if (logger.isDebugEnabled()) {
                logger.debug("container was destroyed.");
            }
            return;
        } catch (final Exception e) {
            if (!ComponentUtil.available()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("container was destroyed.");
                }
                return;
            }

            TimeoutManager.getInstance().stop();
            if (logger.isDebugEnabled()) {
                logger.debug("Destroying LaContainer...");
            }
            SingletonLaContainerFactory.destroy();
            logger.info("Destroyed LaContainer.");
        }
    }

    private static int process(final Options options) {
        final Crawler crawler = ComponentUtil.getComponent(Crawler.class);

        }
        final String commandDestroyTimeoutStr = fessConfig.getSystemProperty("thumbnail.command.destroy.timeout");
        if (commandDestroyTimeoutStr != null) {
            commandDestroyTimeout = Long.valueOf(commandDestroyTimeoutStr);
        }
    }

    @Override
    public void destroy() {
        destoryTimer.cancel();
        destoryTimer = null;
    }

    @Override

    @Override
    public void rollback() {
        for (final MultipartFormFile formFile : elementsFile.values()) {
            formFile.destroy();
        }
    }

    // ===================================================================================
    //                                                                            Add Text

                } catch (final Exception e) {
                    // ignore
                }
            }
            if (currentProcess != null) {
                try {
                    currentProcess.destroy();
                } catch (final Exception e) {
                    // ignore
                }
            }
            currentProcess = null;

        }
    }

        }

        KrbAsReqBuilder builder = new KrbAsReqBuilder(principalName, keytab);
        Credentials creds = builder.action().getCreds();
        builder.destroy();

        return Krb5Util.credsToTicket(creds);
    }


    public static Subject getInitiatorSubject ( KerberosPrincipal principal, String password, Long expire ) throws Exception {

        }
        catch ( CIFSException ex ) {
            throw new ServletException("Failed to initialize CIFS context");
        }
    }


    @Override
    public void destroy () {}


    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call

public class WebApiFilter implements Filter {

    @Override
    public void init(final FilterConfig filterConfig) throws ServletException {
        // nothing
    }

    @Override
    public void destroy() {
        // nothing
    }

    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

        }
        if (ComponentUtil.hasIngestFactory()) {
            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    @PreDestroy
    public void destroy() {
        if (!finishCrawling) {
            if (logger.isInfoEnabled()) {
                logger.info("Stopping all crawler.");
            }
            forceStop();
        }
    }

                    public StatsObject load(final String key) {
                        return new StatsObject();
                    }
                });
    }

    @PreDestroy
    public void destroy() {
        if (logger.isDebugEnabled()) {
            logger.debug("cache stats: {}", statsCache.stats());
        }
        statsCache.asMap().entrySet().stream().forEach(e -> {