org.springframework.beans.factory.BeanCreationException: Caused by: java.lang.IllegalStateException:

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分类专栏：报错项目启动不了文章标签： mysql springboot

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本文详细解析了一个关于Spring Boot项目中MySQL 8.0数据库连接失败的问题，核心在于驱动类名的误配。从错误日志出发，逐步定位到版本不匹配的根源，并给出了具体的解决方案，包括配置文件和pom.xml的修改建议。

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2019/07/30-16:35:41 ERROR [main] org.springframework.boot.SpringApplication - Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘accountController’: Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘accountService’: Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘accountMapper’ defined in file [E:\Git\Spring Boot project\JSH_ERP\target\classes\com\jsh\erp\datasource\mappers\AccountMapper.class]: Unsatisfied dependency expressed through bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Unsatisfied dependency expressed through method ‘sqlSessionFactory’ parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘dataSource’ defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration $H i k a r i . c l a s s] : B e a n i n s t a n t i a t i o n v i a f a c t o r y m e t h o d f a i l e d; n e s t e d e x c e p t i o n i s o r g . s p r i n g f r a m e w o r k . b e a n s . B e a n I n s t a n t i a t i o n E x c e p t i o n : F a i l e d t o i n s t a n t i a t e [c o m . z a x x e r . h i k a r i . H i k a r i D a t a S o u r c e] : F a c t o r y m e t h o d^{'} d a t a S o u r c e^{'} t h r e w e x c e p t i o n; n e s t e d e x c e p t i o n i s j a v a . l a n g . I l l e g a l S t a t e E x c e p t i o n : C a n n o t l o a d d r i v e r c l a s s : c o m . m y s q l . c j . j d b c . D r i v e r a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . p o s t P r o c e s s P r o p e r t y V a l u e s (C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 321) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . p o p u l a t e B e a n (A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 1344) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . d o C r e a t e B e a n (A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 582) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . c r e a t e B e a n (A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 502) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . l a m b d a$ doGetBean $KaTeX parse error: Expected 'EOF', got '\Git' at position 1672: …ned in file [E:\̲G̲i̲t̲\Spring Boot pr…$ Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method ‘dataSource’ threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:321)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1344)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean $0 (A b s t r a c t B e a n F a c t o r y . j a v a : 312) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t S i n g l e t o n B e a n R e g i s t r y . g e t S i n g l e t o n (D e f a u l t S i n g l e t o n B e a n R e g i s t r y . j a v a : 228) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . d o G e t B e a n (A b s t r a c t B e a n F a c t o r y . j a v a : 310) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . g e t B e a n (A b s t r a c t B e a n F a c t o r y . j a v a : 205) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . a u t o w i r e R e s o u r c e (C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 513) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . g e t R e s o u r c e (C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 484) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r$ ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:618)
at org.springframework.beans.factory.annotation.InjectionMetadata $KaTeX parse error: Expected 'EOF', got '\Git' at position 472: …ned in file [E:\̲G̲i̲t̲\Spring Boot pr…$ Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method ‘dataSource’ threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1439)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1326)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean $0 (A b s t r a c t B e a n F a c t o r y . j a v a : 312) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t S i n g l e t o n B e a n R e g i s t r y . g e t S i n g l e t o n (D e f a u l t S i n g l e t o n B e a n R e g i s t r y . j a v a : 228) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . d o G e t B e a n (A b s t r a c t B e a n F a c t o r y . j a v a : 310) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . g e t B e a n (A b s t r a c t B e a n F a c t o r y . j a v a : 205) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . a u t o w i r e R e s o u r c e (C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 513) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . g e t R e s o u r c e (C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 484) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r$ ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:618)
at org.springframework.beans.factory.annotation.InjectionMetadata $I n j e c t e d E l e m e n t . i n j e c t (I n j e c t i o n M e t a d a t a . j a v a : 177) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . a n n o t a t i o n . I n j e c t i o n M e t a d a t a . i n j e c t (I n j e c t i o n M e t a d a t a . j a v a : 91) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . a n n o t a t i o n . C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . p o s t P r o c e s s P r o p e r t y V a l u e s (C o m m o n A n n o t a t i o n B e a n P o s t P r o c e s s o r . j a v a : 318) . . . 30 c o m m o n f r a m e s o m i t t e d C a u s e d b y : o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . U n s a t i s f i e d D e p e n d e n c y E x c e p t i o n : E r r o r c r e a t i n g b e a n w i t h n a m e^{'} s q l S e s s i o n F a c t o r y^{'} d e f i n e d i n c l a s s p a t h r e s o u r c e [c o m / b a o m i d o u / m y b a t i s p l u s / a u t o c o n f i g u r e / M y b a t i s P l u s A u t o C o n f i g u r a t i o n . c l a s s] : U n s a t i s f i e d d e p e n d e n c y e x p r e s s e d t h r o u g h m e t h o d^{'} s q l S e s s i o n F a c t o r y^{'} p a r a m e t e r 0; n e s t e d e x c e p t i o n i s o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . B e a n C r e a t i o n E x c e p t i o n : E r r o r c r e a t i n g b e a n w i t h n a m e^{'} d a t a S o u r c e^{'} d e f i n e d i n c l a s s p a t h r e s o u r c e [o r g / s p r i n g f r a m e w o r k / b o o t / a u t o c o n f i g u r e / j d b c / D a t a S o u r c e C o n f i g u r a t i o n$ Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method ‘dataSource’ threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:729)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:470)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1250)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBeanHikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method ‘dataSource’ threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:587)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1250)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBeanHikari.dataSource(DataSourceConfiguration.java:81)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
… 70 common frames omitted
Disconnected from the target VM, address: ‘127.0.0.1:64224’, transport: ‘socket’