Question

I am trying jstl code. This is the code from web.xml

<jsp-config>
<taglib>
    <taglib-uri >http://displaytag.sf.net</taglib-uri>
    <taglib-location>WEB-INF/displaytag.tld</taglib-location> 
</taglib>
</jsp-config>

And in my jsp file I have written following line:

<%@ taglib uri="http://displaytag.sf.net" prefix="display" %>

I dont know anything about jstl. And I got this code while searching jstl example on net.As per the note on the net this code is working. But I am getting following exception :

org.apache.jasper.JasperException: File "/WEB-INF/displaytag.tld" not found

The full stack trace :

org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51)
    org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
    org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:116)
    org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:160)
    org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:424)
    org.apache.jasper.compiler.Parser.parseDirective(Parser.java:493)
    org.apache.jasper.compiler.Parser.parseElements(Parser.java:1557)
    org.apache.jasper.compiler.Parser.parse(Parser.java:127)
    org.apache.jasper.compiler.ParserController.doParse(ParserController.java:212)
    org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
    org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:156)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:296)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
    org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:302)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

I have also included jstl.jar and standard.jar file. What is wrong with this code?

Answer 1

This has nothing to do with JSTL. To learn what exactly JSTL is, check our JSTL wiki page.

Displaytag is not part of JSTL. Displaytag is a completely separate taglib which needs to be downloaded from http://displaytag.sf.net. The very same site also contains installation instructions.