// clear url filter
            urlFilterService.delete(sid);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlFilter: sessionId={}", sid, e);
        }

        try {
            // clear queue
            urlQueueService.clearCache();
            urlQueueService.delete(sid);
        } catch (final Exception e) {

        paramMap.put("url_exclude_pattern", ".*");

        try {
            indexUpdateCallback.isUrlCrawlable(paramMap, null);
            fail("Expected NullPointerException for null URL");
        } catch (NullPointerException e) {
            // Expected behavior - the method doesn't handle null URLs
        }
    }

    @Test
    public void test_isUrlCrawlable_nullUrlWithoutPattern() {

,c=(parseInt(b,10)%97).toString()+c.slice(b.length);return parseInt(c,10)%97===1},d=function(a){a=a.toUpperCase(),a=a.replace(/\s+/g,"");var c=a.slice(0,2),d=0,e="";for(d=0;d<b.length;++d)if(b[d][0]===c){e=b[d][2];break}if(""===e)return!1;var f=e.match(/(.{3})/g).map(function(a){var b,c=a.slice(0,1),d=parseInt(a.slice(1),10);switch(c){case"A":b="0-9A-Za-z";break;case"B":b="0-9A-Z";break;case"C":b="A-Za-z";break;case"F":b="0-9";break;case"L":b="a-z";break;case"U":b="A-Z";break;case"W":b="0-9a-z"}...

        }
        return null;
    }

    public void setBoostValue(final String value) {
        if (value != null) {
            try {
                boost = Float.parseFloat(value);
            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Invalid boost value, keeping current: value={}, error={}", value, e.getMessage());
                }
            }

            if (!ComponentUtil.getFessConfig().isLogNotificationEnabled()) {
                return;
            }
        } catch (final Exception e) {
            return;
        }

        final LogNotificationHelper helper;
        try {
            helper = ComponentUtil.getLogNotificationHelper();
        } catch (final Exception e) {
            return;
        }

        String throwableStr = null;

                tempBuf.append(Arrays.toString((double[]) value));
            } else {
                tempBuf.append('"').append(StringEscapeUtils.escapeJson(value.toString())).append('"');
            }
        } catch (final Exception e) {
            tempBuf.append("null");
        }
        buf.append(tempBuf.toString());
        return buf;
    }

    /**
     * Appends a timestamp to the buffer.
     *

                        if (file != null) {
                            return file;
                        }
                    }
                } catch (final Exception e) {
                    final String filePath = fileMap.get("path") != null ? fileMap.get("path").toString() : "unknown";

        body.crudMode = CrudMode.CREATE;
        final LabelType labelType = getLabelType(body).map(entity -> {
            try {
                labelTypeService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));

        MockSMailPostingDiscloser discloser = new MockSMailPostingDiscloser();

        // Should return early without doing anything
        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() {

    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        try {
            throw new UserRoleLoginException(RootAction.class);
        } catch (UserRoleLoginException e) {
            assertEquals(RootAction.class, e.getActionClass());
            assertNull(e.fillInStackTrace());
            assertEquals(0, e.getStackTrace().length);
        }
    }