https://issues.apache.org/bugzilla/show_bug.cgi?id=50066
Summary: Cannot compile recursive tag with ant if it uses a
class from the webapp
Product: Tomcat 6
Version: 6.0.29
Platform: All
OS/Version: All
Status: NEW
Severity: major
Priority: P2
Component: Jasper
AssignedTo: [email protected]
ReportedBy: [email protected]
The following simple tag file cannot be compiled with the jspc ant task (or the
jpsc maven plugin) :
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"; %>
<%@ taglib prefix="tags" tagdir="/WEB-INF/tags" %>
Hello world !
<c:if test="${false}" >
<tags:recursive />
</c:if>
The error is
org.apache.jasper.JasperException: /WEB-INF/tags/recursive.tag(21,0) Unable to
load tag handler class "org.apache.taglibs.standard.tag.rt.core.IfTag" for tag
"c:if"
It's OK when the compilation is done "online", when the first jsp that uses
this tag is called with a http request.
The problem is that japer's TagFileProcessor does not set the correct
classloader when compiling recursive tags. It works in online mode because the
parent classloader of the jsp classloader is the webapp classloader.
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