关于web.xml中<web-app>报错解决方案

最新推荐文章于 2023-05-18 10:14:43 发布
转载 最新推荐文章于 2023-05-18 10:14:43 发布 · 2.6k 阅读 · 2
文章标签：

#web.xml

本文介绍了在Web应用部署过程中遇到的一个配置文件错误，并提供了两种解决方案：一是调整配置文件内的元素顺序；二是移除DTD验证代码。这两种方法都能有效解决因配置文件不符合DTD规范而产生的问题。

严重: Parse Error at line 31 column 11: The content of element type "web-app" must match "(icon?,display-name?,description?,distributable?,context-param*,filter*,filter-mapping*,listener*,servlet*,servlet-mapping*,session-config?,mime-mapping*,welcome-file-list?,error-page*,taglib*,resource-env-ref*,resource-ref*,security-constraint*,login-config?,security-role*,env-entry*,ejb-ref*,ejb-local-ref*)"

查阅网上资料大部分给出的意见是，应严格按照icon?,display-name?,description?,distributable等等这种顺序添加节点。 

按照此法仔细对照修改后，错误终于消失了。


还有一种说法是把  <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">这一段校验代码删掉，问题就解决了。原因是：自己添加的部分代码符合xml文档规范，但不符合web-app_2_3.dtd所定义的规范。不过还没遇到过此种情况，留着备用。

web.xml 中 web-app 标签报错
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web-app 报错 The content of element type “web-app” must match…… 问题原因 没有按照 web-app_2_3.dtd 规范来写 web-app 标签。 解决方法 按照规范来写，即按照错误信息中的标签出现顺序编写web-app 标签。(推荐) 直接将规范删除。 ...
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