I am doing a simple test on autowiring in spring bean but autowiring do not run if interface is passed as my constructor argument. Here is the code for bean
package profile;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
#Component
public class User
{
private CreateUser user;
#Autowired
public User(CreateUser user)
{
this.user = user;
}
public void addUser(String name, String contact)
{
System.out.println("Adding "+name+" and "+contact+".....");
}
public void showUser()
{
System.out.println("Added Successfully");
}
}
My automatic config class
package profile;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
#Configuration
#ComponentScan
public class UserConfig {
}
and my main class
package profile;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
public class UserMain {
public static void main(String ar[])
{
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(UserConfig.class);
User users = context.getBean(User.class);
users.addUser("test", "122466");
users.showUser();
context.close();
}
}
I am getting the following error:
run:
Sep 12, 2017 12:20:28 PM org.springframework.context.annotation.AnnotationConfigApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext#1ed6993a: startup date [Tue Sep 12 12:20:28 IST 2017]; root of context hierarchy
Sep 12, 2017 12:20:28 PM org.springframework.context.annotation.AnnotationConfigApplicationContext refresh
WARNING: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'user' defined in file [D:\JsonWithJava\build\classes\profile\User.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'profile.CreateUser' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
Exception in thread "main" org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'user' defined in file [D:\JsonWithJava\build\classes\profile\User.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'profile.CreateUser' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:189)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1193)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1095)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:84)
at profile.UserMain.main(UserMain.java:9)
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'profile.CreateUser' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1493)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:835)
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
... 14 more
C:\Users\Admin\AppData\Local\NetBeans\Cache\8.2\executor-snippets\run.xml:53: Java returned: 1
BUILD FAILED (total time: 1 second)
But if I use default constructor the program works fine like this:
package profile;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
#Component
public class User
{
private CreateUser user;
#Autowired
public User()
{
}
public void addUser(String name, String contact)
{
System.out.println("Adding "+name+" and "+contact+".....");
}
public void showUser()
{
System.out.println("Added Successfully");
}
}
The code runs perfectly. Here is the output:
run:
Sep 12, 2017 12:21:49 PM org.springframework.context.annotation.AnnotationConfigApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext#1ed6993a: startup date [Tue Sep 12 12:21:49 IST 2017]; root of context hierarchy
Adding test and 122466.....
Added Successfully
Sep 12, 2017 12:21:49 PM org.springframework.context.annotation.AnnotationConfigApplicationContext doClose
INFO: Closing org.springframework.context.annotation.AnnotationConfigApplicationContext#1ed6993a: startup date [Tue Sep 12 12:21:49 IST 2017]; root of context hierarchy
BUILD SUCCESSFUL (total time: 0 seconds)
please help....
In your Configuration class write below code:
#Configuration
#ComponentScan
public class UserConfig {
//If their is default constructor in CreateUser then
#Bean
public CreateUser createUserBeanCreate(){
return new CreateUser();
}
}
Another option would be to use #Bean above your CreateUser class:
#Bean
public class CreateUser{
}
If CreatweUser is an interface (which is your case), then you need an implementation of CreateUser and use #Bean annotation above that class, so that Spirng IOC container can autowire CreateUser implementation whenever you use autowire above CreateUser.
Hope this helps.
Related
I know this question has been asked so many times but I'm really having trouble to pick up the right solution. I have tried so many stuffs by seeing those questions but no one seems to fit my case.
The full log error is the following:
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-09-20 12:28:25.613 ERROR 10152 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
***************************
APPLICATION FAILED TO START
***************************
Description:
Field dashboardService in com.timmi.springBoot.controllers.RestEndPoints required a bean of type 'com.timmi.springBoot.service.DashboardService' that could not be found.
Action:
Consider defining a bean of type 'com.timmi.springBoot.service.DashboardService' in your configuration.
