{@org.springframework.beans.factory.annotation.Autowired(required=true)} ERROR: org.springframework.

其他 2018-12-31 09:30:59 阅读次数: 0

INFO : org.springframework.web.servlet.DispatcherServlet - Initializing Servlet ‘springmvc’
WARN : org.springframework.web.context.support.XmlWebApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘computerController’: Unsatisfied dependency expressed through field ‘cs’; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type ‘com.spring.mvc.service.ComputerService’ available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
ERROR: org.springframework.web.servlet.DispatcherServlet - Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘computerController’: Unsatisfied dependency expressed through field ‘cs’; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type ‘com.spring.mvc.service.ComputerService’ 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 A u t o w i r e d F i e l d E l e m e n t . i n j e c t ( A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 596 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . I n j e c t i o n M e t a d a t a . i n j e c t ( I n j e c t i o n M e t a d a t a . j a v a : 90 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r . p o s t P r o c e s s P r o p e r t i e s ( A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 374 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . p o p u l a t e B e a n ( A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 1378 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . d o C r e a t e B e a n ( A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 575 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . c r e a t e B e a n ( A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 498 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . l a m b d a AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1378) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:575) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda doGetBean 0 ( A b s t r a c t B e a n F a c t o r y . j a v a : 320 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t S i n g l e t o n B e a n R e g i s t r y . g e t S i n g l e t o n ( D e f a u l t S i n g l e t o n B e a n R e g i s t r y . j a v a : 222 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . d o G e t B e a n ( A b s t r a c t B e a n F a c t o r y . j a v a : 318 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . g e t B e a n ( A b s t r a c t B e a n F a c t o r y . j a v a : 199 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . p r e I n s t a n t i a t e S i n g l e t o n s ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 846 ) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . s u p p o r t . A b s t r a c t A p p l i c a t i o n C o n t e x t . f i n i s h B e a n F a c t o r y I n i t i a l i z a t i o n ( A b s t r a c t A p p l i c a t i o n C o n t e x t . j a v a : 863 ) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . s u p p o r t . A b s t r a c t A p p l i c a t i o n C o n t e x t . r e f r e s h ( A b s t r a c t A p p l i c a t i o n C o n t e x t . j a v a : 546 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . c o n f i g u r e A n d R e f r e s h W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 696 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . c r e a t e W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 662 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . c r e a t e W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 710 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . i n i t W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 587 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . i n i t S e r v l e t B e a n ( F r a m e w o r k S e r v l e t . j a v a : 526 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . H t t p S e r v l e t B e a n . i n i t ( H t t p S e r v l e t B e a n . j a v a : 169 ) a t j a v a x . s e r v l e t . G e n e r i c S e r v l e t . i n i t ( G e n e r i c S e r v l e t . j a v a : 158 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d W r a p p e r . i n i t S e r v l e t ( S t a n d a r d W r a p p e r . j a v a : 1124 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d W r a p p e r . l o a d S e r v l e t ( S t a n d a r d W r a p p e r . j a v a : 1079 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d W r a p p e r . l o a d ( S t a n d a r d W r a p p e r . j a v a : 971 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . l o a d O n S t a r t u p ( S t a n d a r d C o n t e x t . j a v a : 4829 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . s t a r t I n t e r n a l ( S t a n d a r d C o n t e x t . j a v a : 5143 ) a t o r g . a p a c h e . c a t a l i n a . u t i l . L i f e c y c l e B a s e . s t a r t ( L i f e c y c l e B a s e . j a v a : 183 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . r e l o a d ( S t a n d a r d C o n t e x t . j a v a : 3716 ) a t o r g . a p a c h e . c a t a l i n a . l o a d e r . W e b a p p L o a d e r . b a c k g r o u n d P r o c e s s ( W e b a p p L o a d e r . j a v a : 291 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . b a c k g r o u n d P r o c e s s ( S t a n d a r d C o n t e x t . j a v a : 5465 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e 0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:846) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:863) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546) at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:696) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:662) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:710) at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:587) at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:526) at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:169) at