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Injection of resource dependencies failed in spring boot test

Something needs to tell Spring where to find your @Service beans in order to wire them up. You have told Spring how to find your ConsumerService bean via

@SpringBootTest(classes = ConsumerService.class)

and you told Spring how to find MyCoolConfig via

@ContextConfiguration(classes = {MyCoolConfig.class})

But there is nothing telling Spring how to find CoolTransformer .

One way to accomplish this is with a @ComponentScan annotation. That annotation typically goes on a @Configuration bean, so you might put it on MyCoolConfig with a package to scan, like so:

@Configuration @ComponentScan(“com.foo”) public class MyCoolConfig {

As long as CoolTransformer is somewhere under the com.foo package, Spring will find it and wire it up.

If ConsumerService is also under com.foo , it will also get scanned, so you don’t need to specify it either.

Finally, since MyCoolConfig is now the entrypoint to all your other beans, you can simplify your integration test’s annotations to:

Error creating bean with name ‘adminMapper‘ Injection of resource dependencies failed

Project scenario:

springboot project, unable to create bean object and inject dependency

Problem Description:

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘adminService’: Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘adminMapper’ defined in file [E:\IdeaCode\toyrentalplatform\target\classes\cn\gestwr\toy\dao\AdminMapper.class]: Unsatisfied dependency expressed through bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.BeanCreationException:

Cause analysis:

It is the configuration file application Properties

Solution:

the configuration options of the configuration file are wrong, for example, the following configuration is added and an error is reported

mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl

In the properties file, the color of this configuration is different from that of other configurations. The correct one is light green

Note the format of the YML configuration file

Read More:

Spring Boot – Injection of resource dependencies failed, was actually of type ‘com.sun.proxy.$Proxy

I’ve encountered a rather tricky bug while injecting a dependency in a Spring Boot application:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Error creating bean with name ‘be.solidsyntax.ConsumingService’ : Injection of resourcedependencies failed; nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named ‘dependency’ is expected to be of type ‘be.solidsyntax.Dependency’ but was actually of type ‘com.sun.proxy.$Proxy121’ at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor .postProcessProperties(CommonAnnotationBeanPostProcessor.java:324) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory .populateBean(AbstractAutowireCapableBeanFactory.java:1411) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory .autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:391) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener .injectDependencies(DependencyInjectionTestExecutionListener.java:119) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener .prepareTestInstance(DependencyInjectionTestExecutionListener.java:83) at org.springframework.boot.test.autoconfigure .SpringBootDependencyInjectionTestExecutionListener .prepareTestInstance(SpringBootDependencyInjectionTestExecutionListener.java:44)

In most cases this exception is caused by injecting a bean which was enhanced by a Spring aspect into a field referencing an implementation instead on an interface. This was not the case in my setup.

The setup

We have an Interface:

1 2 3 4 package be.solidsyntax; public interface Dependency { }

A service implementing the interface:

1 2 3 4 5 6 7 package be.solidsyntax; import org.springframework.stereotype.Service; (“dependency”) public class DependencyImpl implements Dependency { }

And a service injecting the interface as a dependency:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 package be.solidsyntax; import org.springframework.stereotype.Service; import javax.annotation.Resource; public class ConsumingService { private Dependency dependency; public ConsumingService() { } }

At no point are we trying to inject a concrete class (DependencyImpl) instead on an interface (Dependency), so this couldn’t have been the problem.

The solution

It turns out the problem lies with the @Resource annotation. There are some (subtle) differences between injecting dependencies with @Resource and @Autowired.

To quote the Spring reference guide:

@Resource is semantically defined to identify a specific target component by its unique name, with the declared type being irrelevant for the matching process. @Autowired has rather different semantics: After selecting candidate beans by type, the specified String qualifier value is considered within those type-selected candidates only.

In short:

@Resource tries to inject a bean named ‘dependency’, which in this setup is of type DependencyImpl

@Autowired tries to inject a bean with type ‘Dependency’, of which we have one: DependencyImpl

So you have finished reading the injection of resource dependencies failed topic article, if you find this article useful, please share it. Thank you very much. See more: injection of autowired dependencies failed, injection of autowired dependencies failed; nested exception is java lang illegalargumentexception, error creating bean with name, beanfactory has not been injected into @configuration class, constructor threw exception; nested exception is java lang nullpointerexception, error creating bean with name invocation of init method failed, org springframework beans factory beancreationexception how to resolve, error creating bean with name spring boot

Top 33 Injection Of Resource Dependencies Failed The 172 Top Answers

java – Injection of resource dependencies failed in spring boot test – Stack Overflow

Error creating bean with name ‘adminMapper‘ Injection of resource dependencies failed | ProgrammerAH

Spring Boot – Injection of resource dependencies failed, was actually of type ‘com.sun.proxy.$Proxy | Solid Syntax

Error creating bean with name ‘***’: Injection of resource dependencies failed，Bean named ‘redisService’ is expected to be of type_mb5fe559d8b9ae4的技术博客_51CTO博客

Error creating bean with name ‘barchService’: Injection of resource dependencies failed – actorsfit

Injection of resource dependencies failed in spring boot test

Error creating bean with name ‘adminMapper‘ Injection of resource dependencies failed

Spring Boot – Injection of resource dependencies failed, was actually of type ‘com.sun.proxy.$Proxy

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