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

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#启动报错

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博客展示了Spring启动时出现的BeanCreationException错误，详细列出了错误堆栈信息，包括因无法内省类和找不到com.fasterxml.jackson.databind.ObjectMapper类导致的问题。解决方案是将pom.xml中的依赖1换成依赖2。

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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 $A p p C l a s s L o a d e r @ 18 b 4 a a c 2] a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . d o C r e a t e B e a n (A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 570) [s p r i n g - b e a n s - 5.1.6 . R E L E A S E . j a r : 5.1.6 . R E L E A S E] a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . c r e a t e B e a n (A b s t r a c t A u t o w i r e C a p a b l e B e a n F a c t o r y . j a v a : 515) [s p r i n g - b e a n s - 5.1.6 . R E L E A S E . j a r : 5.1.6 . R E L E A S E] a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . l a m b d a$ doGetBeanAppClassLoader@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。

	    <!-- 依赖1 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        
      <!-- 依赖2 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>