javax.servlet.GenericServlet.init(GenericServlet.java:158) at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1124) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1079) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:971) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4829) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5143) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3716) at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:291) at org.apache.catalina.core.StandardContext.backgroundProcess(StandardContext.java:5465) at org.apache.catalina.core.ContainerBase ContainerBackgroundProcessor.processChildren(ContainerBase.java:1401)
at org.apache.catalina.core.ContainerBase C o n t a i n e r B a c k g r o u n d P r o c e s s o r . p r o c e s s C h i l d r e n ( C o n t a i n e r B a s e . j a v a : 1405 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e ContainerBackgroundProcessor.processChildren(ContainerBase.java:1405) at org.apache.catalina.core.ContainerBase ContainerBackgroundProcessor.processChildren(ContainerBase.java:1405)
at org.apache.catalina.core.ContainerBase C o n t a i n e r B a c k g r o u n d P r o c e s s o r . r u n ( C o n t a i n e r B a s e . j a v a : 1373 ) a t j a v a . l a n g . T h r e a d . r u n ( U n k n o w n S o u r c e ) C a u s e d b y : o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . N o S u c h B e a n D e f i n i t i o n E x c e p t i o n : N o q u a l i f y i n g b e a n o f t y p e ′ c o m . s p r i n g . m v c . s e r v i c e . C o m p u t e r S e r v i c e ′ a v a i l a b l e : e x p e c t e d a t l e a s t 1 b e a n w h i c h q u a l i f i e s a s a u t o w i r e c a n d i d a t e . D e p e n d e n c y a n n o t a t i o n s : @ o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . A u t o w i r e d ( r e q u i r e d = t r u e ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . r a i s e N o M a t c h i n g B e a n F o u n d ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 1646 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . d o R e s o l v e D e p e n d e n c y ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 1205 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . r e s o l v e D e p e n d e n c y ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 1166 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r ContainerBackgroundProcessor.run(ContainerBase.java:1373) at java.lang.Thread.run(Unknown Source) Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.spring.mvc.service.ComputerService' 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:1646) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1205) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1166) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593)
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十二月 14, 2018 7:22:49 下午 org.apache.catalina.core.ApplicationContext log
严重: StandardWrapper.Throwable
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘computerController’: Unsatisfied dependency expressed through field ‘cs’; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type ‘com.spring.mvc.service.ComputerService’ 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 A u t o w i r e d F i e l d E l e m e n t . i n j e c t ( A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 596 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . I n j e c t i o n M e t a d a t a . i n j e c t ( I n j e c t i o n M e t a d a t a . j a v a : 90 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r . p o s t P r o c e s s P r o p e r t i e s ( A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 374 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . p o p u l a t e B e a n ( A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 1378 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . d o C r e a t e B e a n ( A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 575 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . c r e a t e B e a n ( A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 498 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . l a m b d a AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1378) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:575) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda doGetBean 0 ( A b s t r a c t B e a n F a c t o r y . j a v a : 320 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t S i n g l e t o n B e a n R e g i s t r y . g e t S i n g l e t o n ( D e f a u l t S i n g l e t o n B e a n R e g i s t r y . j a v a : 222 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . d o G e t B e a n ( A b s t r a c t B e a n F a c t o r y . j a v a : 318 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . g e t B e a n ( A b s t r a c t B e a n F a c t o r y . j a v a : 199 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . p r e I n s t a n t i a t e S i n g l e t o n s ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 846 ) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . s u p p o r t . A b s t r a c t A p p l i c a t i o n C o n t e x t . f i n i s h B e a n F a c t o r y I n i t i a l i z a t i o n ( A b s t r a c t A p p l i c a t i o n C o n t e x t . j a v a : 863 ) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . s u p p o r t . A b s t r a c t A p p l i c a t i o n C o n t e x t . r e f r e s h ( A b s t r a c t A p p l i c a t i o n C o n t e x t . j a v a : 546 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . c