Struts 2错误 – com.opensymphony.xwork2.util.logging.commons.CommonsLogger错误
我正在尝试运行Struts2示例应用程序。启动服务器时，我遇到错误和代码，从这里使用。 我在这里实现了相同的代码相同的jar。
struts2-convention-plugin-2.3.1.2.jar，asm.jar，
antlr-2.7.6.jar，commons-fileupload-1.2.2.jar，
commons-io-2.0.1.jar，commons-lang-2.5.jar，
commons-logging-1.1.1.jar，commons-logging-api-1.1.jar，
freemarker-2.3.18.jar javassist-3.11.0.GA.jar，ognl-3.0.4.jar，struts2-core-2.3.1.2.jar，xwork-core.2.3.1.2.jar
Jun 29, 2013 6:58:18 PM com.opensymphony.xwork2.util.logging.commons.CommonsLogger error SEVERE: Unable to read class [com.tutorialspoint.struts2.Employee] java.lang.NoClassDefFoundError: org/objectweb/asm/commons/EmptyVisitor at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2854) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1159) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1647) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526) at com.opensymphony.xwork2.util.finder.ClassFinder.readClassDef(ClassFinder.java:780) at com.opensymphony.xwork2.util.finder.ClassFinder.(ClassFinder.java:165) at org.apache.struts2.convention.PackageBasedActionConfigBuilder.findActions(PackageBasedActionConfigBuilder.java:376) at org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildActionConfigs(PackageBasedActionConfigBuilder.java:334) at org.apache.struts2.convention.ClasspathPackageProvider.loadPackages(ClasspathPackageProvider.java:53) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:215) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:390) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:436) at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:195) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:424) at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:115) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4726) 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:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.commons.EmptyVisitor at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526) ... 36 more Jun 29, 2013 6:58:18 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 29, 2013 6:58:18 PM org.apache.jk.common.ChannelSocket init 添加/替换以下jar文件
asm-3.3.jar asm-commons-3.3.jar asm-tree-3.3.jar