[WARNING]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:496)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'restEndPoints': Unsatisfied dependency expressed through field 'dashboardService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.timmi.springBoot.service.DashboardService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:586)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:372)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1341)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:572)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:759)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:762)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:398)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:330)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1258)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1246)
at com.timmi.springBoot.controllers.Application.main(Application.java:20)
... 6 more
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.timmi.springBoot.service.DashboardService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1506)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1101)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1062)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:583)
... 25 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
Here's my current implementation:
SpringBootApplication:
#SpringBootApplication
#EnableJpaRepositories(basePackages="com.timmi.springBoot.repositories")
#EntityScan(basePackages="com.timmi.springBoot.entities")
#EnableAutoConfiguration
#ComponentScan(basePackages="com.timmi.springBoot.service")
public class Application extends SpringBootServletInitializer {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
#Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
// TODO Auto-generated method stub
return super.configure(builder);
}
}
RestController:
#RestController
#RequestMapping("/app")
public class RestEndPoints {
#Value("${default.course.name}")
private String cName;
#Value("${default.course.chapterCount}")
private int chaptersCount;
#Autowired
private CourseConfiguration courseConfiguration;
#Autowired
private DashboardService dashboardService;
#RequestMapping("/employees")
public List<EmployeeInformation> getAllEmpl(){
return dashboardService.getAllEmployee();
}
}
DashboardService interface:
public interface DashboardService{
List<CompanyRevenue> getTodayRevenueDash();
List<ProductCategory> getBestCategory();
List<OrderRecieved> getAllOrderRecieved();
List<OrderCollectionStatus> getOrderCollection();
List<EmployeeInformation> getAllEmployee();
void addEmployee(EmployeeInformation employeeInformation);
EmployeeInformation updateEmployee(EmployeeInformation employeeInformation);
void deleteEmployee(EmployeeInformation employeeInformation);
}
class service :
#Service
public class DashboardServiceImpl implements DashboardService{
#Autowired
private CompanyRevenueRepository companyRevenueRepository;
#Autowired
private EmployeeInformationRepository employeeInformationRepository;
#Autowired
private OrderCollectionStatusRepository OrderCollectionStatusRepository;
#Autowired
private OrderRecievedRepository orderRecievedRepository;
#Autowired
private ProductCategoryRepository productCategoryRepository;
#Override
public List<CompanyRevenue> getTodayRevenueDash() {
return companyRevenueRepository.findAll();
}
#Override
public List<ProductCategory> getBestCategory() {
return productCategoryRepository.findByBestCategory(true);
}
#Override
public List<OrderRecieved> getAllOrderRecieved() {
return orderRecievedRepository.findAll();
}
#Override
public List<OrderCollectionStatus> getOrderCollection() {
return OrderCollectionStatusRepository.findAll();
}
#Override
public List<EmployeeInformation> getAllEmployee() {
return employeeInformationRepository.findAll();
}
#Override
public void addEmployee(EmployeeInformation employeeInformation) {
employeeInformationRepository.save(employeeInformation);
}
#Override
public EmployeeInformation updateEmployee(EmployeeInformation employeeInformation) {
return employeeInformationRepository.save(employeeInformation);
}
#Override
public void deleteEmployee(EmployeeInformation employeeInformation) {
employeeInformationRepository.delete(employeeInformation);
}
}
Remove #Repository and #Qualifier from your DashboardService and #Component from DashboardServiceImpl
And please get familiar with those annotations: What's the difference between #Component, #Repository & #Service annotations in Spring?
So the solution is to put the application class in root package, so here we don't need to make ComponantScan annotation
Spring Boot application fails to start?
Here is my Project Structure
Below is my main class.
package com.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
#SpringBootApplication
public class Start {
public static void main(String[] args) {
SpringApplication.run(Start.class, args);
}
}
And my console is
2017-11-28 11:48:52.187 WARN 7316 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController': Unsatisfied dependency expressed through field 'userRepository'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.example.repository.UserRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
Description:
Field userRepository in com.example.controller.UserController required a bean of type 'com.example.repository.UserRepository' that could not be found.
Action:
Consider defining a bean of type 'com.example.repository.UserRepository' in your configuration.
Application.properties
spring.data.mongodb.host=localhost
spring.data.mongodb.port=27017
spring.data.mongodb.database=example
UserRepository interface
package com.example.repository;
import org.springframework.data.mongodb.repository.MongoRepository;
import com.example.model.User;
public interface UserRepository extends MongoRepository<User, String>{
public User findOneByName(String name);
}
Here is my controller
#RestController
#RequestMapping("/user/")
public class UserController {
#Autowired
public UserRepository userRepository;
#RequestMapping(method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE)
public void create(#RequestBody User user){
userRepository.save(user);
}
}
Try adding #EnableMongoRepositories(basePackages="com.example.repository") at the Start class.
