java.lang.ClassNotFoundException: org.apache.struts.action.ActionServlet

问题描述：严重: Servlet /图书馆管理系统 threw load() exception

java.lang.ClassNotFoundException: org.apache.struts.action.ActionServlet

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)

at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)

at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)

at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:133)

at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1137)

at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1081)

at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5027)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1114)

at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1673)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

at java.util.concurrent.FutureTask.run(FutureTask.java:138)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)

at java.lang.Thread.run(Thread.java:662)

2013-1-5 10:18:03 org.apache.coyote.AbstractProtocol start

信息: Starting ProtocolHandler ["http-apr-8082"]

2013-1-5 10:18:03 org.apache.coyote.AbstractProtocol start

信息: Starting ProtocolHandler ["ajp-apr-8009"]

2013-1-5 10:18:03 org.apache.catalina.startup.Catalina start

信息: Server startup in 3027 ms

解决方法：我在Myeclipse9.0的tomcat损坏，重新装过tomcat7.0，先检查配置，没有错，后按照网上其他人说法，检查jar包（antlr.jarcommons-beanutils.jar commons-digester.jar commons-logging.jar commons-fileupload.jar commons-validator.jar jakarta-oro.jarstruts.jar），不是因为包的问题，最后，把tomcat目录：C:\Program
Files\Apache Software Foundation\Tomcat 7.0\webapps中原先的项目删掉即可。