementDTO, user))
            .orElse(null);
    }
}

这是UserManagementResource类:

This is the UserManagementResource class:

package com.app.web.rest;

import java.net.URISyntaxException;
import java.util.LinkedList;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

import javax.annotation.security.RolesAllowed;
import javax.inject.Inject;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.codahale.metrics.annotation.Timed;
import com.app.domain.User;
import com.app.repository.UserRepository;
import com.app.security.AuthoritiesConstants;
import com.app.service.UserService;
import com.app.web.rest.dto.UserManagementDTO;
import com.app.web.rest.mapper.UserManagementMapper;
import com.app.web.rest.util.PaginationUtil;

/**
 * REST controller for managing users.
 */
@RestController
@RequestMapping("/api")
public class UserManagementResource {

    private final Logger log = LoggerFactory.getLogger(UserManagementResource.class);

    @Inject
    private UserService userService;

    @Inject
    private UserRepository userRepository;

    @Autowired
    private UserManagementMapper userManagementMapper;

    /**
     * GET  /userManagement -> get all users to manage.
     */
    @RequestMapping(value = "/userManagement",
        method = RequestMethod.GET,
        produces = MediaType.APPLICATION_JSON_VALUE)
    @Timed
    @RolesAllowed(AuthoritiesConstants.ADMIN)
    @Transactional(readOnly = true)
    public ResponseEntity<List<UserManagementDTO>> getAll(@RequestParam(value = "page" , required = false) Integer offset,
                                                         @RequestParam(value = "per_page", required = false) Integer limit)
        throws URISyntaxException {
        Page<User> page = userRepository.findAll(PaginationUtil.generatePageRequest(offset, limit));
        HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(page, "/api/userManagement", offset, limit);
        return new ResponseEntity<>(page.getContent().stream()
                 .map(userManagementMapper::userToUserManagementDTO)
                 .collect(Collectors.toCollection(LinkedList::new)), headers, HttpStatus.OK);
    }

    /**
     * GET  /userManagement/:id -> get id user to manage.
     */
    @RequestMapping(value = "/userManagement/{id}",
            method = RequestMethod.GET,
            produces = MediaType.APPLICATION_JSON_VALUE)
    @Timed
    @RolesAllowed(AuthoritiesConstants.ADMIN)
    @Transactional(readOnly = true)
    ResponseEntity<UserManagementDTO> getUser(@PathVariable Long id) {
       log.debug("REST request to get User to manage : {}", id);
       return  Optional.ofNullable(userService.getUserWithAuthorities(id))
               .map(userManagementMapper::userToUserManagementDTO)
               .map(userManagementDTO -> new ResponseEntity<>(
                    userManagementDTO,
                    HttpStatus.OK))
               .orElse(new ResponseEntity<>(HttpStatus.NOT_FOUND));
    }

    /**
     * PUT  /userManagement -> Updates an existing user.
     */
    @RequestMapping(value = "/userManagement",
        method = RequestMethod.PUT,
        produces = MediaType.APPLICATION_JSON_VALUE)
    @Timed
    @RolesAllowed(AuthoritiesConstants.ADMIN)
    public ResponseEntity<Void> update(@RequestBody UserManagementDTO userManagementDTO) throws URISyntaxException {
        log.debug("REST request to update User : {}", userManagementDTO);
        if (userManagementDTO.getId() == null) {
            return ResponseEntity.badRequest().header("Failure", "You cannot create a new user").build();
        }
        User user = userManagementMapper.userManagementDTOToUser(userManagementDTO);
        userRepository.save(user);
        return ResponseEntity.ok().build();
    }
}

最后，在合并过程中未更改pom.xml文件.合并之前，该应用程序正常运行.

Lastly, the pom.xml file was not changed during this merge. The application was working properly before the merge.

这可能是一些新手问题，但是与执行合并相比，我在解决该问题上花费了更多时间.

It's probably some newbie question, but I've lost more hours trying to solve this than performing the merge.

在此先感谢您的帮助！

推荐答案

您应确保在Eclipse中将目标/生成源"链接为源文件夹.

You should make sure that "target/generated-sources" is linked as a source folder in Eclipse.

这篇关于Spring未在JHipster Web应用程序中注入Mapstruct生成的类的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！

07-29 14:11
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