No qualifying bean of type 'com.funo.oa.dao.PostDao' available问题解决：找不到dao的实现类

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'postServiceImpl': Injection of resource dependencies failed; nested exception isorg.springframework.beans.factory.NoSuchBeanDefinitionException:
No qualifying bean of type 'com.funo.oa.dao.PostDao' 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=)}

14:31:48,586  INFO SessionFactoryImpl:805 - closing

14:31:48,590 ERROR ContextLoader:350 - Context initialization failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'postServiceImpl': Injection of resource dependencies failed; nested exception isorg.springframework.beans.factory.NoSuchBeanDefinitionException:
No qualifying bean of type 'com.funo.oa.dao.PostDao' 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:867)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)

at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)

at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4853)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1092)

at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1834)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

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 'com.funo.oa.dao.PostDao' 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: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.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)

... 26 more

九月 19, 2017 2:31:48 下午 org.apache.catalina.core.StandardContext listenerStart

严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'postServiceImp
4000
l': Injection of resource dependencies failed; nested exception isorg.springframework.beans.factory.NoSuchBeanDefinitionException:
No qualifying bean of type 'com.funo.oa.dao.PostDao' 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:867)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)

at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)

at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4853)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1092)

at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1834)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

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 'com.funo.oa.dao.PostDao' 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: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.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)

... 26 more

 

九月 19, 2017 2:31:48 下午 org.apache.catalina.core.StandardContext startInternal

严重: One or more listeners failed to start. Full details will be found in the appropriate container log file

九月 19, 2017 2:31:48 下午 org.apache.catalina.core.StandardContext startInternal

严重: Context [/MyOASystem] startup failed due to previous errors

九月 19, 2017 2:31:48 下午 org.apache.catalina.core.ApplicationContext log

信息: Closing Spring root WebApplicationContext

九月 19, 2017 2:31:48 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesJdbc

警告: The web application [MyOASystem] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak,
the JDBC Driver has been forcibly unregistered.

九月 19, 2017 2:31:48 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads

警告: The web application [MyOASystem] appears to have started a thread named [Timer-0] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:

 java.lang.Object.wait(Native Method)

 java.util.TimerThread.mainLoop(Timer.java:552)

 java.util.TimerThread.run(Timer.java:505)

九月 19, 2017 2:31:48 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads

警告: The web application [MyOASystem] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very
likely to create a memory leak. Stack trace of thread:

 java.lang.Object.wait(Native Method)

 com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534)

九月 19, 2017 2:31:48 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads

警告: The web application [MyOASystem] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very
likely to create a memory leak. Stack trace of thread:

 java.lang.Object.wait(Native Method)

 com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534)

九月 19, 2017 2:31:48 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads

警告: The web application [MyOASystem] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] but has failed to stop it. This is very
likely to create a memory leak. Stack trace of thread:

 java.lang.Object.wait(Native Method)

 com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534)

九月 19, 2017 2:31:48 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads

警告: The web application [MyOASystem] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory
leak. Stack trace of thread:

 java.lang.Object.wait(Native Method)

 java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)

 com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:64)

 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

 java.lang.Thread.run(Thread.java:745)

九月 19, 2017 2:31:48 下午 org.apache.catalina.startup.HostConfig deployDirectory

信息: Deployment of web application directory G:\apache-tomcat-8.0.42\webapps\MyOASystem has finished in 4,434 ms

九月 19, 2017 2:31:52 下午 org.apache.catalina.loader.WebappClassLoaderBase checkStateForResourceLoading

信息: Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to
terminate the thread which caused the illegal access.

java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging
purposes as well as to attempt to terminate the thread which caused the illegal access.

at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1353)

at org.apache.catalina.loader.WebappClassLoaderBase.getResource(WebappClassLoaderBase.java:1029)

at com.mysql.jdbc.AbandonedConnectionCleanupThread.checkContextClassLoaders(AbandonedConnectionCleanupThread.java:90)

at com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:63)

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)

问题解决:（1）实现类的名称已存在，修改名称

   （2）一个借口有多个实现类，程序不知道选择哪一个