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Posted to dev@myfaces.apache.org by "Peter Muir (JIRA)" <de...@myfaces.apache.org> on 2006/05/11 15:55:05 UTC
[jira] Created: (MYFACES-1305) 'is no' hides ClassNotFoundException
'is no' hides ClassNotFoundException
------------------------------------
Key: MYFACES-1305
URL: http://issues.apache.org/jira/browse/MYFACES-1305
Project: MyFaces Core
Type: Bug
Components: General
Versions: 1.1.3
Reporter: Peter Muir
A confusing error message
The exception
java.lang.IllegalArgumentException: Class org.jboss.seam.jsf.SeamNavigationHandler is no javax.faces.application.NavigationHandler
was thrown because the class loader couldn't find org.jboss.seam.jsf.SeamNavigationHandler not because it doesn't extend/implement.
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[jira] Commented: (MYFACES-1305) 'is no' hides
ClassNotFoundException
Posted by "Bruno Aranda (JIRA)" <de...@myfaces.apache.org>.
[ http://issues.apache.org/jira/browse/MYFACES-1305?page=comments#action_12415681 ]
Bruno Aranda commented on MYFACES-1305:
---------------------------------------
The code you are talking about is on org.apache.myfaces.config.FacesConfigurator, 531:
Class implClass = ClassUtils.simpleClassForName(implClassName);
// check, if class is of expected interface type
if (!interfaceClass.isAssignableFrom(implClass))
{
throw new IllegalArgumentException("Class " + implClassName + " is no " + interfaceClass.getName());
}
But, ClassUtil.simpleClassForName() checks already if the class exist. If not it would throw a FacesException, caused by the ClassNotFoundException and the IllegalArgumentException would never be reached. Peter, are you sure that a ClassNotFoundException happens?
> 'is no' hides ClassNotFoundException
> ------------------------------------
>
> Key: MYFACES-1305
> URL: http://issues.apache.org/jira/browse/MYFACES-1305
> Project: MyFaces Core
> Type: Bug
> Components: General
> Versions: 1.1.3
> Reporter: Peter Muir
> Priority: Minor
>
> A confusing error message
> The exception
> java.lang.IllegalArgumentException: Class org.jboss.seam.jsf.SeamNavigationHandler is no javax.faces.application.NavigationHandler
> was thrown because the class loader couldn't find org.jboss.seam.jsf.SeamNavigationHandler not because it doesn't extend/implement.
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