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Molti metodi dell'API Display & Video 360 eseguono operazioni complesse che potrebbero richiedere più di qualche secondo. A volte le richieste a questi metodi possono superare la latenza prevista, causando errori sull'API o sul lato client. Questa pagina elenca le pratiche per gestire i problemi causati dalla latenza delle richieste estesa.
Aumentare il timeout predefinito nella libreria client
Alcuni metodi specifici sono stati etichettati nella documentazione di riferimento come metodi che superano regolarmente la latenza prevista. Anche altri metodi potrebbero presentare periodicamente un comportamento con latenza elevata.
I limiti di timeout predefiniti per alcune librerie client potrebbero causare errori quando si effettuano richieste con latenza elevata. I timeout predefiniti per un sottoinsieme di librerie client supportate sono:
Java: 20 secondi
Python: 60 secondi
PHP: 60 secondi
I timeout lato client possono essere evitati aumentando questi timeout predefiniti. Segui queste istruzioni per modificare il timeout predefinito per la libreria client durante l'esecuzione:
/** * Adjusts HTTP timeout values used by the provided request initializer. * * @param requestInitializer The {@link HttpRequestInitializer} used to authorize requests. * @param newHttpTimeout The HTTP timeout for requests in seconds. * @return An {@link HttpRequestInitializer} with modified HTTP timeout values. */privatestaticHttpRequestInitializersetHttpTimeout(finalHttpRequestInitializerrequestInitializer,finalintnewHttpTimeout){returnnewHttpRequestInitializer(){@Overridepublicvoidinitialize(HttpRequesthttpRequest)throwsIOException{requestInitializer.initialize(httpRequest);httpRequest.setConnectTimeout(newHttpTimeout*1_000);httpRequest.setReadTimeout(newHttpTimeout*1_000);}};}
Chiama la funzione quando crei il client dell'API Display & Video 360.
// Create authorized API client with non-default timeouts.DisplayVideoservice=newDisplayVideo.Builder(credential.getTransport(),credential.getJsonFactory(),setHttpTimeout(credential,http-timeout-in-seconds)).setApplicationName("displayvideo-java-installed-app-sample").build();
Python
Importa il modulo http della libreria client Python dell'API di Google.
# Build the API service.service=discovery.build('displayvideo','v3',discoveryServiceUrl=discovery_url,credentials=credentials)
PHP
Scarica e installa la libreria HTTP Guzzle utilizzando
Composer.
composerrequireguzzlehttp/guzzle:^7.0
Crea il client HTTP Guzzle, assegnando il valore del timeout.
$httpClient = new \GuzzleHttp\Client(['timeout' => http-timeout-in-seconds]);
Crea il client Google e assegna il client HTTP Guzzle.
$client = new Google_Client();$client->setHttpClient($httpClient);
Gestire gli errori di timeout dell'API
In rari casi, le richieste che completano operazioni complesse potrebbero superare il timeout lato server di 180 secondi, causando la restituzione di una risposta di errore 408 o 504 da parte dell'API.
Se una richiesta risponde con uno di questi codici di errore, ti consigliamo di ritentare queste richieste utilizzando la strategia di backoff esponenziale.
Se l'errore persiste, contatta l'assistenza utilizzando il modulo di contatto.
[null,null,["Ultimo aggiornamento 2025-07-25 UTC."],[[["\u003cp\u003eSome Display & Video 360 API methods might take longer to complete, potentially leading to errors due to request latency.\u003c/p\u003e\n"],["\u003cp\u003eYou can increase the default timeout in your client library (Java, Python, or PHP) to avoid client-side timeout errors.\u003c/p\u003e\n"],["\u003cp\u003eThe Display & Video 360 API has a server-side timeout of 180 seconds, after which it will return a \u003ccode\u003e408\u003c/code\u003e or \u003ccode\u003e504\u003c/code\u003e error.\u003c/p\u003e\n"],["\u003cp\u003eIf a request exceeds the server-side timeout, retry it using exponential backoff and contact support if the issue persists.\u003c/p\u003e\n"]]],["The core issue addressed is managing request latency with the Display & Video 360 API, where some operations may take longer than expected. To prevent client-side timeout errors, it is recommended to increase the default timeout in the client library. The provided examples show how to adjust timeout settings in Java, Python, and PHP. In the rare case that requests exceed the API's 180-second server-side timeout, resulting in `408` or `504` errors, the advice is to retry with exponential backoff and contact support if problems continue.