URL trả về 504 lỗi khi gọi từ HTTP

Question

tôi có mã này, để kích hoạt một số cuộc gọi async http:

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; 
} 

và

@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; 
    } 

Khi mã gọi url này nó luôn luôn quay trở lại 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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

tuy nhiên khi tôi đặt nó thông qua trình duyệt chrome tôi không bao giờ có được 504.

Tôi nghĩ rằng đó có thể là một vấn đề căng thẳng. Nhưng ngay cả khi tôi chỉ gọi một vài url trong mã của tôi, tôi chỉ nhận được 504 cho url cụ thể này.

Có thể là gì? một lỗi trong jersey cho url dài?

Answer 1

Có vẻ như bạn đang mong đợi phản hồi JSON. Tôi đã nhận thấy trong một số trường hợp, phân tích cú pháp JSON có thể có vấn đề đặc biệt với vùng chứa Jersey được nhúng, chẳng hạn như chạy nó như là một phần của một thử nghiệm JUnit.

Khi bạn chạy URL trực tiếp với trình duyệt, bạn không phân tích cú pháp JSON vì bạn chỉ hiển thị kết quả bằng JSON của trình duyệt. Trình duyệt rất linh hoạt để xử lý JSON.

Kiểm tra và đảm bảo rằng mã của bạn chịu trách nhiệm xây dựng đối tượng JSON đang thực hiện chính xác.

Answer 2

504 Hết thời gian chờ - Cho biết bộ cân bằng tải đã đóng kết nối vì yêu cầu không hoàn thành trong khoảng thời gian chờ nhàn rỗi.

Nguyên nhân: Ứng dụng mất nhiều thời gian để phản hồi hơn thời gian chờ không hoạt động được định cấu hình.

Giám sát HTTPCode_ELB_5XX và Latency CloudWatch metrics. Nếu có sự gia tăng về các số liệu này, có thể là do ứng dụng không phản hồi trong khoảng thời gian chờ nhàn rỗi. Để biết chi tiết về các yêu cầu được thời gian ra ngoài, cho phép truy cập các bản ghi trên cân bằng tải và xem lại 504 mã phản ứng trong các bản ghi được tạo ra bởi đàn hồi Load Balancing. Nếu cần thiết, bạn có thể tăng khả năng back-end của bạn hoặc tăng thời gian chờ nhàn rỗi cấu hình để hoạt động lâu dài (ví dụ như tải lên một tập tin lớn) có thể hoàn thành.

Để cấu hình các thiết lập time-out nhàn rỗi cho bể bơi ứng dụng

giao diện người dùng -> Để sử dụng giao diện người dùng

1.Open IIS Manager. Để biết thông tin về việc mở Trình quản lý IIS, hãy xem Mở Trình quản lý IIS (IIS 7).

2.In bảng Connections, mở rộng nút máy chủ và bấm Ứng dụng Pools.

3.Trong trang Hồ bơi ứng dụng, hãy chọn nhóm ứng dụng mà bạn muốn chỉ định cài đặt hết thời gian chờ, sau đó bấm Nâng cao Cài đặt trong ngăn Hành động.

4. Trong hộp Thời gian chờ (phút) nhàn rỗi, nhập số phút và sau đó nhấp OK.

Command Line

Để cấu hình các giá trị time-out nhàn rỗi cho bể bơi ứng dụng, sử dụng cú pháp sau: appcmd set config /section:applicationPools /[name=' string '].processModel.idleTimeout: timeSpan

nơi chuỗi là tên của hồ bơi ứng dụng mà bạn muốn để cấu hình. Biến timeSpan là khoảng thời gian mà tại đó quy trình hoặc quy trình công nhân trong hồ bơi ứng dụng được coi là không hoạt động. Định dạng cho timeSpan là d.hh: mm: ss trong đó d là số tùy chọn số ngày và hh: mm: ss là số giờ, phút và giây để tắt quy trình công nhân. Ví dụ, để thiết lập giá trị time-out nhàn rỗi đến 30 phút cho bể bơi ứng dụng có tên Tiếp thị, gõ lệnh sau tại dấu nhắc lệnh, và sau đó nhấn ENTER:

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

Các thủ tục trong chủ đề này ảnh hưởng đến các yếu tố cấu hình sau:

idleTimeout thuộc tính của phần tử <processModel> dưới <add> dưới <applicationPools>

Sử dụng WMI lớp học, phương pháp, hoặc tài sản sau đây để thực hiện thủ tục này:

ApplicationPool.ProcessModel.IdleTimeout tài sản

ReferenceConfigure Idle Time-out Settings for an Application Pool