我收到以下錯誤，而湯姆貓服務器開始

Question

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.core.CollectionFactory.(CollectionFactory.java:64) at org.springframework.web.context.ContextLoader.(ContextLoader.java:153) at org.springframework.web.context.ContextLoaderListener.createContextLoader(ContextLoaderListener.java:53) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:44) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4544) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5016) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1035) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:738) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1035) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:289) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:442) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:674) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140) at org.apache.catalina.startup.Catalina.start(Catalina.java:596) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:303) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431) Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory 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) ... 24 more

我使用湯姆CAT-7，Maven的版本是4.0.0 能否請您建議我對這個..提前 感謝

Answer 1

commons-logging依賴關係丟失。它應該在lib目錄或pom依賴聲明中。

<dependency> 
    <groupId>commons-logging</groupId> 
    <artifactId>commons-logging</artifactId> 
    <version>1.2</version> 
</dependency> 

Answer 2

你需要在你的tomcat庫中檢查commons-logging-1.2.jar。

一些依賴jar是在你項目中但可能不在tomcat中。