Error creating bean with name ‘objectMapperConfigurer‘ defined in class path resource

深碍√TFBOYSˉ_ 2021-09-19 15:40 1522阅读 0赞

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘objectMapperConfigurer’ defined in class path resource \[springfox/documentation/spring/web/SpringfoxWebMvcConfiguration.class\]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class \[springfox.documentation.spring.web.ObjectMapperConfigurer\] from ClassLoader \[sun.misc.Launcher A p p C l a s s L o a d e r @ 18 b 4 a a c 2 \] 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 : 570 )   \[ s p r i n g − b e a n s − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 : 515 )   \[ s p r i n g − b e a n s − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 AppClassLoader@18b4aac2\] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:570) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda AppClassLoader@18b4aac2\]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:570) \[spring−beans−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) \[spring−beans−5.1.6.RELEASE.jar:5.1.6.RELEASE\]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 : 320 )   \[ s p r i n g − b e a n s − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 )   \[ s p r i n g − b e a n s − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 : 318 )   \[ s p r i n g − b e a n s − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 : 204 )   \[ s p r i n g − b e a n s − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 . P o s t P r o c e s s o r R e g i s t r a t i o n D e l e g a t e . r e g i s t e r B e a n P o s t P r o c e s s o r s ( P o s t P r o c e s s o r R e g i s t r a t i o n D e l e g a t e . j a v a : 240 )   \[ s p r i n g − c o n t e x t − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 g i s t e r B e a n P o s t P r o c e s s o r s ( 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 : 721 )   \[ s p r i n g − c o n t e x t − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 : 534 )   \[ s p r i n g − c o n t e x t − 5.1.6. R E L E A S E . j a r : 5.1.6. R E L E A S E \] 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 : 775 ) \[ s p r i n g − b o o t − 2.1.4. R E L E A S E . j a r : 2.1.4. R E L E A S E \] 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 ) \[ s p r i n g − b o o t − 2.1.4. R E L E A S E . j a r : 2.1.4. R E L E A S E \] 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 : 316 ) \[ s p r i n g − b o o t − 2.1.4. R E L E A S E . j a r : 2.1.4. R E L E A S E \] 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 : 1260 ) \[ s p r i n g − b o o t − 2.1.4. R E L E A S E . j a r : 2.1.4. R E L E A S E \] 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 : 1248 ) \[ s p r i n g − b o o t − 2.1.4. R E L E A S E . j a r : 2.1.4. R E L E A S E \] a t c o m . z h o u b i n . m y b a t i s p l u s . M y b a t i s p l u s A p p l i c a t i o n . m a i n ( M y b a t i s p l u s A p p l i c a t i o n . j a v a : 12 ) \[ c l a s s e s / : n a \] C a u s e d b y : 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 : F a i l e d t o i n t r o s p e c t C l a s s \[ s p r i n g f o x . d o c u m e n t a t i o n . s p r i n g . w e b . O b j e c t M a p p e r C o n f i g u r e r \] f r o m C l a s s L o a d e r \[ s u n . m i s c . L a u n c h e r 0(AbstractBeanFactory.java:320) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:204) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:240) ~\[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:721) ~\[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:534) ~\[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE\] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) \[spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE\] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) \[spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE\] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) \[spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE\] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) \[spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE\] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) \[spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE\] at com.zhoubin.mybatisplus.MybatisplusApplication.main(MybatisplusApplication.java:12) \[classes/:na\] Caused by: java.lang.IllegalStateException: Failed to introspect Class \[springfox.documentation.spring.web.ObjectMapperConfigurer\] from ClassLoader \[sun.misc.Launcher 0(AbstractBeanFactory.java:320) \[spring−beans−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) \[spring−beans−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) \[spring−beans−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:204) \[spring−beans−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:240) \[spring−context−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:721) \[spring−context−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:534) \[spring−context−5.1.6.RELEASE.jar:5.1.6.RELEASE\]atorg.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)\[spring−boot−2.1.4.RELEASE.jar:2.1.4.RELEASE\]atorg.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)\[spring−boot−2.1.4.RELEASE.jar:2.1.4.RELEASE\]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:316)\[spring−boot−2.1.4.RELEASE.jar:2.1.4.RELEASE\]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:1260)\[spring−boot−2.1.4.RELEASE.jar:2.1.4.RELEASE\]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:1248)\[spring−boot−2.1.4.RELEASE.jar:2.1.4.RELEASE\]atcom.zhoubin.mybatisplus.MybatisplusApplication.main(MybatisplusApplication.java:12)\[classes/:na\]Causedby:java.lang.IllegalStateException:FailedtointrospectClass\[springfox.documentation.spring.web.ObjectMapperConfigurer\]fromClassLoader\[sun.misc.LauncherAppClassLoader@18b4aac2\]  
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:507) ~\[spring-core-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:367) ~\[spring-core-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.buildLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:207) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.findLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:189) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(InitDestroyAnnotationBeanPostProcessor.java:128) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(CommonAnnotationBeanPostProcessor.java:297) ~\[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:1077) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:567) ~\[spring-beans-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
… 14 common frames omitted  
Caused by: java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/ObjectMapper  
at java.lang.Class.getDeclaredMethods0(Native Method) ~\[na:1.8.0\_111\]  
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~\[na:1.8.0\_111\]  
at java.lang.Class.getDeclaredMethods(Class.java:1975) ~\[na:1.8.0\_111\]  
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:489) ~\[spring-core-5.1.6.RELEASE.jar:5.1.6.RELEASE\]  
… 21 common frames omitted  
Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.ObjectMapper  
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~\[na:1.8.0\_111\]  
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~\[na:1.8.0\_111\]  
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~\[na:1.8.0\_111\]  
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~\[na:1.8.0\_111\]  
… 25 common frames omitted

**解决方案：  
将pom.xml中的依赖1换成依赖2即可。**

<dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter</artifactId>
            </dependency>
            
          
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>

Error creating bean with name ‘objectMapperConfigurer‘ defined in class path resource

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