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  • the springapp sample -- jstl.jar and standard.jar

    I am using eclipse 3.3.1 and the 2.01 Spring IDE plugin, and I am trying to follow the instructions in "Developing a Spring Framework MVC application step-by-step",

    I got to to "2.1. Configure JSTL and add JSP header file",,
    when I ran into something that raises a question.

    I created "'springapp/war/WEB-INF/jsp/include.jsp", i.e.:

    <%@ page session="false"%>
    <%@ taglib prefix="c" uri="" %>
    <%@ taglib prefix="fmt" uri="" %>

    and eclipse flags the URI's as errors, saying: "Cannot find the tag library descriptor for ...yada, yada, yada"

    Now mind you, I did copy jstl.jar and standard.jar to 'springapp/war/WEB-INF/lib/'.

    To solve this problem, I went to the Project / Properties / Java Build Path dialog and added the jstl.jar and standard.jar as external jars and eclipse became happy.

    Now here is my questions:

    I can go to the Project / Properties / Java Build Path dialog, invoke Add JARs, and navigate to the "springapp/war/WEB-INF/lib/" directory where I can see:
    and ONLY these jar files, even though, in the file system, that directory also contains:
    Why doesn't eclipse display all of the jar files in that directory, and why do I have to add the taglib jar files as exernal jars???