실행 중 tomcat 및 spring 웹 응용 프로그램 오류가 발생했습니다.

Question

응용 프로그램을 실행할 때 다음과 같은 오류가 발생합니다. 좋은 jar 파일을 모두 검사했고 web.xml도 좋았습니다. 누락 된 내용이 있습니다. .. !!!

SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener 
java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory 
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:184) 
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47) 
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206) 
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) 
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:840) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) 
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) 
    at org.apache.catalina.core.StandardService.start(StandardService.java:525) 
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) 
    at org.apache.catalina.startup.Catalina.start(Catalina.java:595) 
    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:592) 
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) 
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) 

Answer 1

Donwload commons-logging 및 WEB-INF/lib 디렉토리에있는 항아리 (들)을 놓습니다. classpath (이 경우 WEB-INF/lib)에 넣으십시오.