URL возвращает 504 ошибку при вызове из HTTP

Question

У меня есть этот код, чтобы вызвать некоторые асинхронной HTTP вызовы:

private CompleteRoutingResponseWrapper sendRoutingRequestString(int numOfTries, String routingRequestUrl) { 
    routingRequestUrl = urlUtils.getHttpUrl(routingRequestUrl); 

    CompleteRoutingResponseWrapper answer = new CompleteRoutingResponseWrapper(); 
    CloseableHttpClient client = HttpClientBuilder.create().build(); 
    CloseableHttpResponse response = null; 
    try { 

     Stopwatch stopWatch = Stopwatch.createStarted(); 
     response = client.execute(new HttpGet(routingRequestUrl)); 
     stopWatch.stop(); 

     int statusCode = response.getStatusLine().getStatusCode(); 
     if (statusCode != 200) { 
      answer = retryOrHandleError(numOfTries, routingRequestUrl, answer, response, statusCode); 
     } else { 
      String bodyAsString = EntityUtils.toString(response.getEntity()); 
      answer.completeRoutingResponse = handleSuccess(bodyAsString); 
      answer.latency = stopWatch.elapsed(TimeUnit.MILLISECONDS); 
      handleErrorInBody(routingRequestUrl, answer, bodyAsString); 
     } 
    } catch (Exception e) { 
     e.printStackTrace(); 
     System.out.println(e.getMessage()); 
    } 
    handleNullResponse(answer); 
    return answer; 
} 

и

@Override 
    public E2EResult sendBaselineRoutingRequestsInParallel(E2EResult e2EResult, List<String> routingRequestsList) { 
     List<Callable<Void>> callables = new ArrayList<>(); 
     for (int i = 0; i < routingRequestsList.size(); i++) { 
      final int position = i; 
      callables.add(() -> { 

//calls sendRoutingRequestString() 

       synchronized (e2EResult) { 
        e2EResult.addResponse(relativePosition, requestPosition, routingResponse); 
       } 
       return null; 
      }); 
     } 
     ExecutorService executorService = Executors.newFixedThreadPool(10); 
     try { 
      executorService.invokeAll(callables); 
      executorService.shutdown(); 
      executorService.awaitTermination(1, TimeUnit.MINUTES); 
     } catch (InterruptedException e) { 
      e.printStackTrace(); 
      throw new RuntimeException(e); 
     } 
     return e2EResult; 
    } 

Когда код вызывает этот адрес он всегда возвращает 504.