Instead of MongoRepository, I tried CrudRepository interface. Its working fine.
I am just starting with spring security, and I got a problem when trying to use database for users.
This is where I implemented WebApplicationInitializer:
public class AppInit implements WebApplicationInitializer{
public void onStartup(ServletContext servletContext) throws ServletException {
// TODO Auto-generated method stub
AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
context.register(AppConfiguration.class);
ServletRegistration.Dynamic registration =
servletContext.addServlet("dispatcher", new DispatcherServlet(context));
registration.setLoadOnStartup(1);
registration.addMapping("/services/rest/*");
}
}
AppConfiguration class
#Configuration
#EnableWebMvc
#ComponentScan(basePackages = "glavni")
public class AppConfiguration {
}
I have SecurityWebApplicationInitializer class
public class SecurityWebApplicationInitializer
extends AbstractSecurityWebApplicationInitializer {
}
and SecurityConfiguration class
#Configuration
#EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
#Autowired
DBConnection conn;
#Autowired
public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
// auth.inMemoryAuthentication().withUser("user").password("password").roles("USER");
auth.jdbcAuthentication().dataSource(conn.initializeDataSource())
.usersByUsernameQuery("select username, password from user where username=?")
.authoritiesByUsernameQuery("select user_id, authority from authorization where user_id=?");
}
}
This worked fine with inMemoryAuthentication(), the line in configureGlobal method that I commented. But when I try to use database I get errors.
I made autowired field conn, from which I can get dataSource object configured with Hikari connection pool.
I get this error:
`org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfiguration': Unsatisfied dependency expressed through field 'conn'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'glavni.db.DBConnection' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:540)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:138)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1183)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:992)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4903)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5213)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'glavni.db.DBConnection' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1486)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585)
... 28 more
Jul 17, 2017 12:02:16 PM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet [dispatcher] in web application [/trcanje] threw load() exception
org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'glavni.db.DBConnection' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1486)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:540)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:138)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1183)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:992)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4903)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5213)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoERROR [localhost-startStop-1] (FrameworkServlet.java:502) - Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfiguration': Unsatisfied dependency expressed through field 'conn'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'glavni.db.DBConnection' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)`
Configure datasource in your AppConfiguration class like this
#Configuration
#EnableTransactionManager
#ComponentScan(basePackages = "glavni")
public class AppConfiguration {
#Bean
public DataSource dataSource(){
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
dataSource.setUrl("jdbc:mysql://localhost:3306/your-database-name");
dataSource.setUsername( "database-username" );
dataSource.setPassword( "database-username" );
return dataSource;
}
}
Note: DriverClassName and Url values are for MySQL. You may change this depending on the database you are using.
Finally, autowire the datasource in your SecurityConfiguration class like this
#Configuration
#EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
#Autowired
private DataSource dataSource;
#Autowired
public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
// auth.inMemoryAuthentication().withUser("user").password("password").roles("USER");
auth.jdbcAuthentication().dataSource(dataSource)
.usersByUsernameQuery("select username, password from user where username=?")
.authoritiesByUsernameQuery("select user_id, authority from authorization where user_id=?");
}
}
The only thing I was missing was spring-jdbc dependancy.
