类未发现异常

Question

我试图编译并运行我的应用程序代码，但是我得到了一个未找到的类异常，我将打印堆栈跟踪，希望有人可以帮助我。

236 [main] INFO    org.springframework.context.support.ClassPathXmlApplicationContext   - Refreshing    org.springframework.context.support.ClassPathXmlApplicationContext@37eaab:     startup date    [Sat May 03 21:15:12 CEST 2014]; root of context hierarchy
 472 [main] INFO org.springframework.beans.factory.xml.XmlBeanDefinitionReader - L     oading        XML bean definitions from URL           [file:/C:/Users/housseminfo/workspace/ERP_PCD/target/classes/META-      INF/applicationContext.xml]
1017 [main] INFO org.springframework.context.annotation.ClassPathBeanDefinitionScanner       - JSR-330 'javax.inject.Named' annotation found and supported for component scanning
1242 [main] INFO          org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor - JSR-330        'javax.inject.Inject' annotation found and supported for autowiring
1272 [main] INFO org.springframework.beans.factory.support.DefaultListableBeanFactory -        Destroying singletons in     org.springframework.beans.factory.support.DefaultListableBeanFactory@59727ed4: defining     beans       [datasource,persistenceUnitManager,entityManagerFactory,entityManager,transactionManager,o        g.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annot ation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.Tr ansactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,op manager,metier,org.springframework.context.annotation.internalConfigurationAnnotationProces sor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springf ramework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context .annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.intern alPersistenceAnnotationProcessor,org.springframework.context.annotation.ConfigurationClassP ostProcessor.importAwareProcessor]; root of factory hierarchy
 Exception in thread "main" org.springframework.beans.factory.BeanCreationException:    Error creating bean with name 'org.springframework.aop.config.internalAutoProxyCreator':    Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError:     org/springframework/core/io/support/SpringFactoriesLoader
at       org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(A    bstractAutowireCapableBeanFactory.java:532)
at     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(Abs    tractAutowireCapableBeanFactory.java:461)
at        org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFacto    ry.java:295) at     org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(Default   SingletonBeanRegistry.java:223) at     org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292 at       org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.j    ava:198)
at        org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(A    bstractApplicationContext.java:741) at       org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationC    ontext.java:464)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>    (ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>       (ClassPathXmlApplicationContext.java:83)
at com.ensi.dao.Maintest.main(Maintest.java:13)
Caused by: java.lang.NoClassDefFoundError:         org/springframework/core/io/support/SpringFactoriesLoader
at org.springframework.beans.CachedIntrospectionResults.<clinit>       (CachedIntrospectionResults.java:65)
at         org.springframework.beans.BeanWrapperImpl.getCachedIntrospectionResults(BeanWrapperImpl.jav    a:321)
at       org.springframework.beans.BeanWrapperImpl.getPropertyDescriptors(BeanWrapperImpl.java:328)
at      org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.filterProperty    DescriptorsForDependencyCheck(AbstractAutowireCapableBeanFactory.java:1279)
at       org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.filterProperty    at     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(A    bstractAutowireCapableBeanFactory.java:1117)
at            org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(A     bstractAutowireCapableBeanFactory.java:522)
.. 10 more
 Caused by: java.lang.ClassNotFoundException:          org.springframework.core.io.support.SpringFactoriesLoader
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 more

Answer 1

您好，很明显，您的例外情况是，您的类路径中没有所有的Spring jar。

如果使用的是maven，则将所有依赖项添加到pom.xml中。

否则，从spring源下载jar并将其添加到项目类路径中。

添加并运行后，它将可以正常工作。

我在那边看不到任何与应用相关的错误。 它唯一的罐子问题。

缺少jar或版本不匹配。 正确检查。