o n f i g u r e A n d R e f r e s h W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 696 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . c r e a t e W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 662 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . c r e a t e W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 710 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . i n i t W e b A p p l i c a t i o n C o n t e x t ( F r a m e w o r k S e r v l e t . j a v a : 587 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . i n i t S e r v l e t B e a n ( F r a m e w o r k S e r v l e t . j a v a : 526 ) a t o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . H t t p S e r v l e t B e a n . i n i t ( H t t p S e r v l e t B e a n . j a v a : 169 ) a t j a v a x . s e r v l e t . G e n e r i c S e r v l e t . i n i t ( G e n e r i c S e r v l e t . j a v a : 158 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d W r a p p e r . i n i t S e r v l e t ( S t a n d a r d W r a p p e r . j a v a : 1124 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d W r a p p e r . l o a d S e r v l e t ( S t a n d a r d W r a p p e r . j a v a : 1079 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d W r a p p e r . l o a d ( S t a n d a r d W r a p p e r . j a v a : 971 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . l o a d O n S t a r t u p ( S t a n d a r d C o n t e x t . j a v a : 4829 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . s t a r t I n t e r n a l ( S t a n d a r d C o n t e x t . j a v a : 5143 ) a t o r g . a p a c h e . c a t a l i n a . u t i l . L i f e c y c l e B a s e . s t a r t ( L i f e c y c l e B a s e . j a v a : 183 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . r e l o a d ( S t a n d a r d C o n t e x t . j a v a : 3716 ) a t o r g . a p a c h e . c a t a l i n a . l o a d e r . W e b a p p L o a d e r . b a c k g r o u n d P r o c e s s ( W e b a p p L o a d e r . j a v a : 291 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . b a c k g r o u n d P r o c e s s ( S t a n d a r d C o n t e x t . j a v a : 5465 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e 0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:846) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:863) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546) at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:696) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:662) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:710) at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:587) at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:526) at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:169) at javax.servlet.GenericServlet.init(GenericServlet.java:158) at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1124) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1079) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:971) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4829) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5143) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3716) at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:291) at org.apache.catalina.core.StandardContext.backgroundProcess(StandardContext.java:5465) at org.apache.catalina.core.ContainerBase ContainerBackgroundProcessor.processChildren(ContainerBase.java:1401)
at org.apache.catalina.core.ContainerBase C o n t a i n e r B a c k g r o u n d P r o c e s s o r . p r o c e s s C h i l d r e n ( C o n t a i n e r B a s e . j a v a : 1405 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e ContainerBackgroundProcessor.processChildren(ContainerBase.java:1405) at org.apache.catalina.core.ContainerBase ContainerBackgroundProcessor.processChildren(ContainerBase.java:1405)
at org.apache.catalina.core.ContainerBase C o n t a i n e r B a c k g r o u n d P r o c e s s o r . r u n ( C o n t a i n e r B a s e . j a v a : 1373 ) a t j a v a . l a n g . T h r e a d . r u n ( U n k n o w n S o u r c e ) C a u s e d b y : o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . N o S u c h B e a n D e f i n i t i o n E x c e p t i o n : N o q u a l i f y i n g b e a n o f t y p e ′ c o m . s p r i n g . m v c . s e r v i c e . C o m p u t e r S e r v i c e ′ a v a i l a b l e : e x p e c t e d a t l e a s t 1 b e a n w h i c h q u a l i f i e s a s a u t o w i r e c a n d i d a t e . D e p e n d e n c y a n n o t a t i o n s : @ o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . A u t o w i r e d ( r e q u i r e d = t r u e ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . r a i s e N o M a t c h i n g B e a n F o u n d ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 1646 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . d o R e s o l v e D e p e n d e n c y ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 1205 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . r e s o l v e D e p e n d e n c y ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 1166 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . A u t o w i r e d A n n o t a t i o n B e a n P o s t P r o c e s s o r ContainerBackgroundProcessor.run(ContainerBase.java:1373) at java.lang.Thread.run(Unknown Source) Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.spring.mvc.service.ComputerService' 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:1646) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1205) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1166) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593)
… 33 more
原因：没有在service的实现类中加@Service注解

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