[jboss-jira] [JBoss JIRA] (WFLY-2690) JSP/JSPX tags doesn't work with Wildfly CR1

[Stuart Douglas (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-2690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stuart Douglas reassigned WFLY-2690:
------------------------------------

    Assignee: Jozef Hartinger  (was: Stuart Douglas)


Jozef, any chance that you could have a look at this? Basically this issue is that Jasper creates multiple classes with the same name but different class loaders, and Weld can't really handle it (see the earlier comment about the underlying cause). 
                
> JSP/JSPX tags doesn't work with Wildfly CR1
> -------------------------------------------
>
>                 Key: WFLY-2690
>                 URL: https://issues.jboss.org/browse/WFLY-2690
>             Project: WildFly
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Web (Undertow)
>    Affects Versions: 8.0.0.CR1
>         Environment: OpenJDK Runtime Environment (fedora-2.4.3.0.fc18-x86_64 u45-b15)
> OpenJDK 64-Bit Server VM (build 24.45-b08, mixed mode)
>            Reporter: Otávio Garcia
>            Assignee: Jozef Hartinger
>
> My app works fine on JBoss AS 7.1. When I migrate to Wildfly 8.0.0 CR1, my JSP tags don't work as expected. My project is a EAR with WAR module.
> When app starts, in the 1st access to page A, tag file is compiled and the page are rendered fine. But when I access another page (B in example), I got this error: org.apache.jasper.JasperException: java.lang.ClassCastException: org.apache.jsp.tag.web.default_tagx cannot be cast to org.apache.jsp.tag.web.default_tagx
> If I restart Wildfly and try to access page B, works fine. But when I access page A, I got the same error.
> My default.tagx is bellow:
> <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:html="http://www.w3.org/1999/xhtml" version="2.2">
>     <jsp:output doctype-root-element="HTML" doctype-system="about:legacy-compat" omit-xml-declaration="yes" />
>     some code
>     <jsp:doBody />
>     more code
> </jsp:root>
> And the pages are somethink like this:
> <tags:default xmlns:tags="urn:jsptagdir:/WEB-INF/tags" xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:html="http://www.w3.org/1999/xhtml">
>     <jsp:output omit-xml-declaration="yes" />
>     my code here
> </tags:default>
> I was created a new empty project with two pages and one tagfile. The error don't occurs. But when I add CDI capabilities, the error occurs. There are something in CDI that confuses Jastow?
> As discussed here: https://community.jboss.org/message/850730

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