toolchainsSource.getLocation(),
                    loc != null ? loc.getLineNumber() : -1,
                    loc != null ? loc.getColumnNumber() : -1,
                    e,
                    "Non-parseable toolchains " + toolchainsSource.getLocation() + ": " + e.getMessage(),
                    BuilderProblem.Severity.FATAL));
            return PersistedToolchains.newInstance();
        } catch (IOException e) {

                }
            }
        } catch (XmlReaderException e) {
            problems.add(
                    Severity.FATAL,
                    ModelProblem.Version.BASE,
                    "Non-parseable POM " + modelSource.getLocation() + ": " + e.getMessage(),
                    e);
            throw problems.newModelBuilderException();
        } catch (IOException e) {
            String msg = e.getMessage();

                    settingsSource.getLocation(),
                    loc != null ? loc.getLineNumber() : -1,
                    loc != null ? loc.getColumnNumber() : -1,
                    e,
                    "Non-parseable settings " + settingsSource.getLocation() + ": " + e.getMessage(),
                    BuilderProblem.Severity.FATAL));
            return Settings.newInstance();
        } catch (IOException e) {