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I'm new with JSP and i got the following error:

HTTP Status 500 - 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

calling this taglib:

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

After some searches, i known that it is a JSP tag-library problem and then, with tomcat 7, i ought to put the library jstl-1.2.jar, which i've downloaded, into the folder WEB-INF/lib checking that all permissions was right. Well, i've just done it refreshing tomcat7 but nothing is happened.

This is the directory path, created by NetBeans together with the project:

/var/lib/tomcat7/webapps/jsp_test/web/WEB-INF/lib

(the last path "lib" is created by me).

Where is my error? Could anyone explain better how the things work please?

Roberto Rizzi
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  • What is *jstl-1.2.jsp* ? It should be *jstl-1.2.jar* ![This](http://download.java.net/maven/1/jstl/jars/jstl-1.2.jar) jar . – AllTooSir Jul 24 '13 at 10:59
  • http://stackoverflow.com/a/9977825/112500 http://stackoverflow.com/a/8701326/112500 http://download.java.net/maven/glassfish/org/glassfish/web/jstl-impl/1.2/ – Shashi Jul 24 '13 at 11:02
  • Yeah jar, i'm sorry :) – Roberto Rizzi Jul 24 '13 at 11:06
  • moreover sometimes when i refresh the page i got another error instead the above one: `HTTP Status 500 - java.lang.ClassNotFoundException: org.apache.jsp.index_jsp` I'm a little bit' confused :( – Roberto Rizzi Jul 24 '13 at 11:11
  • remove servlet-api.jar and jsp-api.jar from web-inf/lib folder if exists... restart the server... – Shashi Jul 24 '13 at 12:41
  • in my WEB-INF/lib i have just the _jstl-1.2.jar_ and nothing else. Moreover i've seen in similar issues, that i have to remove the _standard.jar_. Where is it? – Roberto Rizzi Jul 24 '13 at 13:09
  • Must i set up something in my _beans.xml_, downstairs the lib folder? – Roberto Rizzi Jul 24 '13 at 13:49

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