异常:Exception starting filter struts2 java.lang.RuntimeException: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='actionPackages'] in public void org.apache.struts2.config.ClasspathPackageProvider. setActionPackages(java.lang.String). [cc lang="java"] 严重: Exception starting filter struts2 java.lang.RuntimeException: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='actionPackages'] in public void org.apache.struts2.config.ClasspathPackageProvider.setActionPackages(java.lang.String). - Class: com.opensymphony.xwork2.inject.ContainerBuilder$4 File: ContainerBuilder.java Method: create Line: 132 - com/opensymphony/xwork2/inject/ContainerBuilder.java:132:-1 at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:437) at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422) at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:115) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3838) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4488) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at org.apache.catalina.core.StandardHost.start(StandardHost.java:722) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:593) 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:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Caused by: java.lang.RuntimeException: java.lang.RuntimeException: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='actionPackages'] in public void org.apache.struts2.config.ClasspathPackageProvider.setActionPackages(java.lang.String). at com.opensymphony.xwork2.inject.ContainerBuilder$4.create(ContainerBuilder.java:132) at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:51) at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:507) at com.opensymphony.xwork2.inject.ContainerImpl$8.call(ContainerImpl.java:540) at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:574) at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:538) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:213) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:380) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:424) ... 29 more Caused by: java.lang.RuntimeException: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='actionPackages'] in public void org.apache.struts2.config.ClasspathPackageProvider.setActionPackages(java.lang.String). at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:495) at com.opensymphony.xwork2.inject.ContainerImpl$7.call(ContainerImpl.java:532) at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:581) at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:530) at com.opensymphony.xwork2.config.impl.LocatableFactory.create(LocatableFactory.java:32) at com.opensymphony.xwork2.inject.ContainerBuilder$4.create(ContainerBuilder.java:130) ... 38 more Caused by: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='actionPackages'] in public void org.apache.struts2.config.ClasspathPackageProvider.setActionPackages(java.lang.String). at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMembers(ContainerImpl.java:144) at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMethods(ContainerImpl.java:113) at com.opensymphony.xwork2.inject.ContainerImpl.addInjectors(ContainerImpl.java:90) at com.opensymphony.xwork2.inject.ContainerImpl$1.create(ContainerImpl.java:71) at com.opensymphony.xwork2.inject.ContainerImpl$1.create(ContainerImpl.java:67) at com.opensymphony.xwork2.inject.util.ReferenceCache$CallableCreate.call(ReferenceCache.java:150) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at com.opensymphony.xwork2.inject.util.ReferenceCache.internalCreate(ReferenceCache.java:76) at com.opensymphony.xwork2.inject.util.ReferenceCache.get(ReferenceCache.java:116) at com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.(ContainerImpl.java:348) at com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:305) at com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:301) at com.opensymphony.xwork2.inject.util.ReferenceCache$CallableCreate.call(ReferenceCache.java:150) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at com.opensymphony.xwork2.inject.util.ReferenceCache.internalCreate(ReferenceCache.java:76) at com.opensymphony.xwork2.inject.util.ReferenceCache.get(ReferenceCache.java:116) at com.opensymphony.xwork2.inject.ContainerImpl.getConstructor(ContainerImpl.java:594) at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:491) ... 43 more Caused by: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='actionPackages'] in public void org.apache.struts2.config.ClasspathPackageProvider.setActionPackages(java.lang.String). at com.opensymphony.xwork2.inject.ContainerImpl.createParameterInjector(ContainerImpl.java:235) at com.opensymphony.xwork2.inject.ContainerImpl.getParametersInjectors(ContainerImpl.java:225) at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.(ContainerImpl.java:287) at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:117) at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:114) at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMembers(ContainerImpl.java:141) ... 62 more [/cc]
原因:因为添加了struts2的零配置插件包:struts2-codebehind-plugin-2.2.3.1.jar,而且在filter中没有配置”actionPackages“ 参数。 可去掉该插件包或者在struts2过滤器配置中配置”actionPackages“ 参数