RE: Problem with Tomcat 5.0.19 and JSTL (googleapi.jar conflicts with Jasper)

["Knight, Digby" <Di...@hen.invesco.com>]

Thanks for your help. I tidied up all my code to follow the proper way of
doing things, but it didn't seem to help.

I then tried deleting all the jar files in the lib folder and putting them
back one by one, and it looks like ther is a conflict between the Google API
(googleapi.jar) and Jasper (in 5.0.19 only) so that it can't compile pages
with JSTL taglib directives in. I tried taking out any duplicate classes
from googleapi.jar (DOM, SAX, javax.mail, javax.activation, Crimson), but it
didn't seem to help.

Seems a bit odd - I can't see why this jar would cause a conflict.

Digby


From: Tom K 
Subject: RE: Problem with Tomcat 5.0.19 and JSTL 
Date: Thu, 01 Apr 2004 11:16:54 -0800 

The key to getting Tomcat 5 to work with JSP 2.0 and expression language
is to copy the standard.jar and the jstl.jar (that already exists in
Tomcat5's examples/lib directory)  into the lib directory you are using
for your app. You DO NOT have to edit the web.xml file at all but the
<web-app> tag must be replaced with this:
<web-app 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 
         web-app_2_4.xsd" version="2.4">
Then in your jsp page you are going to use you will have these lines at
the top of your page:
<%-- These two taglib DIRECTIVES define the 
      two tag libraries used on this page--%>
   <%@ taglib prefix="c" 
      uri="http://java.sun.com/jstl/core_rt"; %>
   <%@ taglib prefix="sql" 
      uri="http://java.sun.com/jstl/sql_rt"; %>
Should work then!


Sincerely,

Tom Kochanowicz


-----Original Message-----
From: Knight, Digby [mailto:[EMAIL PROTECTED] 
Sent: Thursday, April 01, 2004 2:09 AM
To: '[EMAIL PROTECTED]'
Subject: Problem with Tomcat 5.0.19 and JSTL

Hi,

I've just installed Netbeans 3.6RC1 which has Tomcat 5.0.19 bundled, and
it
seems to have a problem with JSTL (error below).

I've searched the Web for info, and the only thing I found (2 results in
Google) was a suggestion to upgrade Xerces and Xalan, which I've done at
the
server and webapp level, but it doesn't seem to have made any
difference. I
haven't installed 5.0.19 as a standalone yet, so I don't know if
Netbeans
has introduced the problem, but this seems like the best place to start
looking.

Pages without JSTL work fine, and the error appears when declaring the
taglib (with or without the actual tags on the page).

System: WinXP, no Apache

org.apache.jasper.JasperException: <h3>Validation error messages from
TagLibraryValidator for c</h3><p>null: java.lang.IllegalStateException:
can't declare any more prefixes in this context</p>
        at
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHand
ler.
java:94)
        at
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java
:404
)
        at
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java
:112
)
<trunc>

Any thoughts?

TIA Digby

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