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Date: Thu, 01 Dec 2005 06:47:39 -0500
From: Tim Funk <funkman@joedog.org>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Recursive Tagfile and JSP Precompilation
References: <6d5c6d1a0511301655x1a426c0an278ca7a4832240d0@mail.gmail.com>
 <6d5c6d1a0511301758o5cf6b92ak77bd5cbaae9fa66e@mail.gmail.com>
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IIRC - this is fixed in 5.5. I'm not sure if it was fixed with 5.5.12 - but 
5.5.13 was just tagged and should be available soon. BUT it hasn't been voted 
how stable it is yet. (beta, alpha, stable)

-Tim

Peter L wrote:
> Hello,
> I'm trying to precompile JSP's for a JBoss(4.0.1) / Tomcat(5.0) server
> and everything is cool except I get a ClassNotFoundException when a
> Recursive Tagfile is encountered....
> 
> [jasper2] SEVERE: ERROR-the file
> '\WEB-INF\pages\templates\resolveResultsDialog.jsp' generated the
> following general exception:
> [jasper2] java.lang.ClassNotFoundException:
> org.apache.taglibs.standard.tlv.JstlCoreTLV
> [jasper2]     at java.net.URLClassLoader$1.run(URLClassLoader.java:199)
> [jasper2]     at java.security.AccessController.doPrivileged(Native Method)
> [jasper2]     at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
> [jasper2]     at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
> [jasper2]     at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
> [jasper2]     at
> org.apache.jasper.compiler.TagLibraryInfoImpl.createValidator(TagLibraryInfoImpl.java:645)
> [jasper2]     at
> org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.java:246)
> [jasper2]     at
> org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:162)
>    <omitted for brevity>
> 
> If I comment out the actual line of recursion inside the tag file I
> can generate, compile, deploy and use all the servlets just fine
> (except for the missing functionality).
> 
> I understand we use a jstl.jar and a standard.jar that are a little
> suspect.  But given that there are no other similar jars available
> during the process then it should be fine (That and I upgraded them to
> 1.1.2 temporarily and got the same result).
> 
> Questions:
> - Why does dynamic compilation work?  What is Tomcat doing differently?
> - Is there a Jasper configuration inside Tomcat I can inspect? (I
> couldn't find it in server.xml)
> 
> Bonus Questions:
> - Is there an easy way to precompile jsp's (for error checking and
> initial speed) and retain runtime customizability?
> - Will this rash ever go away? </kidding>
> 
> Thank you in advance for your consideration / help,
> Pete
> 
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