if (response.getHttpStatusCode() == 200) {
                logger.info("Flushed config files.");
            } else {
                logger.warn("Failed to flush config files.");
            }
        } catch (final Exception e) {
            logger.warn("Failed to flush config files.", e);
        }
    }

                buf.append(t.getMessage());
            }
            try (final StringWriter sw = new StringWriter(); final PrintWriter pw = new PrintWriter(sw)) {
                t.printStackTrace(pw);
                pw.flush();
                buf.append(" [ ").append(sw.toString()).append(" ]");
            } catch (final IOException ignore) {}
            return buf.toString();
        };
        final String message;