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04.07.2007 at 08:02AM PDT, ID: 22497755
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Adding <taglib> to web.xml

Tags: taglib, intellij
Hi, Im using Intellij IDEA and working through a JSTL book. When I try and add the <taglib> directive to my web.xml file to reference the jstl tags, Intellij highlights the directive as being invalid for web.xml.

I dont understand why the book says ive to add the taglib tag, but intellj wont let me do it?!?!
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Question Stats
Zone: Programming
Question Asked By: colr__
Solution Provided By: rrz@871311
Participating Experts: 3
Solution Grade: A
Views: 75
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04.07.2007 at 08:21AM PDT, ID: 18869636

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04.07.2007 at 08:35AM PDT, ID: 18869683

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04.07.2007 at 09:00AM PDT, ID: 18869743

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04.07.2007 at 10:12AM PDT, ID: 18869938

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04.07.2007 at 10:42AM PDT, ID: 18869990

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04.07.2007 at 12:50PM PDT, ID: 18870245

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04.07.2007 at 05:12PM PDT, ID: 18870744

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04.07.2007 at 08:21AM PDT, ID: 18869636
can you post the web.xml?
 
04.07.2007 at 08:35AM PDT, ID: 18869683
Ensure that this is how the taglib is defined

taglib>        
<taglib-uri>mytags</taglib-uri>        
<taglib-location>/WEB-INF/taglib.tld</taglib-location>    
</taglib>

Also ensure that the taglib tag appears in the order specified below

<!ELEMENT web-app (icon?, display-name?, description?, distributable?,
context-param*, filter*, filter-mapping*, listener*, servlet*,
servlet-mapping*, session-config?, mime-mapping*, welcome-file-list?,
error-page*, taglib*, resource-env-ref*, resource-ref*, security-constraint*,
login-config?, security-role*, env-entry*, ejb-ref*,  ejb-local-ref*)>

Some of the tags are not mandatory. What is important to maintain the order of the tags
 
04.07.2007 at 09:00AM PDT, ID: 18869743

Rank: Master

>I dont understand why the book says ive to add the taglib tag, but intellj wont let me do it?!?!  
Is it an old book ? Does it describe JSTL 1.0 ?    If you are using JSTL 1.1(and JSP 2.0) then the TLD's are in the jars. There is no need to add anything to your web.xml in order to use JSTL 1.1  .  Just put the jars in your classpath. If you are using Tomcat 6  put the jars in  <TomcatHome>/lib. If you are using Tomcat 5 then put them in <TomcatHome>/common/lib.
 
04.07.2007 at 10:12AM PDT, ID: 18869938
rrz@871311 - yeh, im using 1.0 jstl, following what the book is using, although im also using tomcat 5. So I need to add the tld files. Although I can use 1.1 jstl, Id rather work with what the book is using for the timebeing.

Jaax - I copied your example, and checked the ordering but intellij is still highlighting it in red, with a comment 'element taglib is not allowed here'. Ive listed my web.xml below - perhaps im using the wrong DTD? It was auto-generated by Intellij.

--------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
         xmlns="http://java.sun.com/xml/ns/j2ee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" >

    <servlet>
        <servlet-name>action</servlet-name>
        <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
        <init-param>
            <param-name>config</param-name>
            <param-value>/WEB-INF/struts-config.xml</param-value>
        </init-param>
        <load-on-startup>2</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>action</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    <taglib>
        <taglib-uri>mytags</taglib-uri>
        <taglib-location>/WEB-INF/taglib.tld</taglib-location>
    </taglib>
</web-app>
--------------------------------
 
04.07.2007 at 10:42AM PDT, ID: 18869990

Rank: Master

I don't really know if you can use JSTL 1.0 with Tomcat 5. But you might try using this.
<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>
your tags here in the proper order as posted by Jaax above
</web-app>

Since you are using Tomcat 5, you should really use JSTL 1.1.2  and stay with the root tag you posted in your web.xml.
 In Servlet 2.4  the order of elements in your web.xml does not matter.
Accepted Solution
 
04.07.2007 at 12:50PM PDT, ID: 18870245
rrz@871311 - changed the dtd and it sorted the problem. Im obviously not using the most up to date versions, but I I would rather stick to to the book for the timebeing then look at the new develoments once Ive got that sorted.

Thanks for the help.
 
04.07.2007 at 05:12PM PDT, ID: 18870744

Rank: Master

Thanks for closing, but you should have split the points.  
 
 
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