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Editorial Team
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Asked: 2026-05-22T16:35:18+00:00

I wrote a web application with Eclipse Tomcat and it works on my local

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I wrote a web application with Eclipse Tomcat and it works on my local Tomcat 7, when I tried to publish it online on a Tomcat 7, I had the following error:

SEVERE: Servlet.service() for servlet [obliquid.servlet.Index] in context with path [/cp] threw exception [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]

Tomcat 7 has “Spec versions: Servlet 3.0, JSP 2.2, EL 2.2”, so JSTL is not included?

When I tried to upload standard.jar and jstl.jar I had the following error:

org.apache.jasper.JasperException: /jsp/index.jsp (line: 3, column: 62) Unable to read TLD “META-INF/c.tld” from JAR file “jndi:/localhost/cp/WEB-INF/lib/standard.jar”: org.apache.jasper.JasperException: Failed to load or instantiate TagLibraryValidator class: org.apache.taglibs.standard.tlv.JstlCoreTLV

I did some googling, but I couldn’t sort it out, some said it could be caused by conflicting versions of the jars. Maybe I should not include those jars and use a different JSTL url? Mine is for JSTL 1.1 I think, is there a new URL for JSTL 1.2?

What should I do to solve the problem and make this application run?

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1 Answer

  1. Editorial Team

    Tomcat has never included JSTL.

    You should put the jstl and standard jars in WEB-INF/lib (you’ve done that), and make sure you have the permissions to read them (chmod)

    Your URI is correct and it should work (works here)

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