crawlerStatsHelper.begin(key);
        crawlerStatsHelper.record(key, "action\twith\ttabs");
        crawlerStatsHelper.done(key);

        String logMessage = localLogMsg.get();
        assertTrue(logMessage.contains("action with tabs:"));
        assertFalse(logMessage.contains("action\twith\ttabs:"));
    }

    public void test_unsupportedKeyType() {
        Object key = new Object();

     * logger.log(format("DXXX0000", arg1, arg2, arg3));
     * </pre>
     *
     * @param logMessage
     *            Log message. Must not be {@literal null}.
     */
    public void log(final LogMessage logMessage) {
        assertArgumentNotNull("logMessage", logMessage);

        log(logMessage, null);
    }

    /**
     * Outputs a log entry.
     * <p>

                                                        <td>${f:h(data.requestedAt)}</td>
                                                        <td>${f:h(data.logMessage)}</td>
                                                    </tr>
                                                </c:if>
                                                <c:if test="${logType.endsWith('_agg')}">

        }
        final String longMessage = longMessageBuilder.toString();
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute
        final InvalidQueryException exception = new InvalidQueryException(messageCode, longMessage);

        // Verify long message is handled correctly

        // Create a very long exception message
        StringBuilder longMessage = new StringBuilder("Error: ");
        for (int i = 0; i < 100; i++) {
            longMessage.append("This is a very long error message part ").append(i).append(". ");
        }
        final String errorMessage = longMessage.toString();

        // Create mock SearchEngineClient that throws exception with long message

            // Test with very long message
            StringBuilder longMessage = new StringBuilder();
            for (int i = 0; i < 1000; i++) {
                longMessage.append("This is a very long error message. ");
            }
            WebApiUtil.setError(500, longMessage.toString());

            // Test with special characters in message