[jboss-jira] [JBoss JIRA] Closed: (JBAS-4315) Specifiying tag library only by URI picks wrong JSTL core tld

[Wolfgang Knauf (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBAS-4315?page=all ]

Wolfgang Knauf closed JBAS-4315.
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> Specifiying tag library only by URI picks wrong JSTL core tld
> -------------------------------------------------------------
>
>                 Key: JBAS-4315
>                 URL: http://jira.jboss.com/jira/browse/JBAS-4315
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Web (Tomcat) service
>    Affects Versions: JBossAS-4.2.0.CR1
>            Reporter: Wolfgang Knauf
>         Assigned To: Remy Maucherat
>         Attachments: JSTLTest.war
>
>
> I built a web app (spec 2.5) with JSTL usage. I included the JSTL with these two steps:
> 1) added jstl.jar from server\default\deploy\jboss-web.deployer to WEB-INF\lib
> 2) added this to my JSP page:
> <%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
> I did not add c.tld file to WEB-INF, and I did not add a jsp-config element to web.xml.
> I add this to the JSP:
> <c:out test="${sessionScope.someVariable}"></c:out>
> This results in a JSP compilation error:
> org.apache.jasper.JasperException: /index.jsp(14,0) According to the TLD or the tag file, attribute value is mandatory for tag out
> 	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
> 	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
> 	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:236)
> 	org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:802)
> ...
> I finally found that JBoss resolves "c-1_0.tld" which does not allow "rtexprvalue". The problem is that "c.tld" and "c-1_0.tld" have the same URI. 
> I think JBoss should look for the highest version matching the requesting web app.
> Eclipse WTP 1.5 seems to do this the right way because I do not receive validation errors.

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