final Object idValue = inputDoc.get(fessConfig.getIndexFieldId());
            if (idValue == null) {
                continue;
            }

            final Object configIdValue = inputDoc.get(fessConfig.getIndexFieldConfigId());
            if (configIdValue == null) {
                continue;
            }

            final QueryBuilder queryBuilder = QueryBuilders.boolQuery()

    public void test_nullHandling() {
        // Test with null ParseException
        QueryParseException queryParseException = new QueryParseException(null);
        assertNotNull(queryParseException);
        assertNull(queryParseException.getCause());
        // getMessage() may return null when constructed with null
        // This is expected behavior for exceptions with null cause
    }

    @Test

                final KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
                keyStore.load(null, null);
                keyStore.setCertificateEntry("server", certificate);

                final TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

            }
        };

        // Test with null values
        callback.onPhaseStart(null, null);
        assertEquals("start:null:null", events.get(0));

        callback.onChunk(null, false);
        assertEquals("chunk:null", events.get(1));

        callback.onError(null, null);
        assertEquals("error:null:null", events.get(2));
    }

    @Test

        // Test with null value
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getApiJsonResponseExceptionIncluded() {
                return null;
            }
        });

            throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
            return null;
        })).status(Status.OK).result());
    }

    // POST /api/admin/duplicatehost/setting
    /**
     * Creates a new duplicate host setting.
     *

        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        name = null;
        versionNo = null;

    }

    /**
     * Returns the default current page number for pagination.
     *
     * @return the default current page number (typically 1)
     */

    /** Number of search results to retrieve (alias for num) */
    @ValidateTypeFailure
    public Integer size;

    @Override
    public void initialize() {
        if (size != null) {
            num = num == null || num < size ? size : num;
        }
        super.initialize();
    }

        valueMap.put("action", Action.SCRIPT_EXECUTION.name());
        valueMap.put("scriptType", scriptType != null ? scriptType : "-");
        valueMap.put("source", source != null ? source : "-");
        valueMap.put("user", user != null ? user : "-");
        valueMap.put("result", result != null ? result : "-");
        valueMap.put("script", normalizeScript(script));
        log(valueMap);
    }

    /**

                    BadWord badWord = badWordBhv.selectEntity(cb -> cb.query().setSuggestWord_Equal(target)).orElse(null);//TODO
                    final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
                    if (isDelete) {
                        badWordBhv.delete(badWord);
                    } else if (badWord == null) {
                        badWord = new BadWord();