关于web.xml中<web-app>报错解决方案

本文介绍了在Web应用部署过程中遇到的一个典型配置错误——ParseError,并提供了两种有效的解决方案:一是确保XML配置文件中元素的顺序正确;二是移除不适用的DTD校验声明。

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。


<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee file:///D:/JAVA/web-app_4_0.xsd" version="4.0"> <display-name>Real Estate Management System</display-name> <!-- Character Encoding Filter --> <filter> <filter-name>CharacterEncodingFilter</filter-name> <filter-class>com.realestate.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- Authentication Filter --> <filter> <filter-name>AuthenticationFilter</filter-name> <filter-class>com.realestate.filter.AuthenticationFilter</filter-class> </filter> <filter-mapping> <filter-name>AuthenticationFilter</filter-name> <url-pattern>/pages/*</url-pattern> </filter-mapping> <!-- Session Listener --> <listener> <listener-class>com.realestate.listener.SessionListener</listener-class> </listener> <!-- Welcome File List --> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <!-- Session Configuration --> <session-config> <session-timeout>30</session-timeout> </session-config> <!-- Error Pages --> <error-page> <error-code>404</error-code> <location>/pages/error/404.jsp</location> </error-page> <error-page> <error-code>500</error-code> <location>/pages/error/500.jsp</location> </error-page> </web-app> Attribute version is not allowed here Element display-name is not allowed here
06-12
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <parent> <artifactId>mutation</artifactId> <groupId>cn.huolala</groupId> <version>0.1-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>mutation-tests</artifactId> <dependencies> <dependency> <groupId>cn.huolala</groupId> <artifactId>mutation-core</artifactId> <version>0.1-SNAPSHOT</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <version>2.2.6.RELEASE</version> <!-- <scope>test</scope>--> <exclusions> <exclusion> <groupId>org.junit.vintage</groupId> <artifactId>junit-vintage-engine</artifactId> </exclusion> <exclusion> <groupId>junit</groupId> <artifactId>junit</artifactId> </exclusion> <exclusion> <groupId>com.vaadin.external.google</groupId> <artifactId>android-json</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.aventstack</groupId> <artifactId>extentreports</artifactId> <version>3.1.5</version> <!-- <exclusions>--> <!-- <exclusion>--> <!-- <artifactId>mongodb-driver</artifactId>--> <!-- <groupId>org.mongodb</groupId>--> <!-- </exclusion>--> <!-- </exclusions>--> </dependency> <!-- <dependency>--> <!-- <groupId>cn.huolala</groupId>--> <!-- <artifactId>mutation-app</artifactId>--> <!-- <version>0.1-SNAPSHOT</version>--> <!-- <scope>test</scope>--> <!-- </dependency>--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-test</artifactId> <version>2.2.6.RELEASE</version> <!-- <scope>test</scope>--> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.18.24</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.30</version> </dependency> <dependency> <groupId>cn.lalaframework.boot</groupId> <artifactId>lala-boot-starter-config</artifactId> <version>2.0.6.RELEASE</version> </dependency> <dependency> <groupId>javax.el</groupId> <artifactId>javax.el-api</artifactId> <version>3.0.0</version> </dependency> <!-- https://mvnrepository.com/artifact/javax.el/el-api --> <dependency> <groupId>org.glassfish.web</groupId> <artifactId>javax.el</artifactId> <version>2.2.4</version> </dependency> <dependency> <groupId>org.javers</groupId> <artifactId>javers-core</artifactId> <version>5.1.4</version> <!-- <scope>test</scope>--> </dependency> <dependency> <groupId>com.github.ben-manes.caffeine</groupId> <artifactId>caffeine</artifactId> <version>2.8.1</version> </dependency> <dependency> <groupId>cn.huolala</groupId> <artifactId>mutation-core</artifactId> <version>0.1-SNAPSHOT</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> </dependency> <!-- <dependency>--> <!-- <groupId>org.springframework</groupId>--> <!-- <artifactId>spring-beans</artifactId>--> <!-- </dependency>--> </dependencies> <build> <finalName>mutation-${project.version}</finalName> <resources> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> </resource> </resources> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <version>2.2.6.RELEASE</version> <configuration> <includeSystemScope>true</includeSystemScope> </configuration> <executions> <execution> <goals> <goal>repackage</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <version>2.18.1</version> <configuration> <reuseForks>false</reuseForks> <forkCount>1</forkCount> <!-- 解决maven test命令时console出现中文乱码乱码 --> <forkMode>once</forkMode> <argLine>-Dfile.encoding=UTF-8</argLine> <testFailureIgnore>true</testFailureIgnore> <reportsDirectory>../target/surefire-reports</reportsDirectory> <properties> <property> <name>listen</name> <value>org.uncommons.reportng.HTMLReporter, org.uncommons.reportng.JUnitXMLReporter</value> </property> </properties> </configuration> </plugin> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>versions-maven-plugin</artifactId> <version>2.3</version> <configuration> <generateBackupPoms>false</generateBackupPoms> </configuration> </plugin> </plugins> </build> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> </project> 应该怎么改
