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当我们将 amazon webservice sdk 与 spring-boot 应用程序集成时：

2013-10-20 16:19:39.279  INFO 393 --- [ost-startStop-1] o.s.web.servlet.DispatcherServlet        : FrameworkServlet 'dispatcherServlet': initialization completed in 763 ms
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'scopedTarget.connectionFactoryLocator': Cannot create inner bean '(inner bean)' of type [org.springframework.social.twitter.connect.TwitterConnectionFactory] while setting bean property 'connectionFactories' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.social.twitter.connect.TwitterConnectionFactory]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/http/impl/client/HttpClients
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:285)
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:126)
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:354)
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:154)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1410)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1151)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:295)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:665)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
    at org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext.refresh(AnnotationConfigEmbeddedWebApplicationContext.java:193)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:514)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:281)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:697)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:686)
    at hello.Application.main(Application.java:19)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.social.twitter.connect.TwitterConnectionFactory]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/http/impl/client/HttpClients
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:289)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1068)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:971)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:271)
    ... 20 more
Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.social.twitter.connect.TwitterConnectionFactory]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/http/impl/client/HttpClients
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:164)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:125)
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:281)
    ... 25 more
Caused by: java.lang.NoClassDefFoundError: org/apache/http/impl/client/HttpClients
    at org.springframework.http.client.HttpComponentsClientHttpRequestFactory.<init>(HttpComponentsClientHttpRequestFactory.java:70)
    at org.springframework.social.support.ClientHttpRequestFactorySelector$HttpComponentsClientRequestFactoryCreator$1.<init>(ClientHttpRequestFactorySelector.java:74)
    at org.springframework.social.support.ClientHttpRequestFactorySelector$HttpComponentsClientRequestFactoryCreator.createRequestFactory(ClientHttpRequestFactorySelector.java:74)
    at org.springframework.social.support.ClientHttpRequestFactorySelector.getRequestFactory(ClientHttpRequestFactorySelector.java:50)
    at org.springframework.social.oauth1.OAuth1Template.createRestTemplate(OAuth1Template.java:167)
    at org.springframework.social.oauth1.OAuth1Template.<init>(OAuth1Template.java:91)
    at org.springframework.social.oauth1.OAuth1Template.<init>(OAuth1Template.java:75)
    at org.springframework.social.twitter.connect.TwitterServiceProvider.<init>(TwitterServiceProvider.java:31)
    at org.springframework.social.twitter.connect.TwitterConnectionFactory.<init>(TwitterConnectionFactory.java:28)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)
    ... 27 more
Caused by: java.lang.ClassNotFoundException: org.apache.http.impl.client.HttpClients
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 41 more
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1 回答 1

1

看起来 Spring Social Twitter 使用的 Apache HTTP 客户端库版本可能与 Spring 4 所需的版本不同（不兼容）。如果是这种情况，我确信它一定是 Spring Social 的问题，它可能已经在最新版本中修复。除非您可以发布整个项目（例如，github 上的项目将是理想的），否则很难确定。

于 2013-11-04T14:23:17.720 回答