小编Dan*_*iel的帖子

我正在尝试基于"spring-security-saml2-sample"设置SP,但是当我在Tomcat上部署WAR文件时,我得到以下异常:

Initialization of metadata provider org.opensaml.saml2.metadata.provider.HTTPMetadataProvider@443c35d3 failed, provider will be ignored
org.opensaml.saml2.metadata.provider.MetadataProviderException: org.opensaml.saml2.metadata.provider.MetadataProviderException: Error retrieving metadata from   
https://dominio.com/fed/idp/metadata
        at org.opensaml.saml2.metadata.provider.AbstractReloadingMetadataProvider.refresh(AbstractReloadingMetadataProvider.java:266)
        at org.opensaml.saml2.metadata.provider.AbstractReloadingMetadataProvider.doInitialization(AbstractReloadingMetadataProvider.java:236)
        at org.opensaml.saml2.metadata.provider.AbstractMetadataProvider.initialize(AbstractMetadataProvider.java:407)
        at org.springframework.security.saml.metadata.ExtendedMetadataDelegate.initialize(ExtendedMetadataDelegate.java:167)
        at org.springframework.security.saml.metadata.MetadataManager.initializeProvider(MetadataManager.java:397)
        at org.springframework.security.saml.metadata.MetadataManager.refreshMetadata(MetadataManager.java:245)
        at org.springframework.security.saml.metadata.CachingMetadataManager.refreshMetadata(CachingMetadataManager.java:86)
        at org.springframework.security.saml.metadata.MetadataManager.afterPropertiesSet(MetadataManager.java:141)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:876)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:818)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:735)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:478)
        at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:284)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1106)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:609)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) …