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JSP Unterminated ${ tag

 原文  2016-06-14 15:06:44  0   1    java/ html/ jsp/ servlets/ jstl

Question

I create a nav-bar.jsp which I include in all my other JSP files. Here's the setup below.

<%@ taglib  prefix="c"   uri="http://java.sun.com/jsp/jstl/core"  %>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<body>
    <nav>
        <ul>
            <li class="${pageContext.request.requestURI eq '/Final_Student_Project/students.jsp' ? ' active' : ''"><a href="students.jsp">Student</a></li>
            <li class="${pageContext.request.requestURI eq '/Final_Student_Project/courses.jsp' ? ' active' : ''"><a href="courses.jsp">Course</a></li>
            <li class="${pageContext.request.requestURI eq '/Final_Student_Project/results.jsp' ? ' active' : ''"><a href="results.jsp">Result</a></li>
        </ul>
    </nav>
</body>
</html>

The whole point of the tags are to define whether or not that page is active so it can highlight on the nav-bar accordingly.

Stack trace -

SEVERE: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /nav-bar.jsp (line: 8, column: 25) Unterminated ${ tag
    at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
    at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
    at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:133)
    at org.apache.jasper.compiler.Parser.parseELExpression(Parser.java:751)
    at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1439)
    at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
    at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
    at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
    at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:662)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:364)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:747)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:603)
    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:542)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:955)
    at org.apache.jsp.students_jsp._jspService(students_jsp.java:90)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Unknown Source)

1 answers

solution1
 0 ACCPTED  2016-06-14 15:50:50

看起来您错过了第 8、9 和 10 行中' active' : ''之后的}

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