我收到以下错误:
***************************
APPLICATION FAILED TO START
***************************
Description:
Parameter 0 of method setApplicant in webService.controller.RequestController required a bean of type 'com.service.applicant.Applicant' that could not be found.
Action:
Consider defining a bean of type 'com.service.applicant.Applicant' in your configuration.
我之前从未见过此错误，但是@Autowire无法正常工作很奇怪。这是项目结构:
申请人界面
public interface Applicant {
TApplicant findBySSN(String ssn) throws ServletException;
void deleteByssn(String ssn) throws ServletException;
void createApplicant(TApplicant tApplicant) throws ServletException;
void updateApplicant(TApplicant tApplicant) throws ServletException;
List<TApplicant> getAllApplicants() throws ServletException;
}
申请人Impl
@Service
@Transactional
public class ApplicantImpl implements Applicant {
private static Log log = LogFactory.getLog(ApplicantImpl.class);
private TApplicantRepository applicantRepo;
@Override
public List<TApplicant> getAllApplicants() throws ServletException {
List<TApplicant> applicantList = applicantRepo.findAll();
return applicantList;
}
}
现在，我应该可以只通过Autowire Applicant进行访问，但是在这种情况下，当我在
@RestController:中调用它时，它将无法正常工作@RestController
public class RequestController extends LoggingAware {
private Applicant applicant;
@Autowired
public void setApplicant(Applicant applicant){
this.applicant = applicant;
}
@RequestMapping(value="/", method = RequestMethod.GET)
public String helloWorld() {
try {
List<TApplicant> applicantList = applicant.getAllApplicants();
for (TApplicant tApplicant : applicantList){
System.out.println("Name: "+tApplicant.getIndivName()+" SSN "+tApplicant.getIndSsn());
}
return "home";
}
catch (ServletException e) {
e.printStackTrace();
}
return "error";
}
}
------------------------更新1 -----------------------
我加了
@SpringBootApplication
@ComponentScan("module-service")
public class WebServiceApplication extends SpringBootServletInitializer {
@Override protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(WebServiceApplication.class);
}
public static void main(String[] args) {
SpringApplication.run(WebServiceApplication.class, args);
}
}
错误消失了，但是什么也没发生。但是，当我在添加
Applicant之前注释掉RestController中涉及@ComponentScan()的所有内容时，我能够返回一个字符串UI，因此这意味着我的RestController正在运行，现在已被跳过。我现在丑陋的Whitelabel Error Page。---------------------更新2 --------------------------- ---
我添加了它提示的bean的基本包。错误读取:
***************************
APPLICATION FAILED TO START
***************************
Description:
Parameter 0 of method setApplicantRepo in com.service.applicant.ApplicantImpl required a bean of type 'com.delivery.service.request.repository.TApplicantRepository' that could not be found.
Action:
Consider defining a bean of type 'com.delivery.request.request.repository.TApplicantRepository' in your configuration.
我添加了
@ComponentScan@SpringBootApplication
@ComponentScan({"com.delivery.service","com.delivery.request"})
public class WebServiceApplication extends SpringBootServletInitializer {
@Override protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(WebServiceApplication.class);
}
public static void main(String[] args) {
SpringApplication.run(WebServiceApplication.class, args);
}
}
----------------------------更新3 -------------------- -
添加:
@SpringBootApplication
@ComponentScan("com")
public class WebServiceApplication extends SpringBootServletInitializer {
仍然在提示我的
ApplicantImpl类，该类将我的 repo @Autowires放入其中。 最佳答案
可能是因为该项目已分解为不同的模块。
@SpringBootApplication
@ComponentScan({"com.delivery.request"})
@EntityScan("com.delivery.domain")
@EnableJpaRepositories("com.delivery.repository")
public class WebServiceApplication extends SpringBootServletInitializer {