jboss-ejb3.xml is ignored for exploded deployments

    private static VirtualFile getDescriptor(final VirtualFile deploymentRoot, final String descriptorName) {
        // Locate the descriptor
        final VirtualFile descriptor;
        // EJB 3.1 FR 20.4 Enterprise Beans Packaged in a .war
        if (isWar(deploymentRoot)) {
            // it's a .war file, so look for the ejb-jar.xml in WEB-INF
            descriptor = deploymentRoot.getChild(WEB_INF + "/" + descriptorName);
        } else if (deploymentRoot.getName().toLowerCase(Locale.ENGLISH).endsWith(JAR_FILE_EXTENSION)) {
            descriptor = deploymentRoot.getChild(META_INF + "/" + descriptorName);
        } else {
            // neither a .jar nor a .war. Return
            return null;
        }

        if (descriptor == null || !descriptor.exists()) {
            // no descriptor found, nothing to do!
            return null;
        }
        return descriptor;
    }