this.extenderVersion = OsgiBundleUtils.getBundleVersion(context.getBundle());
log.info("Starting [" + bundleContext.getBundle().getSymbolicName() + "] bundle v.[" + extenderVersion + "]");
// Step 1 : discover existing namespaces (in case there are fragments with custom XML definitions)
nsManager = new NamespaceManager(context);
// register listener first to make sure any bundles in INSTALLED state
// are not lost
nsListener = new NamespaceBundleLister();
context.addBundleListener(nsListener);