[ http://jira.codehaus.org/browse/CONTINUUM-2049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=164069#action_164069 ] 

Bob Walker commented on CONTINUUM-2049:
---------------------------------------

I was forced to try Hudson, which from v1.280 works out of the box on JBoss 5.0.0.GA.

> ClassCastException deploying Continuum.war on JBoss-5.0.0.GA
> ------------------------------------------------------------
>
>                 Key: CONTINUUM-2049
>                 URL: http://jira.codehaus.org/browse/CONTINUUM-2049
>             Project: Continuum
>          Issue Type: Bug
>          Components: Environmental
>    Affects Versions: 1.2.3
>         Environment: Windows Server 2003 R2 and XP SP3,  Sun JDK JVM 1.6.0_11, running JBoss 5.0.0.GA 
>            Reporter: Bob Walker
>            Priority: Minor
>         Attachments: stacktrace.txt
>
>
> I'm launching the default server configuration for a clean JBoss 5.0.0.GA installation and deploying continuum.war into the deploy/ directory. 
> Having tried to adapt the instructions for 4.x.x here:
> http://docs.codehaus.org/display/CONTINUUMUSER/Continuum+on+JBoss
> , I've set up data sources and made the derby jar available.
> When I start the server or redeploy, I get a ClassCastException: org.apache.xerces.jaxp.DocumentBuilderFactoryImpl cannot be cast to javax.xml.parsers.DocumentBuilderFactory
> I tried removing log4j and some of the xml-related jars as described in the Archiva/JBoss doc here:
> http://cwiki.apache.org/ARCHIVA/archiva-on-jboss.html
> This gets me further, but fails with the same error when loading spring context configuration further down the road.
> I've also tried removing xalan/xerces and letting it use the default endorsed version supplied by JBoss, this gives me different ClassLoader errors, at which point I gave up and began writing my findings here.
> I'm guessing it's a fairly simple classloader issue with xalan and xerces, but it's got me stumped. Any hints? I've tried it with v1.3.1 as well, with the same result.
>  
>  

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