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我开始一个新项目，它似乎有一些与 Maven 相关的问题。当我尝试启动我的网络应用程序时，它给出了与 bean 工厂创建相关的错误，因为找不到其他项目中引用的类。在这种情况下，我需要停止服务器，为其他项目运行 pom.xml，为我的项目运行 pom.xml，然后重新启动服务器。我觉得很奇怪，如果它们是相关的，maven 不应该自动运行那个依赖吗？

请参阅下面的错误消息：

2012-08-03 08:55:01,374 [domain-service:main][ERROR] org.springframework.web.context.ContextLoader  - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'assetService' defined in URL [file:/C:/Springsource/tc-server-6.0.20.domain.service/wtpwebapps/pumpkin-domain-service/WEB-INF/classes/applicationContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: com/pumpkin/service/exception/ServiceException
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:965)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:911)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:192)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
    at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:282)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:204)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:741)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
    at org.apache.catalina.core.StandardService.start(StandardService.java:516)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:587)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:290)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:415)
Caused by: java.lang.NoClassDefFoundError: com/pumpkin/service/exception/ServiceException
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1890)
    at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:887)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1351)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1230)
    at java.lang.Class.getDeclaredConstructors0(Native Method)
    at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
    at java.lang.Class.getConstructor0(Class.java:2699)
    at java.lang.Class.getDeclaredConstructor(Class.java:1985)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:65)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:958)
    ... 28 more

非常感谢任何帮助！先感谢您！

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1 回答 1

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我总是喜欢在得到答案时给出答案，这样我就可以帮助来到页面寻找解决方案的人......我在互联网上查看了更多内容，最后在其他stackoverflow 帖子上找到了解决方案：

Maven 依赖项并不总是可传递的。如果 taac-backend-gui 使用 scope="test" 或 optional="true" 声明其对 com.wuntee.rsaAuthenticationManager 的依赖项，则 com.wuntee.rsaAuthenticationManager 不会自动成为 com.wuntee.taac 的依赖项与您描述的症状一致。

干杯!

于 2012-08-03T06:06:44.363 回答