protected void doStart() {
            super.doStart();
            // This will delay service listener execution at least 150 milliseconds
            Uninterruptibles.sleepUninterruptibly(150, MILLISECONDS);
          }
        };
    Service a =
        new NoOpDelayedService(150) {
          @Override
          protected void doStart() {
            b.startAsync();
            super.doStart();
          }

						<div class="clearfix">
							<div class="mx-auto col-10 col-sm-8 col-md-8 col-lg-6">
								<la:text styleClass="query form-control"
									property="q" size="50" maxlength="1000" styleId="contentQuery"
									autocomplete="off" />
							</div>
						</div>
						<c:if test="${!empty popularWords}">
							<div class="clearfix">
								<p class="text-truncate">

        if (valueSeparator.length() > 0) {
            final String[] values = rolesStr.split(valueSeparator);
            if (maxAge > 0) {
                try {
                    final long time = getCurrentTime() / 1000 - Long.parseLong(values[0]);
                    if (time > maxAge || time < 0) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("role info is expired: {} > {}", time, maxAge);

            assertTrue("Should find custom thread in dump", customThreadFound.get() > 0);

        } finally {
            latch.countDown();
            customThread.join(1000); // Wait up to 1 second for thread to finish
        }
    }

    public void test_writeThreadDump_fileContent() throws IOException {
        Path tempFile = Files.createTempFile("test-thread-dump-content", ".txt");

    }

    // Test with rapid config changes
    public void test_rapidConfigChanges() {
        for (int i = 0; i < 50; i++) {
            final int adjustment = i * 1000;
            FessConfig rapidConfig = new FessConfig.SimpleImpl() {
                private static final long serialVersionUID = 1L;

                @Override
                public String getTimeAdjustTimeMillis() {

            public int getNumberOfInFlightFetch() {
                return 0;
            }

            @Override
            public double getActiveShardsPercent() {
                return 100.0;
            }
        };
    }

    // Helper method to create test FessConfig
    private FessConfig createTestFessConfig() {
        return new TestFessConfig();
    }

        @DisplayName("Should reject negative offset in sign method")
        void testSignNegativeOffset() {
            byte[] data = new byte[128];
            assertThrows(IllegalArgumentException.class, () -> digest.sign(data, -1, 100, request, response),
                    "Should throw IllegalArgumentException for negative offset");
        }

        @Test
        @DisplayName("Should reject negative length in sign method")

        callback.commit();
    }

    public void test_multiple_implementations() {
        // Test with different implementations to ensure interface contract
        IndexUpdateCallback callback1 = createMockCallback(10, 500);
        IndexUpdateCallback callback2 = createMockCallback(20, 1000);

        assertEquals(10L, callback1.getDocumentSize());
        assertEquals(500L, callback1.getExecuteTime());

        }
    }

    public void test_getSearchEngineHttpAddress_withLongValue() {
        // Test with a very long URL
        StringBuilder longUrl = new StringBuilder("http://");
        for (int i = 0; i < 1000; i++) {
            longUrl.append("a");
        }
        longUrl.append(".example.com:9200");

        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {

        public FailoverState(String channelId) {
            this.channelId = channelId;
            this.failureTime = System.currentTimeMillis();
            this.retryCount = 0;
            this.nextRetryTime = failureTime + 1000; // Initial 1 second delay
        }

        /**
         * Get channel ID
         *
         * @return channel identifier
         */
        public String getChannelId() {