}
                    }
                }
            }
        } catch (Exception e) {
            invalidMetadata(session, trace, metadata, repository, e);
            result.addException(e);
        }

        return (versioning != null) ? versioning : new Versioning();
    }

                        }
                    }
                }
            } catch (IOException e) {
                invalidMetadata(request.getRepositorySession(), trace, metadata, repository, e);
            }
        }

        return null;
    }

    private void invalidMetadata(
            RepositorySystemSession session,
            RequestTrace trace,