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    1. Struts2教程不起作用

      时间:2023-10-15
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              2. 本文介绍了Struts2教程不起作用的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                问题描述

                我正在学习struts2.我根据 tutorial 尝试我的 hello world 项目然后我在eclipse中运行代码.但它不起作用.控制台显示很多错误.第一个如下:

                 com.opensymphony.xwork2.util.logging.commons.CommonsLogger 错误严重:调度程序初始化失败无法加载配置.- bean - jar:file:/C:/Users/Administrator/Eclipse/workspace_2/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/MyStruts2/WEB-INF/lib/struts2-gxp-plugin-2.3.8.jar!/struts-plugin.xml:8:162在 com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)在 org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:429)在 org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:471)在 org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:193)在 org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:281)在 org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262)在 org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107)在 org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4656)在 org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5312)在 org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)在 org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)在 org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)在 java.util.concurrent.FutureTask$Sync.innerRun(未知来源)在 java.util.concurrent.FutureTask.run(未知来源)在 java.util.concurrent.ThreadPoolExecutor.runWorker(未知来源)在 java.util.concurrent.ThreadPoolExecutor$Worker.run(未知来源)在 java.lang.Thread.run(未知来源)

                页面显示:HTTP 状态 404 -/MyStruts2/index.jsp输入状态报告

                消息/MyStruts2/index.jsp

                说明请求的资源不可用.

                这有什么问题.需要我进行更多配置吗?

                解决方案

                首先,删除所有未使用的 S2 插件p>

                S2 插件:

                1. 可能会从根本上改变 S2 功能,并且
                2. 有自己的依赖,如果不满足它们的依赖就会导致失败.

                其次,确保您正在部署所有必需的库.创建 Maven(或等效的)来管理这些依赖项,但对于绝对的准系统应用程序来说,这并不是绝对必要的.

                I'm learning struts2. And I try my hello world projects according to the tutorial Then I run the code in eclipse. But it doesn't work. The Console shows a lot of error. The first is as below:

                 com.opensymphony.xwork2.util.logging.commons.CommonsLogger error
                SEVERE: Dispatcher initialization failed
                Unable to load configuration. - bean - jar:file:/C:/Users/Administrator/Eclipse/workspace_2/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/MyStruts2/WEB-INF/lib/struts2-gxp-plugin-2.3.8.jar!/struts-plugin.xml:8:162
                    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
                    at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:429)
                    at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:471)
                    at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:193)
                    at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:281)
                    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262)
                    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107)
                    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4656)
                    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5312)
                    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
                    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
                    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
                    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
                    at java.util.concurrent.FutureTask.run(Unknown Source)
                    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
                    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
                    at java.lang.Thread.run(Unknown Source)
                

                And the pages shows : HTTP Status 404 - /MyStruts2/index.jsp type Status report

                message /MyStruts2/index.jsp

                description The requested resource is not available.

                What's wrong with it. Need I configure more?

                解决方案

                First, remove all unused S2 plugins If you're following a basic tutorial, you are almost certainly not using GXP.

                S2 plugins:

                1. May alter S2 functionality in fundamental ways, and
                2. Have their own dependencies that will cause failures if their dependencies are not met.

                Second, ensure you are deploying all required libraries. Maven (or the equivalent) was created to manage those dependencies, but for an absolute bare-bones app it's not strictly necessary.

                这篇关于Struts2教程不起作用的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

                上一篇:在 Struts 2.5 中使用顶部对象 下一篇:将序列化数组传递给 struts2 动作

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