【记录】java.sql.SQLException: com.mysql.cj.jdbc.Driver异常
java.sql.SQLException: com.mysql.cj.jdbc.Driver
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:600) ~[druid-1.1.10.jar:1.1.10]
at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:817) ~[druid-1.1.10.jar:1.1.10]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_121]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_121]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_121]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1929) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1871) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1799) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]
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 : 323 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 222 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 321 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 276 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 1287 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 1207 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . C o n s t r u c t o r R e s o l v e r . r e s o l v e A u t o w i r e d A r g u m e n t ( C o n s t r u c t o r R e s o l v e r . j a v a : 874 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . C o n s t r u c t o r R e s o l v e r . c r e a t e A r g u m e n t A r r a y ( C o n s t r u c t o r R e s o l v e r . j a v a : 778 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . C o n s t r u c t o r R e s o l v e r . a u t o w i r e C o n s t r u c t o r ( C o n s t r u c t o r R e s o l v e r . j a v a : 226 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 . a u t o w i r e C o n s t r u c t o r ( 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 : 1358 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 I n s t a n c e ( 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 : 1204 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 : 557 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 : 517 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . l a m b d a 0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:874) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:778) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:226) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1358) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1204) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda 0(AbstractBeanFactory.java:323) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:874) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:778) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:226) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1358) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1204) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.lambdadoGetBean 0 ( A b s t r a c t B e a n F a c t o r y . j a v a : 323 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 222 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 321 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . C o n s t r u c t o r R e s o l v e r . i n s t a n t i a t e U s i n g F a c t o r y M e t h o d ( C o n s t r u c t o r R e s o l v e r . j a v a : 400 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 . i n s t a n t i a t e U s i n g F a c t o r y M e t h o d ( 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 : 1338 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 I n s t a n c e ( 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 : 1177 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 : 557 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 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 : 517 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . l a m b d a 0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:400) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda 0(AbstractBeanFactory.java:323) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:400) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.lambdadoGetBean 0 ( A b s t r a c t B e a n F a c t o r y . j a v a : 323 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 222 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 : 321 ) [ s p r i n g − b e a n s − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . 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 . g e t B e a 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 : 1108 ) [ s p r i n g − c o n t e x t − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . 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 : 868 ) [ s p r i n g − c o n t e x t − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 . 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 : 550 ) [ s p r i n g − c o n t e x t − 5.2.1. R E L E A S E . j a r : 5.2.1. 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 o o t . w e b . s e r v l e t . c o n t e x t . S e r v l e t W e b S e r v e r 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 ( S e r v l e t W e b S e r v e r A p p l i c a t i o n C o n t e x t . j a v a : 141 ) [ s p r i n g − b o o t − 2.2.1. R E L E A S E . j a r : 2.2.1. 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 o o t . S p r i n g A p p l i c a t i o n . r e f r e s h ( S p r i n g A p p l i c a t i o n . j a v a : 747 ) [ s p r i n g − b o o t − 2.2.1. R E L E A S E . j a r : 2.2.1. 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 o o t . S p r i n g A p p l i c a t i o n . r e f r e s h C o n t e x t ( S p r i n g A p p l i c a t i o n . j a v a : 397 ) [ s p r i n g − b o o t − 2.2.1. R E L E A S E . j a r : 2.2.1. 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 o o t . S p r i n g A p p l i c a t i o n . r u n ( S p r i n g A p p l i c a t i o n . j a v a : 315 ) [ s p r i n g − b o o t − 2.2.1. R E L E A S E . j a r : 2.2.1. 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 o o t . S p r i n g A p p l i c a t i o n . r u n ( S p r i n g A p p l i c a t i o n . j a v a : 1226 ) [ s p r i n g − b o o t − 2.2.1. R E L E A S E . j a r : 2.2.1. 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 o o t . S p r i n g A p p l i c a t i o n . r u n ( S p r i n g A p p l i c a t i o n . j a v a : 1215 ) [ s p r i n g − b o o t − 2.2.1. R E L E A S E . j a r : 2.2.1. R E L E A S E ] a t c o m . d e m o . d e m o . D e m o A p p l i c a t i o n . m a i n ( D e m o A p p l i c a t i o n . j a v a : 13 ) [ c l a s s e s / : ? ] C a u s e d b y : j a v a . l a n g . C l a s s N o t F o u n d E x c e p t i o n : c o m . m y s q l . c j . j d b c . D r i v e r a t j a v a . n e t . U R L C l a s s L o a d e r . f i n d C l a s s ( U R L C l a s s L o a d e r . j a v a : 381 ) [ ? : 1.8. 0 1 21 ] a t j a v a . l a n g . C l a s s L o a d e r . l o a d C l a s s ( C l a s s L o a d e r . j a v a : 424 ) [ ? : 1.8. 0 1 21 ] a t s u n . m i s c . L a u n c h e r 0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) [spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) [spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1108) [spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:868) [spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) [spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) [spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE] at com.demo.demo.DemoApplication.main(DemoApplication.java:13) [classes/:?] Caused by: java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_121] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_121] at sun.misc.Launcher 0(AbstractBeanFactory.java:323) [spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)[spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)[spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)[spring−beans−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1108)[spring−context−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:868)[spring−context−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)[spring−context−5.2.1.RELEASE.jar:5.2.1.RELEASE]atorg.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)[spring−boot−2.2.1.RELEASE.jar:2.2.1.RELEASE]atorg.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)[spring−boot−2.2.1.RELEASE.jar:2.2.1.RELEASE]atorg.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)[spring−boot−2.2.1.RELEASE.jar:2.2.1.RELEASE]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:315)[spring−boot−2.2.1.RELEASE.jar:2.2.1.RELEASE]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:1226)[spring−boot−2.2.1.RELEASE.jar:2.2.1.RELEASE]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:1215)[spring−boot−2.2.1.RELEASE.jar:2.2.1.RELEASE]atcom.demo.demo.DemoApplication.main(DemoApplication.java:13)[classes/:?]Causedby:java.lang.ClassNotFoundException:com.mysql.cj.jdbc.Driveratjava.net.URLClassLoader.findClass(URLClassLoader.java:381) [?:1.8.0121]atjava.lang.ClassLoader.loadClass(ClassLoader.java:424) [?:1.8.0121]atsun.misc.LauncherAppClassLoader.loadClass(Launcher.java:331) ~[?:1.8.0_121]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_121]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_121]
at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_121]
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:598) ~[druid-1.1.10.jar:1.1.10]
… 47 more
发现问题:
解决问题:
去掉我们自己定义的版本号，使用springBoot 约定好的版本。
然后发现时区又出现了问题，这个好搞:
java.sql.SQLException: The server time zone value ‘�й���ʱ��’ is unrecognized or represents more than one time zone.
手动设置一下 serverTimezone=GMT 就好了。
