系統(tǒng)異常信息為：Exceptioninthread"main"java.lang.NoClassDefFoundError:org/apache/commons/logging/LogFactoryatorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.(DefaultSingletonBeanRegistry.java:81)atorg.springframework.beans.factory.support.FactoryBeanRegistrySupport.(FactoryBeanRegistrySupport.java:43)atorg.springframework.beans.factory.support.AbstractBeanFactory.(AbstractBeanFactory.java:176)atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.(AbstractAutowireCapableBeanFactory.java:159)atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.(AbstractAutowireCapableBeanFactory.java:170)atorg.springframework.beans.factory.support.DefaultListableBeanFactory.(DefaultListableBeanFactory.java:166)atorg.springframework.beans.factory.xml.XmlBeanFactory.(XmlBeanFactory.java:78)atorg.springframework.beans.factory.xml.XmlBeanFactory.(XmlBeanFactory.java:67)atcom.spring.test.Main.main(Main.java:16)Causedby:java.lang.ClassNotFoundException:org.apache.commons.logging.LogFactoryatjava.net.URLClassLoader$1.run(URLClassLoader.java:200)atjava.security.AccessController.doPrivileged(NativeMethod)atjava.net.URLClassLoader.findClass(URLClassLoader.java:188)atjava.lang.ClassLoader.loadClass(ClassLoader.java:307)atsun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)atjava.lang.ClassLoader.loadClass(ClassLoader.java:252)atjava.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)...9more我的helloMessage.xml配置文件為