Struts JSP 页面显示不正确，在浏览器中显示未解析的源代码
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【中文标题】Struts JSP 页面显示不正确，在浏览器中显示未解析的源代码【英文标题】：Struts JSP page does not display correctly, it shows the unparsed source code in browser 【发布时间】：2016-04-27 20:49:15 【问题描述】：我使用 Tomcat 8 和 Struts 1.3.10
当我执行我的应用程序时
http://127.0.0.1:8080/appli/welcome.jsp
我的浏览器里有这个
"> ">
控制台消息：
2016-01-21 15:20:39 调试 ModuleUtils:171 - 获取路径的模块名称 /generic/authentification/Login.do 2016-01-21 15:20:39 调试 ModuleUtils:196 - 找到的模块名称：默认 2016-01-21 15:20:39 DEBUG RequestProcessor:161 - 处理路径的“GET” '/generic/authentification/Login' 2016-01-21 15:20:39 DEBUG TilesRequestProcessor:265 - uri=/WEB-INF/jsp/generic/tiles/template_blank.jsp doInclude=false 2016-01-21 15:25:12 DEBUG ApplicationFilter:59 - 请求的路径： '/accueil.jsp' - 方法：GET 2016-01-21 15:25:12 DEBUG ApplicationFilter:63 - 访问被拒绝 2016-01-21 15:25:12 DEBUG ModuleUtils:171 - 获取路径的模块名称 /generic/authentification/Login.do 2016-01-21 15:25:12 调试 ModuleUtils:196 - 找到的模块名称：默认 2016-01-21 15:25:12 DEBUG RequestProcessor:161 - 处理路径的“GET” '/generic/authentification/Login' 2016-01-21 15:25:12 调试 TilesRequestProcessor:265 - uri=/WEB-INF/jsp/generic/tiles/template_blank.jsp doInclude=false
怎么了？我忘记配置了 有些东西？
我的 Pom.xml：
<?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.project</groupId>
<artifactId>appli</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>appli</name>
<dependencies>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-web-api</artifactId>
<version>7.0</version>
<scope>provided</scope>
</dependency>
<!-- Applicatif -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.0.7.Final</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-core</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-extras</artifactId>
<version>1.3.10</version>
</dependency>
<!-- JSP TLD -->
<dependency>
<groupId>net.fckeditor</groupId>
<artifactId>java-core</artifactId>
<version>2.6</version>
</dependency>
<!-- <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId>
<version>1.1.2</version> </dependency> -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-taglib</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-el</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-tiles</artifactId>
<version>1.3.10</version>
</dependency>
<!-- Birt -->
<dependency>
<groupId>org.eclipse.birt.runtime</groupId>
<artifactId>org.eclipse.birt.runtime</artifactId>
<version>4.3.0</version>
<exclusions>
<exclusion>
<artifactId>org.apache.poi</artifactId>
<groupId>org.eclipse.birt.runtime</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.9</version>
</dependency>
<!-- Divers -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>com.novell.ldap</groupId>
<artifactId>jldap</artifactId>
<version>2009-10-07</version>
</dependency>
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>javax.mail-api</artifactId>
<version>1.5.5</version>
</dependency>
</dependencies>
<build>
<finalName>apex</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<archive>
<manifestEntries>
<Specification-Title>J2EE Servlet</Specification-Title>
<Specification-Version>2.5</Specification-Version>
<Specification-Vendor>Sun Microsystems</Specification-Vendor>
<Implementation-Title>$pom.name</Implementation-Title>
<Implementation-Version>$pom.version</Implementation-Version>
<Implementation-Vendor>$pom.organization.name</Implementation-Vendor>
<Built-By>me</Built-By>
<Implementation-URL>$pom.url</Implementation-URL>
</manifestEntries>
</archive>
<compilerArguments>
<endorseddirs>$endorsed.dir</endorseddirs>
</compilerArguments>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<phase>validate</phase>
<goals>
<goal>copy</goal>
</goals>
<configuration>
<outputDirectory>$endorsed.dir</outputDirectory>
<silent>true</silent>
<artifactItems>
<artifactItem>
<groupId>javax</groupId>
<artifactId>javaee-endorsed-api</artifactId>
<version>7.0</version>
<type>jar</type>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
welcome.jsp：
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Login Example</title>
</head>
<body>
<html:form action="/login" focus="userName">
Username : <html:text property="userName" />
<br>
Password : <html:password property="password" />
<br>
<html:submit value="login" />
</html:form>
</body>
</html>
web.xml
当我评论这两行时，一切正常，但是当我取消评论这一行时，我有 pb
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
<display-name>Struts Blank Application</display-name>
<!-- Standard Action Servlet Configuration -->
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<!-- <init-param> <param-name>chainConfig</param-name> <param-value>org/apache/struts/tiles/chain-config.xml</param-value>
</init-param> -->
<load-on-startup>2</load-on-startup>
</servlet>
<!-- Standard Action Servlet Mapping -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<!-- <servlet-mapping> -->
<!-- <servlet-name>jsp</servlet-name> -->
<!-- <url-pattern>/javascript/generic/messages.js</url-pattern> -->
<!-- </servlet-mapping> -->
<!-- <servlet-mapping> -->
<!-- <servlet-name>jsp</servlet-name> -->
<!-- <url-pattern>*.css</url-pattern> -->
<!-- </servlet-mapping> -->
<!-- The Usual Welcome File List -->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
【问题讨论】：
尝试发布你的welcome.jsp @Abdelhak 我已经发布了我的 jsp 问题表明 JSP 引擎根本没有运行。这反过来表明您在web.xml 中以某种方式覆盖了它。例如，通过在/* 的 URL 模式上错误地映射不同的 servlet。
【参考方案1】：
如果你在jsp页面中有未解析的代码意味着
JSP 引擎根本没有运行
您已覆盖 web.xml 中的 Web 配置。因为你没有发布它的问题我不能告诉你哪里错了。可能是您错误地将action servlet 映射到/*。这只是标准配置
<!-- Standard Action Servlet Configuration -->
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<!-- Standard Action Servlet Mapping -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
【讨论】：
我在 web.xml 中添加了解释 删除这些行。将js和css文件映射到jsp是废话。以上是关于Struts JSP 页面显示不正确，在浏览器中显示未解析的源代码的主要内容，如果未能解决你的问题，请参考以下文章
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