fos = null; // Successfully wrapped, no need to close explicitly
            } catch (final Exception e) {
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (final IOException ioe) {
                        // Ignore close exception
                    }
                }

                fos = null; // Successfully wrapped, no need to close explicitly
            } catch (final Exception e) {
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (final IOException ioe) {
                        // Ignore close exception
                    }
                }

                throw new SearchEngineClientException(response.buildFailureMessage());
            }
            return true;
        } catch (final InterruptedException e) {
            throw new InterruptedRuntimeException(e);
        } catch (final ExecutionException e) {
            throw new SearchEngineClientException("Failed to update bulk data.", e);
        }
    }

    /**

            productVersion = majorVersion + "." + minorVersion;
            System.setProperty("fess.version", version);
            System.setProperty("fess.product.version", productVersion);
        } catch (final Exception e) {
            throw new FessSystemException("Failed to parse project.properties.", e);
        }
    }

    /**
     * Destroys the SystemHelper and executes shutdown hooks.
     */

     */
    private static StorageType parseStorageType(final String typeStr) {
        final String upper = typeStr.toUpperCase(Locale.ROOT);
        try {
            return StorageType.valueOf(upper);
        } catch (final IllegalArgumentException e) {
            logger.warn("Unknown storage type: {}, defaulting to S3_COMPAT", typeStr);
            return StorageType.S3_COMPAT;
        }
    }