9.3.0 is very old now. (the entire 9.3.x series is on security maintenance
atm and isn't being updated anymore)

There are a number of quirks throughout the 9.3.0 series related to JSTL
and the need (or not) for the WEB-INF/lib/ to contain the appropriate jstl
jar files (or not).
The 9.4.x series on the other hand is much cleaner in this regard.  Have
you tried a more recent / stable version of Jetty?

Joakim Erdfelt / [email protected]


On Wed, Jan 16, 2019 at 11:00 AM Tom Hoffman <[email protected]> wrote:

> I'm using version jetty-9.3.0.v20150612 in an OSGI environment, with v2.5
> of the Servlet specification. I've inherited a mass/mess of old Java
> Servlet code that works, that is replete with security issues. I'm trying
> to address some of the XSS issues by using JSTL. I've added the required
> JSTL directive at the top of the JSP files:
>
>  <%@ taglib uri="http://java.sun.com/jsp/jstl/core"; prefix="c" %>
>
>
> But when I first access this jsp page, it fails and I see the following in
> the error log:
>
> 2019-01-08 20:44:44,606 qtp1697835528-134 WARN
>> org.eclipse.jetty.servlet.ServletHandler -   
>> org.apache.jasper.JasperException:
>> /jsp/applicationsChoice.jsp(1,63) PWC6188: 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
>>         at
>> org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:92)
>
>
> I've seen many old references that suggest there was at one point in time
> issues with JSTL and the Jetty 9.x release. Is this old information? Can
> someone supply a pointer or two?
>
> *~~~~~~~~~~~~~~~~~~~*
> *Tom Hoffman*
>
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