scannotation fails on JBoss AS 6: VFS

[fcorneli]

Hi,

I'm writing a Java EE application that is using scannotation to scan the classes within my EJB JAR for the presence of a certain custom annotation. All works fine within my unit test. Unfortunately the AnnotationDB explodes when deploying my application on JBoss AS 6.0.0.Final.

Caused by: java.io.IOException: Unable to scan directory of protocol: vfs

          at org.scannotation.archiveiterator.IteratorFactory.create(IteratorFactory.java:39) [:6.0.0.Final]

          at org.scannotation.AnnotationDB.scanArchives(AnnotationDB.java:291) [:6.0.0.Final]

Any guidelines on how to do annotation based scanning on JBoss AS 6?

[nickarls]

Not sure if this applies but have you read http://bill.burkecentral.com/2008/01/14/scanning-java-annotations-at-runtime/ ?

There is also http://code.google.com/p/reflections/

[fcorneli]

What is suggested on that blog is exactly what I've tried. Unfortunately this no longer works because of JBoss VFS's custom vfs URL prefix. Seems like the reflections project has a solution for this:

http://code.google.com/p/reflections/issues/detail?id=63

But this requires you to build reflections from the source as this patch is not yet part of a release.

Weird that EJB 3.1 does not include anything for annotation based scanning (this would allow for interesting custom annotation based extensions). Something like:

@Resource

Scanner scanner;

Set<String> myClassNames = scanner.getTypeAnnotatedClassNames(MyAnnotation.class, ScannerScope.EJB_JAR);

[nickarls]

What is the status of JBoss Papaki (previous JBoss Annotations)?. Is it used anywhere?