[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-665) Seam throws NPE when a component without a @Name is specified in components.xml
Shane Bryzak (JIRA)
jira-events at jboss.com
Wed Jan 17 07:57:54 EST 2007
[ http://jira.jboss.com/jira/browse/JBSEAM-665?page=all ]
Shane Bryzak closed JBSEAM-665.
-------------------------------
Fix Version/s: 1.1.1.GA
Resolution: Done
Assignee: Shane Bryzak
Fixed in CVS.
> Seam throws NPE when a component without a @Name is specified in components.xml
> -------------------------------------------------------------------------------
>
> Key: JBSEAM-665
> URL: http://jira.jboss.com/jira/browse/JBSEAM-665
> Project: JBoss Seam
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.0.GA
> Environment: Win XP Pro
> Java 1.5.0
> Tomcat 6.0.7
> Reporter: Mike Quilleash
> Assigned To: Shane Bryzak
> Fix For: 1.1.1.GA
>
> Attachments: Initialization.diff
>
>
> Example line in components.xml
> <component class="com.xxx.ElementDetail"/>
> Class ElementDetail does not have a @Name (which it should) but class Initialization method installComponentFromXmlElement() throws an NPE on this line.
> name = clazz.getAnnotation(Name.class).value();
> Would be nice to check for the null condition and throw a more descriptive exception of the problem. e.g
> Name nameAnnotation = clazz.getAnnotation( Name.class );
> if ( nameAnnotation == null )
> throw new IllegalArgumentException( "Component class " + class.getName() + " requires a @Name annotation or it's components.xml reference requires a name attribute" );
> name = nameAnnotation.value();
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