title: How to install JSTL? The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved
body: <p>This is my JSP page's taglib directive:</p>
  
  <p><code>&lt;%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %&gt;</code> </p>
  
  <p><br>
  I'm getting the following ERROR :</p>
  
  <pre><code>HTTP Status 500 - 
  --------------------------------------------------------------------------------
  type Exception report
  message 
  description The server encountered an internal error () that prevented it from fulfilling this request.
  exception 
  org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
  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.generateTLDLocation(TagLibraryInfoImpl.java:315)
  org.apache.jasper.compiler.TagLibraryInfoImpl.&lt;init&gt;(TagLibraryInfoImpl.java:148)
  org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:420)
  org.apache.jasper.compiler.Parser.parseDirective(Parser.java:476)
  org.apache.jasper.compiler.Parser.parseElements(Parser.java:1426)
  org.apache.jasper.compiler.Parser.parse(Parser.java:133)
  org.apache.jasper.compiler.ParserController.doParse(ParserController.java:215)
  org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
  org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:167)
  org.apache.jasper.compiler.Compiler.compile(Compiler.java:306)
  org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
  org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)
  org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
  org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308)
  org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
  org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
  javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  </code></pre>
  
  <p><br>
  I have added the JAR file <em>jstl.jar</em> and <em>standard.jar</em> in the <em>/WEB-INF/lib</em> folder.<br>
  Can anyone tell me where I'm making the mistake?</p>