如何解决无法解决JSTL依赖关系-Tomcat 500内部错误
我目前正在尝试使用Spring MVC在Tomcat上使用JSP / JSTL。作为* .jar依赖项，我尝试了以下操作：
-
jakarta.servlet.jsp.jstl-1.2.6.jar
-
jakarta.servlet.jsp.jstl-api-1.2.7.jar
-
javax.servlet.jsp.jstl-1.2.1.jar
-
javax.servlet.jsp.jstl-api-1.2.1.jar
web.xml（前几行）
<?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">
jsp文件：
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<html>
<head>
<title>Student Confirmation</title>
</head>
<body>
The student is confirmed: ${student.firstName} ${student.lastName}
<br><br>
Country: ${student.country}
<br><br>
Favorite: ${student.favoriteLanguage}
<br><br>
OS Experiences in:
<c:forEach var="temp" items="${student.osExperiences}">
${temp},</c:forEach>
</body>
</html>
org.apache.jasper.JasperException: Die absolute URI: [http://java.sun.com/jstl/core] kann weder durch web.xml noch durch die JAR-Files dieser Anwendung aufgelöst werden
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:55)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:294)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:81)
org.apache.jasper.compiler.TagLibraryInfoImpl.generateTldResourcePath(TagLibraryInfoImpl.java:251)
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:122)
org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:431)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:489)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1445)
org.apache.jasper.compiler.Parser.parse(Parser.java:144)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:244)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:105)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:206)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:386)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:362)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:346)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:605)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:400)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:171)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1373)
org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1118)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1057)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
javax.servlet.http.HttpServlet.service(HttpServlet.java:652)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
解决方法
使用
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
没有
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
见：
https://jakarta.ee/specifications/tags/2.0/jakarta-tags-spec-2.0.html#multiple-tag-libraries
如果仅此一项不起作用，请添加此依赖项（删除其他依赖项）：
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>jakarta.servlet.jsp.jstl</artifactId>
<version>2.0.0</version>
<scope>runtime</scope>
</dependency>
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