I have tried this solution found in the following questions, but none work in my case:
#Configuration
#EnableWebMvc
#ComponentScan("myapp.framework.export")
public class WebConfig extends MyAppWebConfig {
#Override
public void configureContentNegotiation(final ContentNegotiationConfigurer configurer) {
super.configureContentNegotiation(configurer);
}
#Override
public void configureMessageConverters(final List<HttpMessageConverter<?>> converters) {
super.configureMessageConverters(converters);
}
}
Error:
INFO: Initializing Spring FrameworkServlet 'services-rest'
2017-04-11 15:25:52,774|localhost-startStop-1|NO_TID|NO_USER|ERROR|org.springframework.web.servlet.DispatcherServlet.initServletBean|Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xlsHttpMessageConverter': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'myapp.framework.export.ExportXlsModelService<?>[]' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#javax.annotation.Resource(shareable=true, lookup=, name=, description=, authenticationType=CONTAINER, type=class java.lang.Object, mappedName=)}
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:321)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:138)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1241)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1154)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1041)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4969)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5255)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'myapp.framework.export.ExportXlsModelService<?>[]' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#javax.annotation.Resource(shareable=true, lookup=, name=, description=, authenticationType=CONTAINER, type=class java.lang.Object, mappedName=)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1486)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:518)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:496)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:627)
at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:169)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:318)
... 29 common frames omitted
Apr 11, 2017 3:25:52 PM org.apache.catalina.core.ApplicationContext log
SEVERE: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xlsHttpMessageConverter': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'myapp.framework.export.ExportXlsModelService<?>[]' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#javax.annotation.Resource(shareable=true, lookup=, name=, description=, authenticationType=CONTAINER, type=class java.lang.Object, mappedName=)}
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:321)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:138)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1241)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1154)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1041)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4969)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5255)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'myapp.framework.export.ExportXlsModelService<?>[]' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#javax.annotation.Resource(shareable=true, lookup=, name=, description=, authenticationType=CONTAINER, type=class java.lang.Object, mappedName=)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1486)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:518)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:496)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:627)
at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:169)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:318)
... 29 more
Apr 11, 2017 3:25:52 PM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /myapp threw load() exception
org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'myapp.framework.export.ExportXlsModelService<?>[]' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {#javax.annotation.Resource(shareable=true, lookup=, name=, description=, authenticationType=CONTAINER, type=class java.lang.Object, mappedName=)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1486)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:518)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:496)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:627)
at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:169)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:318)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:138)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1241)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1154)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1041)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4969)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5255)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Apr 11, 2017 3:25:52 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-nio-8080"]
Apr 11, 2017 3:25:52 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-nio-8009"]
Apr 11, 2017 3:25:52 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 10565 ms
xlsHttpMessageConverter:
package myapp.framework.web.converter;
import myapp.framework.export.ExportXlsModelService;
import java.io.IOException;
import java.io.OutputStream;
import javax.annotation.Resource;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.springframework.http.converter.HttpMessageNotWritableException;
import org.springframework.stereotype.Service;
#Service
public class XlsHttpMessageConverter<T> extends
AbstractMyAppHttpMessageConverter<T, ExportXlsModelService<T>> {
#Resource
private ExportXlsModelService<T>[] exportServices;
public XlsHttpMessageConverter() {
super(MyAppMediaType.APPLICATION_EXCEL);
}
#Override
protected void ecrireFichier(final T toExport, final OutputStream os) throws IOException,
HttpMessageNotWritableException {
final ExportXlsModelService<T> exportService = getServiceExport(toExport);
final HSSFWorkbook model = exportService.construireXlsModel(toExport);
model.write(os);
}
#Override
protected ExportXlsModelService<T>[] getServicesExport() {
return exportServices;
}
}
Try to add classpath*: Prefix to your scan. (read here)
The * means scan in all jars on classpath
UPDATE:
Your converter has package myapp.framework.web.converter but scan checks myapp.framework.export
I think there is issue in autowiring as Generic class.
We have to specify particular Type while autowiring.
Following Reference may be useful:
Reference1
Reference2
You can't have a #Service that has a type parameter T, how would Spring know what T should be when it instantiates the bean.
If you have 5 different XlsHttpMessageConverter<T>, you have to declare 5 beans. Unfortunately even if you define each converter as a separate bean, there is no way for Spring to know which ExportXlsModelService<T>[] exportServices; to inject, as it will consider all ExportXlsModelService as candidate regardless of the type parameter (see edit below).
It is however possible to inject a bean of a specific type into a #Bean method, so the following example works (but is very impractical for large number of types).