http://myhost.com/routingRequest?returnJSON=true&timeout=60000&to=s%3A-1+d%3Afalse+f%3A-1.0+x%3A-71.25576+y%3A42.393196+r%3A-1.0+cd%3A-1.0+fn%3A-1+tn%3A-1+bd%3Atrue&nPaths=1&returnClientIds=true&hour=12+00&from=s%3A-1+d%3Afalse+f%3A-1.0+x%3A-71.270565+y%3A42.361661+r%3A-1.0+cd%3A-1.0+fn%3A18399181+tn%3A18418746+bd%3Afalse&sameResultType=true&type=HISTORIC_TIME&clientVersion=3.9.4.5&options=AVOID_PRIMARIES%3Afalse%2CIGNORE_REALTIME_INFO%3Afalse%2CAVOID_LONG_TRAILS%3Afalse%2CPREFER_SAME_STREET%3Atrue%2CAVOID_TRAILS%3Atrue%2CAVOID_TOLL_ROADS%3Afalse%2CALLOW_UTURNS%3Atrue%2CAVOID_DANGER_ZONES%3Afalse%2CUSE_EXTENDED_INSTRUCTIONS%3Atrue%2CALLOW_UNKNOWN_DIRECTIONS%3Atrue%2CPREFER_UNKNOWN_DIRECTIONS%3Afalse 
2015-04-20 12:00:27,580 [pool-6-thread-37] INFO linqmap.routing.server.RoutingServer - ROUTING RECORDED: http://104.155.3.206:8080/RoutingManager/routingRequest?returnJSON=true&timeout=60000&to=s%3A34790759+d%3Afalse+f%3A-1.0+x%3A-73.993644+y%3A40.725395+r%3A-1.0+cd%3A-1.0+fn%3A-1+tn%3A-1+bd%3Atrue+st%3ABleecker%7ESt&via=s%3A-1+d%3Afalse+f%3A-1.0+x%3A-73.970138+y%3A40.850933+r%3A-1.0+cd%3A-1.0+fn%3A-1+tn%3A-1+bd%3Atrue&nPaths=1&returnClientIds=true&hour=12+00&from=s%3A-1+d%3Afalse+f%3A-1.0+x%3A-74.499669+y%3A40.907095+r%3A-1.0+cd%3A-1.0+fn%3A26380096+tn%3A26369788+bd%3Afalse&sameResultType=true&type=HISTORIC_TIME&clientVersion=3.9.4.0&stickToPath=68748394%2C26380096%2C-74.499669%2C40.90709599999985%2C70124838%2C26369788%2C-74.4879635129%2C40.89700597919985%2C32022797%2C26363639%2C-74.47420799999999%2C40.888397%2C70124821%2C26364659%2C-74.473163%2C40.887729%2C70124763%2C26372113%2C-74.447036%2C40.867209%2C82165445%2C26383674%2C-74.436374%2C40.865995999999996%2C82165444%2C61632550%2C-74.42966579042002%2C40.86547995136578%2C32042389%2C26380593%2C-74.42253199999999%2C40.86481%2C32042368%2C26375759%2C-74.417202953606%2C40.864137081396%2C77279241%2C26375309%2C-74.41294095733805%2C40.863467589631426%2C70095591%2C26384446%2C-74.376045753363%2C40.859071166122%2C70095592%2C55924040%2C-74.37594651163%2C40.859023493747%2C32017573%2C26369682%2C-74.370465%2C40.858565999999996%2C32026992%2C26381802%2C-74.36630671163941%2C40.85963780064551%2C70103895%2C26355007%2C-74.364014%2C40.860688%2C32021149%2C26387421%2C-74.348252%2C40.862038%2C81799536%2C26366817%2C-74.332561746032%2C40.865046796007%2C81799535%2C61394559%2C-74.33080526129919%2C40.867546977540954%2C81594035%2C26462012%2C-74.267987%2C40.894009999999845%2C81594036%2C61275184%2C-74.26644658817527%2C40.894150992075915%2C31826149%2C26209096%2C-74.260271869698%2C40.895000358355%2C31836443%2C26211925%2C-74.243818%2C40.898628999999985%2C62831293%2C50477837%2C-74.236227%2C40.89951499999999%2C31828680%2C26216038%2C-74.223238%2C40.896674%2C66963280%2C26213495%2C-74.217292%2C40.896881%2C66963281%2C54921707%2C-74.201265640258%2C40.896215021313%2C62635498%2C26205873%2C-74.195631802082%2C40.902313879819%2C62634850%2C26205899%2C-74.193551%2C40.903933%2C31827500%2C53429193%2C-74.187740500651%2C40.906083895573%2C31828511%2C26207333%2C-74.175887620314%2C40.908608789887%2C62830630%2C26215611%2C-74.172994%2C40.908136999999996%2C31822835%2C26208588%2C-74.16542299999999%2C40.906765%2C31821799%2C26208587%2C-74.164087176322%2C40.906531725309%2C31827601%2C26203370%2C-74.150353%2C40.901033999999996%2C31822325%2C26210942%2C-74.148544%2C40.900763999999995%2C62828098%2C26216008%2C-74.141492947934%2C40.900902674596%2C62828099%2C26204554%2C-74.1343779705695%2C40.90196699999999%2C31780255%2C26162340%2C-74.133401%2C40.901947%2C31774342%2C26180321%2C-74.132723957298%2C40.901879908805%2C57800509%2C50482578%2C-74.130132943389%2C40.901439983379%2C57800530%2C50482627%2C-74.12250004970679%2C40.9021896397596%2C57798264%2C50476814%2C-74.109068017531%2C40.903956841396%2C57800593%2C50482750%2C-74.101260107091%2C40.903513888913%2C77686519%2C50482775%2C-74.0948363245252%2C40.90314988083412%2C77686520%2C59180515%2C-74.0947520105031%2C40.90312009790261%2C57800610%2C50482827%2C-74.084037681225%2C40.900899572758%2C57800659%2C50482862%2C-74.079242%2C40.894788%2C57800667%2C50482884%2C-74.073051353099%2C40.889947032595%2C57628284%2C50204031%2C-74.070806%2C40.88786499999999%2C80919510%2C50483627%2C-74.065405%2C40.880548000000005%2C80919511%2C60920945%2C-74.06535647780983%2C40.88044267815794%2C57781450%2C50443308%2C-74.061952372194%2C40.874603940104%2C57801359%2C50483695%2C-74.05936865639366%2C40.871635692932124%2C57801387%2C50483771%2C-74.056716700197%2C40.86936505963%2C57801383%2C50483766%2C-74.053224464059%2C40.867730233131%2C57801441%2C50483931%2C-74.0458106541614%2C40.866854252450985%2C57801438%2C50483925%2C-74.03857089857533%2C40.866849932787666%2C57801489%2C50484048%2C-74.03333388547412%2C40.866929039277%2C70111230%2C50204034%2C-74.015414%2C40.864736%2C70111231%2C55929102%2C-74.01534574758949%2C40.864744383293896%2C57801554%2C50484211%2C-74.010145%2C40.864293999999994%2C57801555%2C50484214%2C-74.0057239933%2C40.866047894927%2C31775344%2C50475854%2C-74.003973640142%2C40.867462615956%2C77904107%2C55775406%2C-74.00046072799489%2C40.867327034479956%2C67535147%2C26183541%2C-73.99894732645%2C40.866741567445%2C62813313%2C50534492%2C-73.99537791863%2C40.865405376558%2C77248723%2C26177925%2C-73.9939651232032%2C40.86486225037791%2C31799901%2C26185233%2C-73.992961%2C40.864447999999996%2C31798621%2C26174851%2C-73.99230399999999%2C40.864193%2C31795568%2C26164610%2C-73.991546%2C40.86383%2C31803414%2C26164611%2C-73.99046899999999%2C40.863208%2C31818540%2C26178529%2C-73.99041%2C40.863174%2C67201279%2C26177935%2C-73.989553%2C40.862674%2C67201280%2C54995870%2C-73.989412352115%2C40.862591913944%2C76256218%2C26177934%2C-73.98871%2C40.862182%2C75329485%2C26178537%2C-73.987951%2C40.861739%2C75329486%2C58130509%2C-73.98712145379588%2C40.861250469190374%2C75329474%2C58130505%2C-73.9869842878087%2C40.861169689966246%2C31799910%2C26178554%2C-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

