java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFi

本文介绍了解决Struts2与Spring整合时出现的ClassNotFoundException问题的方法。主要原因是Eclipse未将UserLibrary中的jar包复制到WEB-INF/lib目录下。解决方案包括确保所有jar包位于WEB-INF/lib中或将UserLibrary中的jar包手动添加到部署配置中。

整合Struts2和spring时,出现以下错误:

严重: Exception starting filter struts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter

原因:

eclipse发布项目的时候并未自动将引用的jar包copy到WEB-INF/目录下,导致编译器找不到所使用的class.

(因为我将需要的jar一部分放到WEB-INF的lib中,一部分使用User Library,导致使用User Library的那部分jar包无法加载,所以会报错)

解决方法:

(1),将所有jar包放到WEB-INF的lib中

(2),手动将User library中的jar包添加到项目发布时自动加载的目录下:

   选中项目,右键选择Properties->Myeclispe->Deployment Assembly->Add:



点击OK后进入以下界面,选中Java Build Path Entries::




点击next,选中你需要加入的library,黄色框中的jar包就是lib下的,可以不用选。:



选中之后点击Finish:




####|2025-10-12 16:20:42.410|SEVERE|org.apache.catalina.core.StandardContext|_ThreadID=14;_ThreadName=pool-1-thread-3;_RequestID=7063f463-8143-49bd-bff5-2f8102477587;|WEBTIER101270: Exception starting filter struts2Filter java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.Ru ntimeException: java.lang.RuntimeException: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='enabl eOGNLExpressionCache'] in public void com.opensymphony.xwork2.ognl.OgnlUtil.setEnableExpressionCache(java.lang.String). - Class: com.opensymphony.xwork2.inject.ContainerBuilder$4 File: ContainerBuilder.java Method: create Line: 132 - com/opensymphony/xwork2/inject/ContainerBuilder.java:132:-1 at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:501) at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:231) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:343) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:77) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4566) at org.apache.catalina.core.StandardContext.start(StandardContext.java:5452) at com.bes.enterprise.web.WebModule.start(WebModule.java:342) at com.bes.enterprise.web.LifecycleStarter.doRun(LifecycleStarter.java:37) at com.bes.appserv.management.util.misc.RunnableBase.runSync(RunnableBase.java:284) at com.bes.appserv.management.util.misc.RunnableBase._submit(RunnableBase.java:156) at com.bes.appserv.management.util.misc.RunnableBase.submit(RunnableBase.java:172) at com.bes.enterprise.web.VirtualServer.startChildren(VirtualServer.java:1824) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1148) at org.apache.catalina.core.StandardHost.start(StandardHost.java:947) at com.bes.enterprise.web.LifecycleStarter.doRun(LifecycleStarter.java:37) at com.bes.appserv.management.util.misc.RunnableBase.runSync(RunnableBase.java:284) at com.bes.appserv.management.util.misc.RunnableBase.run(RunnableBase.java:321) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) 这个报错是什么含义
最新发布
10-13
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