一定要注意配置文件，包名、路径问题

蔚落 2023-05-29 05:01 9阅读 0赞

一下问题：  
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## 解决方法，一般是都是包名错了。路径错了，一定要检查配置文件。记住我这句话。重点。 ##

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Error starting ApplicationContext. To display the auto-configuration report re-run your application with ‘debug’ enabled.  
2019-11-04 10:15:09.162 ERROR 20960 — \[ restartedMain\] o.s.boot.SpringApplication : Application startup failed

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘deptController’: Unsatisfied dependency expressed through field ‘deptService’; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘deptServiceImpl’: Unsatisfied dependency expressed through field ‘deptDao’; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘deptDao’ defined in file \[F:\\Code\\IdeaProjects\\PracticeALL\\SpringCloud2\\microservicecloud-provider-dept-8001\\target\\classes\\cn\\bubbletg\\springcloud\\dao\\DeptDao.class\]: Unsatisfied dependency expressed through bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource \[org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class\]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate \[org.apache.ibatis.session.SqlSessionFactory\]: Factory method ‘sqlSessionFactory’ threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘file \[F:\\Code\\IdeaProjects\\PracticeALL\\SpringCloud2\\microservicecloud-provider-dept-8001\\target\\classes\\mybatis\\mapper\\DeptMapper.xml\]’; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias ‘Dept’. Cause: java.lang.ClassNotFoundException: Cannot find class: Dept  
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractBeanFactoryKaTeX parse error: Undefined control sequence: \\Code at position 2856: …ned in file \[F:\\̲C̲o̲d̲e̲\\IdeaProjects\\P…AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractBeanFactory 1. g e t O b j e c t ( A b s t r a c t B e a n F a c t o r y . j a v a : 306 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 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 : 230 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 : 302 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 : 202 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . c o n f i g . D e p e n d e n c y D e s c r i p t o r . r e s o l v e C a n d i d a t e ( D e p e n d e n c y D e s c r i p t o r . j a v a : 208 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 : 1138 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 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 : 1066 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 1.getObject(AbstractBeanFactory.java:306) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor 1.getObject(AbstractBeanFactory.java:306) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessorAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
… 24 common frames omitted  
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘deptDao’ defined in file \[F:\\Code\\IdeaProjects\\PracticeALL\\SpringCloud2\\microservicecloud-provider-dept-8001\\target\\classes\\cn\\bubbletg\\springcloud\\dao\\DeptDao.class\]: Unsatisfied dependency expressed through bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource \[org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class\]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate \[org.apache.ibatis.session.SqlSessionFactory\]: Factory method ‘sqlSessionFactory’ threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘file \[F:\\Code\\IdeaProjects\\PracticeALL\\SpringCloud2\\microservicecloud-provider-dept-8001\\target\\classes\\mybatis\\mapper\\DeptMapper.xml\]’; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias ‘Dept’. Cause: java.lang.ClassNotFoundException: Cannot find class: Dept  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1357) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1249) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
at org.springframework.beans.factory.support.AbstractBeanFactory 1. g e t O b j e c t ( A b s t r a c t B e a n F a c t o r y . j a v a : 306 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 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 : 230 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 : 302 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 : 202 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . c o n f i g . D e p e n d e n c y D e s c r i p t o r . r e s o l v e C a n d i d a t e ( D e p e n d e n c y D e s c r i p t o r . j a v a : 208 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 : 1138 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 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 : 1066 )   \[ s p r i n g − b e a n s − 4.3.13. R E L E A S E . j a r : 4.3.13. R E L E A S E \] 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 . 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 1.getObject(AbstractBeanFactory.java:306) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor 1.getObject(AbstractBeanFactory.java:306) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) \[spring−beans−4.3.13.RELEASE.jar:4.3.13.RELEASE\]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessorAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585) ~\[spring-beans-4.3.13.RELEASE.jar:4.3.13.RELEASE\]  
… 37 common frames omitted