failure = true;
                    res = new DefaultProjectBuildingResult(
                            e.getModelId(),
                            r.request.getSource().getPath() != null
                                    ? r.request.getSource().getPath().toFile()
                                    : null,
                            convert(e.getProblems()));
                }
                results.add(res);

            if (request.getPath().isPresent()) {
                Path path = request.getPath().get();
                res = builder.build(path.toFile(), req);
            } else if (request.getSource().isPresent()) {
                Source source = request.getSource().get();
                ModelSource2 modelSource = new SourceWrapper(source);
                res = builder.build(modelSource, req);
            } else {