try {
            notificationHelper.sendToSlack(null, discloser);
        } catch (Exception e) {
            fail("sendToSlack() should not throw an exception with blank URLs: " + e.getMessage());
        }
    }

    @Test
    public void test_sendToSlack_withNullWebhookUrls() {
        // Setup mock configuration with null webhook URLs
        ComponentUtil.setFessConfig(new MockFessConfig() {

        sqlException2.setNextException(sqlException3);

        final SQLRuntimeException sqlRuntimeException = new SQLRuntimeException(sqlException);

        // ## Act ##
        final String message = sqlRuntimeException.getMessage();

        // ## Assert ##
        System.out.println(message);
        assertContains(message, "ErrorCode=7650");
        assertContains(message, "SQLState=fooState");
        assertContains(message, "some reason");

     * a call to {@link #initCause}.
     *
     * @param message the detail message. The detail message is saved for
     *                later retrieval by the {@link #getMessage()} method.
     */
    public InterpolatorException(String message) {
        super(message);
    }

    /**
     * Constructs a new InterpolatorException with the specified detail message and cause.
     *

    }

    private static String getMessage(Throwable error, String def) {
        if (error == null) {
            return def;
        }
        String msg = error.getMessage();
        if (msg != null && !msg.isEmpty()) {
            return msg;
        }
        return getMessage(error.getCause(), def);
    }

        assertEquals("Structure size != 4", ex1.getMessage());

        // Test maximum 2-byte value (65535)
        SMBUtil.writeInt2(65535, buffer, 0);

        SMBProtocolDecodingException ex2 = assertThrows(SMBProtocolDecodingException.class, () -> response.readBytesWireFormat(buffer, 0));
        assertEquals("Structure size != 4", ex2.getMessage());
    }

    @Test

            if (e != null) {
                logger.error(e.getMessage());

                for (Throwable cause = e.getCause();
                        cause != null && cause != cause.getCause();
                        cause = cause.getCause()) {
                    logger.error("Caused by: {}", cause.getMessage());
                }
            }
        }
    }

        // Act & Assert
        NullPointerException npe = assertThrows(NullPointerException.class, () -> creds.unwrap(null));
        assertEquals("type", npe.getMessage());
    }

    @Test
    @DisplayName("clone returns a distinct copy with same properties")
    void clone_returns_copy() {
        // Arrange
        Subject subject = new Subject();

            // Try to get server message from SMB exception
            return cause.getMessage();
        }
        return null;
    }

    private void logError() {
        if (errorCode.category == ErrorCategory.TRANSIENT) {
            log.debug("Transient SMB error: {} (attempt {}/{})", getMessage(), attemptNumber, retryPolicy.getMaxAttempts());
        } else if (isRetryable()) {

                "Should throw CIFSException for incompatible class");

        assertEquals("Incompatible file information class", exception.getMessage());
    }

    @Test
    @DisplayName("Test writeBytesWireFormat returns 0")
    void testWriteBytesWireFormat() {
        response = new Smb2QueryInfoResponse(mockConfig, (byte) 1, (byte) 2);

                log.warn("Failed to destroy SecretKey: {}", e.getMessage());
            }
        }

        // Remove from KeyStore
        if (keyStore != null) {
            try {
                keyStore.deleteEntry("smb.session." + sessionId);
            } catch (Exception e) {
                log.debug("Failed to remove key from KeyStore: {}", e.getMessage());
            }
        }