我正在使用 Spring Boot 2.0。
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfig': Unsatisfied dependency expressed through method 'setContentNegotationStrategy' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mvcContentNegotiationManager' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.accept.ContentNegotiationManager]: Factory method 'mvcContentNegotiationManager' threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.web.accept.ContentNegotiationManagerFactoryBean.build()Lorg/springframework/web/accept/ContentNegotiationManager;
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:668) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:373) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1344) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:312) ~[spring-beans-5.0.4.RELEASE.jar:5.0.4.RELEASE] …任何人都可以帮助解决错误
"Error: Uncaught (in promise): TypeError: Cannot read property 'length' of undefined
TypeError: Cannot read property 'length' of undefined
at SomeComponent.webpackJsonp.805.SomeComponent.getBList (http://localhost:4200/1.chunk.js:23613:34)
at SomeComponent.webpackJsonp.805.SomeComponent.ngOnInit (http://localhost:4200/1.chunk.js:23610:14)
at checkAndUpdateDirectiveInline (http://localhost:4200/vendor.bundle.js:11957:19)
at checkAndUpdateNodeInline (http://localhost:4200/vendor.bundle.js:13336:17)
at checkAndUpdateNode (http://localhost:4200/vendor.bundle.js:13304:16)
at debugCheckAndUpdateNode (http://localhost:4200/vendor.bundle.js:13933:59)
at debugCheckDirectivesFn (http://localhost:4200/vendor.bundle.js:13874:13)
at Object.eval [as updateDirectives] (ng:///SeasonPageModule/SeasonPageComponent_Host.ngfactory.js:16:5)
at Object.debugUpdateDirectives [as updateDirectives] (http://localhost:4200/vendor.bundle.js:13859:21)
at checkAndUpdateView (http://localhost:4200/vendor.bundle.js:13271:14)
at callWithDebugContext (http://localhost:4200/vendor.bundle.js:14259:42)
at Object.debugCheckAndUpdateView [as checkAndUpdateView] (http://localhost:4200/vendor.bundle.js:13799:12)
at ViewRef_.detectChanges (http://localhost:4200/vendor.bundle.js:11368:63)
at RouterOutlet.activateWith (http://localhost:4200/vendor.bundle.js:32580:42)
at ActivateRoutes.placeComponentIntoOutlet (http://localhost:4200/vendor.bundle.js:31760:16)
at ZoneAwareError (http://localhost:4200/vendor.bundle.js:95038:33)
at resolvePromise (http://localhost:4200/vendor.bundle.js:94728:31)
at resolvePromise (http://localhost:4200/vendor.bundle.js:94713:17)
at …