return "";
                case FessConfig.INDEX_ADMIN_DOUBLE_FIELDS:
                    return "";
                case FessConfig.INDEX_ADMIN_DATE_FIELDS:
                    return "expires,start_time,end_time";
                case FessConfig.INDEX_ADMIN_REQUIRED_FIELDS:
                    return "url,title,role,boost";
                case FessConfig.INDEX_ADMIN_ARRAY_FIELDS:
                    return "alerts,roles";

    //                                                                         ===========
    protected final ColumnInfo _columnEndTime = cci("endTime", "endTime", null, null, Long.class, "endTime", null, false, false, false,
            "Long", 0, 0, null, null, false, null, null, null, null, null, false);

            readerThreads[i] = new Thread(() -> {
                try {
                    startLatch.await(); // Wait for start signal
                    long endTime = System.currentTimeMillis() + testDurationMs;
                    while (System.currentTimeMillis() < endTime) {
                        observations[threadIndex].add(dataStore.alive);
                        Thread.yield(); // Allow other threads to run
                    }

                                                    <td><c:if test="${data.endTime!=null}">
                                                        <fmt:formatDate value="${fe:date(data.endTime)}"
                                                                        pattern="yyyy-MM-dd'T'HH:mm:ss"/>
                                                    </c:if> <c:if test="${data.endTime==null}">

            }
        });
        testThread.start();

        long startTime = System.currentTimeMillis();
        method.invoke(crawler, testThread);
        long endTime = System.currentTimeMillis();

        assertTrue("Thread should have been joined", endTime - startTime >= 100);
    }

    // Test destroyContainer private static method via reflection
    @Test
    public void test_destroyContainer() throws Exception {

                                    <tr>
                                        <th><la:message key="labels.joblog_endTime"/></th>
                                        <td>${f:h(endTime)}<la:hidden property="endTime"/></td>
                                    </tr>
                                    <tr>
                                        <th><la:message key="labels.joblog_scriptType"/></th>

labels.threadName=執行緒名稱
labels.url=URL
labels.userFavorite=收藏日誌
labels.userInfo=使用者資訊
labels.webApiJson=JSON響應
labels.webConfigName=Web爬網配置名稱
labels.allLanguages=所有語言
labels.dictId=字典ID
labels.docId=文檔ID
labels.endTime=結束時間
labels.hq=hq
labels.inputs=輸入
labels.jobLogging=日誌記錄
labels.jobName=名稱
labels.jobStatus=狀態
labels.labelTypeIds=標籤
labels.lang=語言
labels.outputs=輸出
labels.pos=詞性
labels.purgeJobLogDay=刪除以前的作業日誌

labels.threadName=线程名称
labels.url=URL
labels.userFavorite=收藏日志
labels.userInfo=用户信息
labels.webApiJson=JSON响应
labels.webConfigName=Web爬网配置名称
labels.allLanguages=所有语言
labels.dictId=字典ID
labels.docId=文档ID
labels.endTime=结束时间
labels.hq=hq
labels.inputs=输入
labels.jobLogging=日志记录
labels.jobName=名称
labels.jobStatus=状态
labels.labelTypeIds=标签
labels.lang=语言
labels.outputs=输出
labels.pos=词性
labels.purgeJobLogDay=删除以前的作业日志