однако, когда я положил его через браузер Chrome Я никогда не получаю 504.

Я думал, что это может быть проблемой стресса. Но даже когда я вызываю только несколько URL-адресов в моем коде, я получаю только 504 для этого конкретного URL-адреса.

Что это может быть? ошибка в майке для длинного URL?

Answer 1

Похоже, вы ожидаете ответа JSON. В некоторых случаях я заметил, что анализ JSON может иметь проблемы, особенно со встроенным контейнером Джерси, например, запускать его как часть теста JUnit.

Когда вы запускаете URL-адрес непосредственно против браузера, вы не разбираете JSON, так как вы просто показываете результат в JSON браузером. Браузер очень устойчив к обработке JSON.

Проверьте и убедитесь, что ваш код, который отвечает за создание объекта JSON, делает это правильно.

Answer 2

504 Тайм-аут шлюза - Указывает, что балансировщик нагрузки закрыл соединение, потому что запрос не завершился в течение периода ожидания простоя.

Причина:: Приложению требуется больше времени для ответа, чем установленный тайм-аут простоя.

Мониторинг HTTPCode_ELB_5XX и Latency CloudWatch metrics. Если есть увеличение этих показателей, это может быть связано с тем, что приложение не отвечает в течение периода ожидания простоя. Для получения подробной информации о запросах, которые выходят из строя, включите журналы доступа в балансировщике нагрузки и просмотрите коды ответов 504 в журналах, которые генерируются с помощью балансировки эластичной нагрузки. Если необходимо, вы можете увеличить емкость вашего сервера или увеличить настроенный тайм-аут простоя, чтобы завершить длительные операции (например, загрузить большой файл).

Для настройки неработающие настройки тайм-аута для пула приложений

Пользовательский интерфейс -> Чтобы использовать пользовательский интерфейс

менеджер 1.Open IIS. Информацию об открытии диспетчера IIS см. В разделе Open Диспетчер IIS (IIS 7).

2.В окне «Подключения» разверните узел сервера и нажмите «Приложение» Бассейны.

3. На странице «Пулы приложений» выберите пул приложений, для которого вы хотите указать параметры ожидания простоя, а затем нажмите «Дополнительно» «Настройки» в панели «Действия».

4. В поле Idle Time-out (minutes) введите количество минут, а затем нажмите OK.

Командная строка

Для настройки простоя тайм-аута для пула приложений, используйте следующий синтаксис: appcmd set config /section:applicationPools /[name=' string '].processModel.idleTimeout: timeSpan

где строка является именем пула приложений, которые вы хотите для настройки. Переменная timeSpan - это период времени, в течение которого рабочий процесс или процессы в пуле приложений считаются бездействующими. Формат для timeSpan - d.hh: mm: ss, где d - необязательное число дней , а hh: mm: ss - количество часов, минут и секунд, на которых необходимо завершить рабочий процесс. Например, чтобы установить простой тайм-аут до 30 минут для пула приложений с именем Marketing, введите в командной строке, а затем нажмите ENTER:

appcmd set config /section:applicationPools /[name=' Marketing '].processModel.idleTimeout:0.00:30:00

Процедура в эта тема влияет на следующие элементы конфигурации:

атрибут idleTimeout из <processModel> элемента под <add> под <applicationPools>

Используйте следующие WMI классы, методы или свойства для выполнения этой процедуры:

ApplicationPool.ProcessModel.IdleTimeout недвижимость

ReferenceConfigure Idle Time-out Settings for an Application Pool