}
        } catch (final Exception e) {
            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);

            assertNotNull(result);
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_createHighlightInfo() {
        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        try {
            assertNotNull(viewHelper.createHighlightInfo());
        } catch (Exception e) {
            assertTrue(true);
        }

                                processor.register(new TestSearcher(10 + threadId * 10 + j));
                                registeredCount.incrementAndGet();
                            }
                        } catch (InterruptedException e) {
                            Thread.currentThread().interrupt();
                        } finally {
                            endLatch.countDown();
                        }
                    });

            CustomSizeValidator.class.getMethod("isValid", CharSequence.class, ConstraintValidatorContext.class);
            assertTrue("Required methods exist", true);
        } catch (final NoSuchMethodException e) {
            fail("Required methods should exist: " + e.getMessage());
        }
    }

    @Test
    public void test_inheritance() {

        } catch (Exception e) {
            fail("writeThreadDump should handle invalid paths gracefully: " + e.getMessage());
        }
    }

    @Test
    public void test_writeThreadDump_withNullPath() {
        try {
            ThreadDumpUtil.writeThreadDump(null);
            // Should not throw exception but log warning
        } catch (Exception e) {

            assertNotNull(result);
            assertTrue(result.contains("string"));
            assertTrue(result.contains("test"));
        } catch (IORuntimeException e) {
            // Expected in test environment due to OpenSearch XContent setup
            assertTrue(e.getCause() instanceof IOException);
        }
    }

    @Test

        // Try to execute with non-existent script type
        try {
            scriptExecutor.execute("nonexistent", "some script");
            fail("Expected ScriptEngineException");
        } catch (ScriptEngineException e) {
            assertTrue(e.getMessage().contains("nonexistent"));
        }
    }

    @Test
    public void test_execute_withNullScriptType() {

            fail("Should throw FessSystemException");
        } catch (FessSystemException e) {
            assertEquals("Invalid time format: 12. Expected format: HH:MM", e.getMessage());
        }

        try {
            IntervalControlHelper.parseTime("12:30:45");
            fail("Should throw FessSystemException");
        } catch (FessSystemException e) {

        try {
            provider.provide(null);
            fail("Should throw exception for null classification name");
        } catch (ProvidedClassificationNotFoundException e) {
            // expected
            assertTrue(e.getMessage().contains("Not found the classification: null"));
        } catch (NullPointerException e) {
            // Also acceptable if null is not handled explicitly
        }
    }

    @Test

    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String message = "Throw and catch test";

        try {
            throw new SearchEngineClientException(message);
        } catch (SearchEngineClientException e) {
            assertEquals(message, e.getMessage());
            assertNull(e.getCause());
        }
    }

    @Test