struts2学习中遇到的坑之 严重: Dispatcher initialization failed错误

爱被打了一巴掌 2022-06-13 07:38 310阅读 0赞

错误提示：
Unable to load configuration. - interceptor-ref - file:/E:/eclipse/hibernate/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/hibernate_crm/WEB-INF/classes/struts.xml:14:46
提示xml文件14行有错误

  1. 严重: Dispatcher initialization failed
  2. Unable to load configuration. - interceptor-ref - file:/E:/eclipse/hibernate/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/hibernate_crm/WEB-INF/classes/struts.xml:14:46
  3.     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
  4.     at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:967)
  5.     at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:435)
  6.     at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:479)
  7.     at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
  8.     at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
  9.     at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
  10.     at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
  11.     at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
  12.     at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4809)
  13.     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5485)
  14.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  15.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
  16.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
  17.     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  18.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  19.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  20.     at java.lang.Thread.run(Thread.java:745)
  21. Caused by: Unable to find interceptor class referenced by ref-name loginInterceptor - interceptor-ref - file:/E:/eclipse/hibernate/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/hibernate_crm/WEB-INF/classes/struts.xml:14:46
  22.     at com.opensymphony.xwork2.config.providers.InterceptorBuilder.constructInterceptorReference(InterceptorBuilder.java:63)
  23.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.lookupInterceptorReference(XmlConfigurationProvider.java:1114)
  24.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStack(XmlConfigurationProvider.java:932)
  25.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStacks(XmlConfigurationProvider.java:945)
  26.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptors(XmlConfigurationProvider.java:968)
  27.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:537)
  28.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:295)
  29.     at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:112)
  30.     at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:264)
  31.     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
  32.     ... 17 more
  34. 七月 01, 2017 12:23:41 下午 org.apache.catalina.core.StandardContext filterStart
  35. 严重: Exception starting filter struts2
  36. Unable to load configuration. - interceptor-ref - file:/E:/eclipse/hibernate/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/hibernate_crm/WEB-INF/classes/struts.xml:14:46
  37.     at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:493)
  38.     at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
  39.     at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
  40.     at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
  41.     at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
  42.     at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
  43.     at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4809)
  44.     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5485)
  45.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  46.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
  47.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
  48.     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  49.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  50.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  51.     at java.lang.Thread.run(Thread.java:745)
  52. Caused by: Unable to load configuration. - interceptor-ref - file:/E:/eclipse/hibernate/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/hibernate_crm/WEB-INF/classes/struts.xml:14:46
  53.     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
  54.     at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:967)
  55.     at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:435)
  56.     at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:479)
  57.     ... 14 more
  58. Caused by: Unable to find interceptor class referenced by ref-name loginInterceptor - interceptor-ref - file:/E:/eclipse/hibernate/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/hibernate_crm/WEB-INF/classes/struts.xml:14:46
  59.     at com.opensymphony.xwork2.config.providers.InterceptorBuilder.constructInterceptorReference(InterceptorBuilder.java:63)
  60.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.lookupInterceptorReference(XmlConfigurationProvider.java:1114)
  61.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStack(XmlConfigurationProvider.java:932)
  62.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStacks(XmlConfigurationProvider.java:945)
  63.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptors(XmlConfigurationProvider.java:968)
  64.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:537)
  65.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:295)
  66.     at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:112)
  67.     at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:264)
  68.     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
  69.     ... 17 more

我找了很久，最后才发现

  1. <interceptors>
  2.         <!-- 注册拦截器 -->
  3.         <interceptor name="loginInter" class="hibernate.web.interceptor.LoginInterceptor"></interceptor>
  4.             <!-- 注册拦截器栈 -->
  5.         <interceptor-stack name="myStack">
  6.             <interceptor-ref name="loginInterceptor">
  7.                 <param name="excludeMethods">login</param>
  8.             </interceptor-ref>
  9.             <interceptor-ref name="defaultStack"></interceptor-ref>
  10.         </interceptor-stack>
  11. </interceptors>

自己注册的拦截器的名字 即“loginInter”必须和注册拦截器栈中的引用的拦截器名字 即“loginInterceptor”一致。
如下修改即可

  1. <interceptors>
  2.         <!-- 注册拦截器 -->
  3.         <interceptor name="（loginInterceptor）" class="hibernate.web.interceptor.LoginInterceptor"></interceptor>
  4.             <!-- 注册拦截器栈 -->
  5.         <interceptor-stack name="myStack">
  6.             <interceptor-ref name="（loginInterceptor）">
  7.                 <param name="excludeMethods">login</param>
  8.             </interceptor-ref>
  9.             <interceptor-ref name="defaultStack"></interceptor-ref>
  10.         </interceptor-stack>
  11. </interceptors>

括号部分为修改部分

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