做例子时遇到的问题
严重: Exception starting filter struts2
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:137)
at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:49)
at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:492)
at com.opensymphony.xwork2.inject.ContainerImpl$8.call(ContainerImpl.java:525)
at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:558)
at com.opensymphony.xwork2.inject.ContainerImpl.getInstance(ContainerImpl.java:523)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:188)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:371)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:424)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:213)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:221)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:302)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:78)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3635)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4222)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:448)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
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:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
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:480)
at com.opensymphony.xwork2.inject.ContainerImpl$7.call(ContainerImpl.java:517)
at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:565)
at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:515)
at com.opensymphony.xwork2.config.impl.LocatableFactory.create(LocatableFactory.java:32)
at com.opensymphony.xwork2.inject.ContainerBuilder$4.create(ContainerBuilder.java:135)
... 28 more
Caused by: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$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:157)
at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMethods(ContainerImpl.java:126)
at com.opensymphony.xwork2.inject.ContainerImpl.addInjectors(ContainerImpl.java:103)
at com.opensymphony.xwork2.inject.ContainerImpl$1.create(ContainerImpl.java:84)
at com.opensymphony.xwork2.inject.ContainerImpl$1.create(ContainerImpl.java:82)
at com.opensymphony.xwork2.inject.util.ReferenceCache$CallableCreate.call(ReferenceCache.java:155)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
at java.util.concurrent.FutureTask.run(FutureTask.java:123)
at com.opensymphony.xwork2.inject.util.ReferenceCache.internalCreate(ReferenceCache.java:81)
at com.opensymphony.xwork2.inject.util.ReferenceCache.get(ReferenceCache.java:121)
at com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.<init>(ContainerImpl.java:333)
at com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:299)
at com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:298)
at com.opensymphony.xwork2.inject.util.ReferenceCache$CallableCreate.call(ReferenceCache.java:155)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
at java.util.concurrent.FutureTask.run(FutureTask.java:123)
at com.opensymphony.xwork2.inject.util.ReferenceCache.internalCreate(ReferenceCache.java:81)
at com.opensymphony.xwork2.inject.util.ReferenceCache.get(ReferenceCache.java:121)
at com.opensymphony.xwork2.inject.ContainerImpl.getConstructor(ContainerImpl.java:578)
at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:476)
... 33 more
Caused by: com.opensymphony.xwork2.inject.ContainerImpl$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:239)
at com.opensymphony.xwork2.inject.ContainerImpl.getParametersInjectors(ContainerImpl.java:229)
at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.<init>(ContainerImpl.java:282)
at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:130)
at com.opensymphony.xwork2.inject.ContainerImpl$3.create(ContainerImpl.java:128)
at com.opensymphony.xwork2.inject.ContainerImpl.addInjectorsForMembers(ContainerImpl.java:154)
... 52 more
2008-9-18 16:54:01 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2008-9-18 16:54:01 org.apache.catalina.core.StandardContext start
___________________
什么原因？
[解决办法]
配置问题！
[解决办法]
可能是导包的问题。
如果是把所有的包都导进去了可能会有问题，只导必须的几个包，其他的删掉试一试。
