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From "jacob vandergoot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-5358) camel-castor does not work in apache service mix modules
Date Tue, 12 Jun 2012 13:03:43 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-5358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293588#comment-13293588
] 

jacob vandergoot commented on CAMEL-5358:
-----------------------------------------

The code I have included isn't quite right.  Using the Thread.currentThread().getContextClassLoader()
may not work if the java objects are defined in a different OSGi bundle then where the data
format is declared.
                
> camel-castor does not work in apache service mix modules
> --------------------------------------------------------
>
>                 Key: CAMEL-5358
>                 URL: https://issues.apache.org/jira/browse/CAMEL-5358
>             Project: Camel
>          Issue Type: Bug
>          Components: osgi
>    Affects Versions: 2.8.5, 2.9.2
>         Environment: Apache Service Mix: MacOS, Linux, Windows
>            Reporter: jacob vandergoot
>             Fix For: 2.8.6, 2.9.3
>
>
> Sorry for putting this in the wrong component but I did not see a camel-castor component.
> By default, the castor org.exolab.castor.mapping.Mapping will use the class's class loader
to resolve java classes declared in the castor mapping XML file.  However when the CastorDataFormat
is used an a service mix OSGi module, the class loader the contains the Java classes is not
the same as the class loader that loads the Mapping object.  Therefore it cannot load the
mapping file because the Java classes cannot be resolved.  Instead the constructor that takes
Classloader as an argument should be called when initializing the mapping object.  The classloader
it should use is the same classloader used to resolve the castor mapping XML file.
> The following change in AbstractCastorDataFormat seemed to resolve the problem.
> public XMLContext getXmlContext(ClassResolver resolver) throws Exception {
>         if (xmlContext == null) {
>             xmlContext = new XMLContext();
>             if (ObjectHelper.isNotEmpty(getMappingFile())) {
>                 Mapping xmlMap = new Mapping(
>                 		Thread.currentThread().getContextClassLoader());
>                 xmlMap.loadMapping(resolver.loadResourceAsURL(getMappingFile()));
>                 xmlContext.addMapping(xmlMap);
>             }

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