protected void handleFileUploadException(final FileUploadException e) throws ServletException {
        // suppress logging because it can be caught by logging filter
        //log.error("Failed to parse multipart request", e);
        throw new ServletException("Failed to upload the file.", e);
    }

    // ===================================================================================

    int NT_STATUS_CANNOT_DELETE = 0xC0000121;
    /** The format of the specified computer name is invalid */
    int NT_STATUS_INVALID_COMPUTER_NAME = 0xC0000122;
    /** The pipe operation has failed because the other end of the pipe has been closed */
    int NT_STATUS_PIPE_BROKEN = 0xC000014b;
    /** The specified local group does not exist */
    int NT_STATUS_NO_SUCH_ALIAS = 0xC0000151;

        final String errorDetail = "Authentication failed";
        final VaMessenger<FessMessages> complexMessageCode =
                messages -> messages.addErrorsFailedToProcessSsoRequest(UserMessages.GLOBAL_PROPERTY_KEY, errorDetail);
        final String message = "SSO processing failed";

        // Execute

            TransportException exception = new TransportException("Transport failed", rootCause);

            String result = exception.toString();

            assertNotNull(result);
            assertTrue(result.contains("Transport failed"));
            assertTrue(result.contains("IllegalStateException"));
            assertTrue(result.contains("Outer exception"));

        } else {
            log.error("Preauth integrity validation FAILED for session {}", sessionId);
            context.invalidate();
            if (enforceIntegrity) {
                throw new CIFSException("Preauth integrity validation failed - possible downgrade attack detected");
            }
        }

        return isValid;
    }

    /**

                        set.add(e);
                    }
                }
            } catch (final IOException ioe) {
                log.debug("DS enumeration failed", ioe);
            }
        }

        final SmbTreeConnection treeConn = SmbTreeConnection.create(tc);
        try (SmbTreeHandleImpl th = treeConn.connectHost(locator, locator.getServerWithDfs());

		_, err = sshPasswordAuth(newSSHCon, []byte("dillon"))
		if err != nil {
			c.Fatal("Password authentication failed for user (dillon):", err)
		}

		newSSHCon = newSSHConnMock("dillon")
		_, err = sshPasswordAuth(newSSHCon, []byte("dillon"))
		if err != nil {
			c.Fatal("Password authentication failed for user (dillon):", err)
		}
	}
	{
		userDN := "uid=fahim,ou=people,ou=swengg,dc=min,dc=io"

        assertTrue(mockResponse.verifySignature(buffer, offset, size));

        // Simulate failed verification
        when(mockResponse.verifySignature(buffer, offset, size)).thenReturn(false);
        assertFalse(mockResponse.verifySignature(buffer, offset, size));

        // Verify the method was called
        verify(mockResponse, times(2)).verifySignature(buffer, offset, size);
    }

    @Test

                    elevateWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);
                    throwValidationError(messages -> messages.addErrorsFailedToDownloadElevateFile(GLOBAL), this::asDownloadHtml);
                }

            try {
                scheduledJobService.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);
            }