+ } else if (location.startsWith("reference:file:")) {// a2+reference
+ location = location.substring("reference:".length());
+ Path p = Paths.get(URI.create(location));
+ if (Files.exists(p)) {
+ return p;
+ } else {
+ log.warn("Ignore bundle " + p + " as it does not exist");
+ return null;
+ }