Tomcat 启动错误-com.opensymphony.xwork2.util.finder.ClassFinder

今天下午写了个小项目,启动tomcat提示一直报错,最后一个也是折腾时间最长的一个,与大家共享下。

启动Tomcat时提示以下错:

严重: Exception starting filter struts2
java.lang.NoSuchMethodError: com.opensymphony.xwork2.util.finder.ClassFinder.(Lcom/opensymphony/xwork2/util/finder/ClassLoaderInterface;Ljava/util/Collection;ZLjava/util/Set;Lcom/opensymphony/xwork2/util/finder/Test;)V
 at org.apache.struts2.convention.PackageBasedActionConfigBuilder.findActions(PackageBasedActionConfigBuilder.java:377)
 at org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildActionConfigs(PackageBasedActionConfigBuilder.java:335)
 at org.apache.struts2.convention.ClasspathPackageProvider.loadPackages(ClasspathPackageProvider.java:53)
 at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:204)
 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:415)
 at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
 at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
 at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
 at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:108)
 at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)
 at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)
 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:987)
 at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909)
 at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495)
 at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
 at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
 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:583)
 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:288)
 at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

 这个错误折腾了我好长时间,百度谷歌全用了,我使用的jar包:struts2-core-2.1.8.1.jar + struts2-convention-plugin-2.2.1.1.jar + xwork-core-2.1.6.jar。解决方法是把struts2-convention-plugin-2.2.1.1.jar换成struts2-convention-plugin-2.1.8.1.jar就可以。哈哈

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