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.List;
import static org.junit.Assert.assertNotNull;
#Configuration
public class MyConfig {
public static void main(String[] args) {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(MyConfig.class);
ConverterInjectionTarget bean = ctx.getBean(ConverterInjectionTarget.class);
System.out.println("injected Converters = " + bean.converters.size());
for (XlsHttpMessageConverter converter : bean.converters) {
assertNotNull(converter.value);
}
}
// correct version of generic bean can be autowired into #Bean method
#Bean
XlsHttpMessageConverter integerConverter(Injectable<Integer> value) {
return new XlsHttpMessageConverter<>(value);
}
#Bean
XlsHttpMessageConverter StringConverter(Injectable<String> value) {
return new XlsHttpMessageConverter<String>(value);
}
#Bean
Injectable<Integer> integerDummyBean() {
return new Injectable<>(1);
}
#Bean
Injectable<String> stringDummyBean() {
return new Injectable<>("hello");
}
#Bean
ConverterInjectionTarget myBean() {
return new ConverterInjectionTarget();
}
static class XlsHttpMessageConverter<T> {
// impossible to autowire this, it has to be set through the constructor
final Injectable<T> value;
XlsHttpMessageConverter(Injectable<T> value) {
this.value = value;
}
}
static class ConverterInjectionTarget {
#Autowired
List<XlsHttpMessageConverter> converters;
}
class Injectable<T> {
final T value;
Injectable(T value) {
this.value = value;
}
}
}
If you modify the example and try to autowire the Injectable into XlsHttpMessageConverter you will see that it fails.
The best solution may be to create a BeanFactoryPostProcessor that will create all the ExportXlsModelService instances programmatically, and provide them as input to the XlsHttpMessageConverter instances, which are then registered as singletons.
EDIT
One thing I did not mention, is that it is possible to autowire a generic type, but it requires that the bean is defined as a concrete class (not using a #Bean method), so the following would also work (multiple files).
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import java.util.List;
import static org.junit.Assert.assertNotNull;
#Configuration
#ComponentScan("myPackage")
public class MyConfig {
public static void main(String[] args) {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(MyConfig.class);
ConverterInjectionTarget bean = ctx.getBean(ConverterInjectionTarget.class);
System.out.println("injected Converters = " + bean.converters.size());
for (XlsHttpMessageConverter converter : bean.converters) {
assertNotNull(converter.value);
}
}
#Bean
Injectable<Integer> integerDummyBean() {
return new Injectable<>(1);
}
#Bean
Injectable<String> stringDummyBean() {
return new Injectable<>("hello");
}
#Bean
ConverterInjectionTarget myBean() {
return new ConverterInjectionTarget();
}
static class ConverterInjectionTarget {
#Autowired
List<XlsHttpMessageConverter> converters;
}
static class Injectable<T> {
final T value;
Injectable(T value) {
this.value = value;
}
}
}
abstract class XlsHttpMessageConverter<T> {
// this is possible to autowire because we have a concrete class that spring can read the bytecode from.
#Autowired
MyConfig.Injectable<T> value;
}
#Service
public class IntegerXlsHttpMessageConverter<T> extends XlsHttpMessageConverter<Integer> {
}
#Service
public class StringXlsHttpMessageConverter extends XlsHttpMessageConverter<String> {
}
But again this may not be feasible if there are many types.
Here is my Error, I'm going to connect multiple mysql DB's. For one DB it is works perfectly. Then I tried for 2 DB's, but I'm getting an error.Please help me to sort out this issue.
Seems my changes for multiple DB is wrong :-\
ERROR
ec 10, 2015 10:23:06 PM org.springframework.web.context.support.AnnotationConfigWebApplicationContext loadBeanDefinitions
INFO: Found 4 annotated classes in package [net.codejava.spring]
Dec 10, 2015 10:23:07 PM org.springframework.web.servlet.DispatcherServlet initServletBean
SEVERE: Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'homeController': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private net.codejava.spring.dao.ContactDAO net.codejava.spring.controller.HomeController.contactDAO; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [net.codejava.spring.dao.ContactDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:292)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1185)
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private net.codejava.spring.dao.ContactDAO net.codejava.spring.controller.HomeController.contactDAO; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [net.codejava.spring.dao.ContactDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:508)
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [net.codejava.spring.dao.ContactDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1103)
Dec 10, 2015 10:23:07 PM org.apache.catalina.core.ApplicationContext log
