在Intellij IDEA中无法使用uri解析taglib [英] Cannot resolve taglib with uri in Intellij IDEA
问题描述
在
为什么会这样？是否还有其他地方可以在 IDEA 中添加这些库？在此先感谢
在使用基于Spring的项目时，我收到了类似的消息。我通过在pom.xml中添加以下依赖项解决了这个问题
< dependency>
< groupId> org.apache.tomcat.embed< / groupId>
< artifactId> tomcat-embed-jasper< / artifactId>
< scope>提供< / scope>
< / dependency>
<！ - https://mvnrepository.com/artifact/javax.servlet/jstl - >
< dependency>
< groupId> javax.servlet< / groupId>
< artifactId> jstl< / artifactId>
< version> 1.2< / version>
< / dependency>
下一个打开的终端再做maven clean install
mvn -U clean install
By looking at the tutorial series JSP, Servlets and JDBC for Beginners: Build a Database App on Udemy done by Chad Darby and with the help of BalusC answer I wrote the following code in Intellij IDEA
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%--To use JSTL core tags we need to import the following URL with prefix--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<%
// need to define a sample array
String cities[]={"City1","City2","City3","City4"};
// to use JSTL tags they have a to be a part of an attribute, either in the scope of the pageContext, session or application
pageContext.setAttribute("myCities",cities);
%>
<body>
<%-- for printing them in for each loop--%>
<c:forEach var="cityName" items="${myCities}" >
<%-- here we are using JSP expression language as ${...}}--%>
${cityName} <br/>
</c:forEach>
</body>
</html>
and add the JSTL libs under WEB-INF/lib as suggested by both the author of the tutorial (note: tutorial is done on Eclipse IDE) and BalusC answer. The code works fine, but IDEA editor give me
cannot resolve taglib with uri http://java.sun.com/jsp/jstl/core
and
cannot resolve symbol 'c:forEach'
and those lines are in red color as seen in the image
Why is this happening?. Is there any other place to add those libraries in IDEA? Thanks in advance
I got similar kind of message while working with spring based project. I resolved it by adding following dependencies inside pom.xml
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
next open terminal and then do maven clean install
mvn -U clean install
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