* @see java.lang.Object#finalize()
     */
    @Override
    protected void finalize() throws Throwable {
        try {
            if (isConnected() && this.usageCount.get() != 0) {
                log.warn("Tree was not properly released, performing emergency cleanup: " + this);
                emergencyCleanup();
            }
        } catch (Exception e) {
            log.error("Error during tree finalization", e);

            try {
                webAuthenticationService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

                    log.debug("NtlmHttpFilter: " + ntlm + " successfully authenticated against " + dc);
                }
            } catch (final SmbAuthException sae) {
                log.warn("NtlmHttpFilter: " + ntlm.getName() + ": 0x" + jcifs.util.Hexdump.toHexString(sae.getNtStatus(), 8) + ": " + sae);
                if (sae.getNtStatus() == NtStatus.NT_STATUS_ACCESS_VIOLATION) {
                    /*

     * @return true if error was handled and connection recovered, false if fallback needed
     */
    public boolean handleRdmaError(RdmaConnection connection, Exception error) {
        log.warn("RDMA error occurred: {}", error.getMessage());
        statistics.recordError();

        if (isRecoverableError(error)) {
            return attemptRecovery(connection, error);
        } else {

            try {
                webConfig = webConfigService.getWebConfig(getWebConfigId()).get();
            } catch (final Exception e) {
                logger.warn("Web Config {} does not exist.", getWebConfigId(), e);
            }
        }
        return webConfig;
    }

    @Override
    public String toString() {

        try {
            return groovyShell.evaluate(template);
        } catch (final JobProcessingException e) {
            throw e;
        } catch (final Exception e) {
            logger.warn("Failed to evaluate groovy script: {} => {}", template, paramMap, e);
            return null;
        } finally {
            final GroovyClassLoader loader = groovyShell.getClassLoader();
            loader.clearCache();

                String[] inputs;
                String output;

                final Matcher m = parsePattern.matcher(replacedLine);

                if (!m.find()) {
                    logger.warn("Failed to parse {} in {}", line, path);
                    if (updater != null) {
                        updater.write("# " + line);
                    }
                    continue;
                }

                        postcard.setClusterstatus(ping.getClusterStatus());
                    });
                } catch (final Exception e) {
                    logger.warn("Failed to send a test mail.", e);
                } finally {
                    SMailCallbackContext.clearPreparedMessageHookOnThread();
                }
            }
            resultBuf.append("Status of ")

        MAX_FD=$( ulimit -H -n ) ||
            warn "Could not query maximum file descriptor limit"
    esac
    case $MAX_FD in  #(
      '' | soft) :;; #(
      *)
        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
        # shellcheck disable=SC2039,SC3045
        ulimit -n "$MAX_FD" ||
            warn "Could not set maximum file descriptor limit to $MAX_FD"
    esac

  private Lock[] plainLocks;
  private Lock[] detectingLocks;

  @BeforeExperiment
  void setUp() throws Exception {
    this.factory = CycleDetectingLockFactory.newInstance(CycleDetectingLockFactory.Policies.WARN);
    this.plainLocks = new Lock[lockNestingDepth];
    for (int i = 0; i < lockNestingDepth; i++) {
      plainLocks[i] = new ReentrantLock();
    }
    this.detectingLocks = new Lock[lockNestingDepth];