SEVERE: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'homeController': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private net.codejava.spring.dao.ContactDAO net.codejava.spring.controller.HomeController.contactDAO; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [net.codejava.spring.dao.ContactDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:292)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1185)
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private net.codejava.spring.dao.ContactDAO net.codejava.spring.controller.HomeController.contactDAO; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [net.codejava.spring.dao.ContactDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:508)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [net.codejava.spring.dao.ContactDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1103)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:963)
Dec 10, 2015 10:23:07 PM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /SpringMvcJdbcTemplate threw load() exception
org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [net.codejava.spring.dao.ContactDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {#org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1103)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:963)
Here is my Controller Class
#Controller
public class HomeController {
#Autowired
private ContactDAO contactDAO;
#Autowired
private ContactDAO2 contactDAO2;
#RequestMapping(value = "/")
public ModelAndView listContact(ModelAndView model) throws IOException {
List<Contact> listContact = contactDAO.list();
model.addObject("listContact", listContact);
model.setViewName("home");
return model;
}
Here is my DAO Class#01
public interface ContactDAO {
public void saveOrUpdate(Contact contact);
Here is my DAO Class#02
public interface ContactDAO2 {
public void saveOrUpdate(Contact contact);
Here is my DAOImpl Class
public class ContactDAO2Impl implements ContactDAO2 {
#Autowired
#Qualifier("jdbcItems")
private JdbcTemplate jdbcTemplate;
public ContactDAO2Impl(DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
}
#Override
public void saveOrUpdate(Contact contact) {
if (contact.getId() > 0) {
// update
String sql = "UPDATE contact SET name=?, email=?, address=?, "
+ "telephone=? WHERE contact_id=?";
jdbcTemplate.update(sql, contact.getName(), contact.getEmail(),
contact.getAddress(), contact.getTelephone(), contact.getId());
}
Here is my another DAOImpl class
public class ContactDAOImpl implements ContactDAO {
#Autowired
#Qualifier("jdbcUsers")
private JdbcTemplate jdbcTemplate;
public ContactDAOImpl(DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
}
#Override
public void saveOrUpdate(Contact contact) {
if (contact.getId() > 0) {
// update
String sql = "UPDATE contact SET name=?, email=?, address=?, "
+ "telephone=? WHERE contact_id=?";
jdbcTemplate.update(sql, contact.getName(), contact.getEmail(),
contact.getAddress(), contact.getTelephone(), contact.getId());
}
Below shows my config classes
config#01
#Configuration
#ComponentScan(basePackages="net.codejava.spring")
#EnableWebMvc
public class MvcConfiguration extends WebMvcConfigurerAdapter{
#Bean
public ViewResolver getViewResolver(){
InternalResourceViewResolver resolver = new InternalResourceViewResolver();
resolver.setPrefix("/WEB-INF/views/");
resolver.setSuffix(".jsp");
return resolver;
}
#Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}
}
config#02
#Configuration
public class DatabaseItemsConfig {
#Bean(name = "jdbcItems")
public JdbcTemplate jdbcTemplate(DataSource dsItems) {
return new JdbcTemplate(dsItems);
}
#Bean(name = "dsItems")
public DataSource getDataSource() {
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName("com.mysql.jdbc.Driver");
dataSource.setUrl("jdbc:mysql://localhost:3306/test");
dataSource.setUsername("root");
dataSource.setPassword("321");
return dataSource;
}
}
config#03
#Configuration
public class DatabaseUsersConfig {
#Bean(name = "jdbcUsers")
public JdbcTemplate jdbcTemplate(DataSource dsUsers) {
return new JdbcTemplate(dsUsers);
}
#Bean(name = "dsUsers")
public DataSource getDataSource() {
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName("com.mysql.jdbc.Driver");
dataSource.setUrl("jdbc:mysql://localhost:3306/test2");
dataSource.setUsername("root");
dataSource.setPassword("321");
return dataSource;
}
}
EDIT
whole project uploaded with source Code
Click here to see & get my whole project code
You have many problems in the wiring .. to fix that :
Remove ( from ContactDAOImpl )
#Autowired
#Qualifier("jdbcUsers")
And ( from ContactDAO2Impl )
#Autowired
#Qualifier("jdbcItems")
And
#Bean(name = "jdbcItems")
public JdbcTemplate jdbcTemplate(DataSource dsItems) {
return new JdbcTemplate(dsItems);
}
And
#Bean(name = "jdbcUsers")
public JdbcTemplate jdbcTemplate(DataSource dsUsers) {
return new JdbcTemplate(dsUsers);
}
Then replace
public ContactDAO2Impl(DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
}
By
public ContactDAO2Impl(#Qualifier("dsItems") DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
}
And replace
public ContactDAOImpl(DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
}
By
public ContactDAOImpl(#Qualifier("dsUsers") DataSource dataSource) {
jdbcTemplate = new JdbcTemplate(dataSource);
}