Spring+myibatis 使用junit4 测试 Error creating bean with name

ERROR 2013-03-24 10:45:34,962 main org.springframework.test.context.TestContextManager - Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@77eaf8] to prepare test instance [com.shl.test.SpringAnnotationTransactionalTest@e35bb7]

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.shl.test.SpringAnnotationTransactionalTest': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: com.shl.dao.impl.CodeTableImpl com.shl.test.SpringAnnotationTransactionalTest.code; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [com.shl.dao.impl.CodeTableImpl] 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:285)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1074)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:374)

at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:110)

at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75)

at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:321)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:220)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:301)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:303)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)

at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)

at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)

at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)

at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)

at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)

at org.junit.runners.ParentRunner.run(ParentRunner.java:220)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)

at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:38)

at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)

Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: com.shl.dao.impl.CodeTableImpl com.shl.test.SpringAnnotationTransactionalTest.code; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [com.shl.dao.impl.CodeTableImpl] 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:502)

at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:84)

at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:282)

... 26 more

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [com.shl.dao.impl.CodeTableImpl] 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:920)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:789)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:703)

at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:474)

... 28 more

 

使用测试事务的时候报这个错

autowire异常的三个情况

 

autowire异常主要由三个情况发生的

 

1。你的CodeTableImpl必须以@Service或@Component注解才行。

2。自动写入的时候把接口写成实现类了 

@Autowired

private CodeTableImpl code;  如果不是用@Transactional 这个就能注入成功。

加入事务使用的cglib 代理 使用的接口编程，所以注入的时候会报错
@Autowired 

private ICodeTable code; 改成接口就正确了

3.在CodeTableDao类上加上@Repository注解