10-19
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.job</groupId> <artifactId>job-management-system</artifactId> <version>1.0.0</version> <packaging>war</packaging> <name>JobManagementSystem</name> <properties> <spring.version>5.3.30</spring.version> <mybatis.version>3.5.13</mybatis.version> <mysql.version>8.0.33</mysql.version> <servlet-api.version>4.0.1</servlet-api.version> <jsp-api.version>2.2</jsp-api.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <!-- Spring MVC --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.3.20</version> </dependency> <!-- MyBatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.5.13</version> </dependency> <!-- MyBatis与Spring整合 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>2.0.7</version> </dependency> <!-- MySQL驱动 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.33</version> </dependency> <!-- 数据库连接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.2.8</version> </dependency> <!-- Servlet API --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>4.0.1</version> <scope>provided</scope> </dependency> <!-- JSP API --> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.2</version> <scope>provided</scope> </dependency> <!-- JSTL --> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- JUnit --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.13.2</version> <scope>test</scope> </dependency> <!-- Spring测试 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>5.3.23</version> <scope>test</scope> </dependency> </dependencies> <build> <finalName>job-management-system</finalName> <plugins> <!-- 编译插件 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <source>8</source> <target>8</target> </configuration> </plugin> <!-- War打包插件 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>3.3.2</version> </plugin> </plugins> </build> </project>要求适用于idea2022版本
最新发布
01-09
<!DOCTYPE html> <html lang="en" xmlns:th="http://www.thymeleaf.org"> <head> <meta charset="UTF-8"> <title>员工信息</title> <script type="text/javascript" th:src="@{/js/vue.global.js}"></script> </head> <body> <table id="dataTable" border="1" cellspacing="0" cellpadding="0" style="text-align:center"> <tr> <th colspan="5">员工信息</th> </tr> <tr> <th>编号</th> <th>姓名</th> <th>邮箱</th> <th>性别</th> <th>操作</th> </tr> <tr th:each="employee : ${employeeList}"> <td th:text="${employee.id}"></td> <td th:text="${employee.lastName}"></td> <td th:text="${employee.email}"></td> <td th:text="${employee.gender}"></td> <td> <a @click="deleteEmployee" th:href="@{'/employee/' + ${employee.id}}">删除</a> <a href="">修改</a> </td> </tr> </table> <form id="deleteForm" method="post"> <input type="hidden" name="_method" value="delete"> </form> <script type="text/javascript"> var vue = new Vue({ el: "#dataTable", methods: { deleteEmployee: function (event) { var deleteForm = document.getElementById("deleteForm"); deleteForm.action = event.target.href; deleteForm.submit(); event.preventDefault(); } } }); </script> </body> </html> //删除员工信息 @RequestMapping(value = "/employee/{id}",method = RequestMethod.DELETE) public String deleteEmployee(@PathVariable("id") Integer id){ employeeDao.delete(id); return "redirect:/employee"; } <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <!--配置编码过滤器--> <filter> <filter-name>CharacterEncodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <init-param> <param-name>forceResponseEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!--配置 处理请求方式put,delete的HiddenHttpmethodFilter--> <filter> <filter-name>hiddenHttpMethodFilter</filter-name> <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class> </filter> <filter-mapping> <filter-name>hiddenHttpMethodFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!--配置SpringMVC的前端控制器DispatcherServlet--> <servlet> <servlet-name>DispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:springMVC.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>DispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app> <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!--开启组件扫描--> <context:component-scan base-package="com.atguigu.rest"/> <!--配置thymeleaf视图解析器--> <bean id="viewResolver" class="org.thymeleaf.spring5.view.ThymeleafViewResolver"> <property name="order" value="1"/> <property name="characterEncoding" value="UTF-8"/> <property name="templateEngine"> <bean class="org.thymeleaf.spring5.SpringTemplateEngine"> <property name="templateResolver"> <bean class="org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver"> <!-- 视图前缀 --> <property name="prefix" value="/WEB-INF/templates/"/> <!-- 视图后缀 --> <property name="suffix" value=".html"/> <property name="templateMode" value="HTML5"/> <property name="characterEncoding" value="UTF-8"/> </bean> </property> </bean> </property> </bean> <!--配置视图控制器--> <mvc:view-controller path="/" view-name="index"></mvc:view-controller> <!--开放对静态资源的访问呢--> <mvc:default-servlet-handler></mvc:default-servlet-handler> <!--开启mvc注解驱动--> <mvc:annotation-driven></mvc:annotation-driven> </beans> 报错 405 找不到方法
07-05
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