\n"],null,["# Configure timeouts and retries\n\nMany Display \\& Video 360 API methods perform complex operations that might take longer than\na few seconds to complete. Requests to these methods can sometimes exceed\nexpected latency, causing errors on the API or client side. This page lists\npractices for handling issues caused by extended request latency.\n\nIncrease default timeout in client library\n------------------------------------------\n\nA handful of specific methods have been labeled in their reference documentation\nas regularly exceeding expected latency. Other methods could also exhibit\nhigh-latency behavior periodically.\n\nThe default timeout limits for some client libraries could result in errors when\nmaking high-latency requests. Default timeouts for a subset of supported client\nlibraries are:\n\n- **Java**: 20 seconds\n- **Python**: 60 seconds\n- **PHP**: 60 seconds\n\nClient-side timeouts can be avoided by raising these default timeouts. Follow\nthese instructions to adjust the default timeout for your client library during\nruntime:\n**Caution:** The Display \\& Video 360 API has a server-side timeout value of 180 seconds. If a request lasts longer than 180 seconds, the API will return an error. \n\n### Java\n\n1. **Import necessary resources.**\n\n import com.google.api.client.http.HttpRequest;\n import com.google.api.client.http.HttpRequestInitializer;\n import java.io.IOException;\n\n2. **Build function for setting HTTP timeout.**\n\n /**\n * Adjusts HTTP timeout values used by the provided request initializer.\n *\n * @param requestInitializer The {@link HttpRequestInitializer} used to authorize requests.\n * @param newHttpTimeout The HTTP timeout for requests in seconds.\n * @return An {@link HttpRequestInitializer} with modified HTTP timeout values.\n */\n private static HttpRequestInitializer setHttpTimeout(\n final HttpRequestInitializer requestInitializer,\n final int newHttpTimeout) {\n return new HttpRequestInitializer() {\n @Override\n public void initialize(HttpRequest httpRequest) throws IOException {\n requestInitializer.initialize(httpRequest);\n httpRequest.setConnectTimeout(newHttpTimeout * 1_000);\n httpRequest.setReadTimeout(newHttpTimeout * 1_000);\n }\n };\n }\n\n3. **Call function when creating the Display \\& Video 360 API client.**\n\n // Create authorized API client with non-default timeouts.\n DisplayVideo service =\n new DisplayVideo.Builder(\n credential.getTransport(),\n credential.getJsonFactory(),\n setHttpTimeout(credential, \u003cvar translate=\"no\"\u003e\u003cspan class=\"devsite-syntax-n\"\u003ehttp\u003c/span\u003e\u003cspan class=\"devsite-syntax-o\"\u003e-\u003c/span\u003e\u003cspan class=\"devsite-syntax-n\"\u003etimeout\u003c/span\u003e\u003cspan class=\"devsite-syntax-o\"\u003e-\u003c/span\u003e\u003cspan class=\"devsite-syntax-n\"\u003ein\u003c/span\u003e\u003cspan class=\"devsite-syntax-o\"\u003e-\u003c/span\u003e\u003cspan class=\"devsite-syntax-n\"\u003eseconds\u003c/span\u003e\u003c/var\u003e)\n )\n .setApplicationName(\"displayvideo-java-installed-app-sample\")\n .build();\n\n### Python\n\n1. **Import Google API Python client library http module.**\n\n from googleapiclient import http\n\n2. **Update default timeout constant.**\n\n http.DEFAULT_HTTP_TIMEOUT_SEC = \u003cvar translate=\"no\"\u003e\u003cspan class=\"devsite-syntax-n\"\u003ehttp\u003c/span\u003e\u003cspan class=\"devsite-syntax-o\"\u003e-\u003c/span\u003e\u003cspan class=\"devsite-syntax-n\"\u003etimeout\u003c/span\u003e\u003cspan class=\"devsite-syntax-o\"\u003e-\u003c/span\u003e\u003cspan class=\"devsite-syntax-ow\"\u003ein\u003c/span\u003e\u003cspan class=\"devsite-syntax-o\"\u003e-\u003c/span\u003e\u003cspan class=\"devsite-syntax-n\"\u003eseconds\u003c/span\u003e\u003c/var\u003e\n\n3. **Build API service.**\n\n # Build the API service.\n service = discovery.build(\n 'displayvideo',\n 'v3',\n discoveryServiceUrl=discovery_url,\n credentials=credentials)\n\n### PHP\n\n1. **Download and install the Guzzle HTTP library using\n [Composer](//getcomposer.org/).**\n\n composer require guzzlehttp/guzzle:^7.0\n\n2. **Create Guzzle HTTP client, assigning timeout value.**\n\n $httpClient = new \\GuzzleHttp\\Client(['timeout' =\u003e \u003cvar translate=\"no\"\u003ehttp-timeout-in-seconds\u003c/var\u003e]);\n\n3. **Create Google client and assign Guzzle HTTP client.**\n\n $client = new Google_Client();\n $client-\u003esetHttpClient($httpClient);\n\nHandle API timeout errors\n-------------------------\n\nIn rare cases, requests completing complex operations could exceed the\nserver-side timeout of 180 seconds, causing the API to return a `408` or `504`\nerror response.\n\nIf a request responds with either of these error codes, we recommend that you\nretry these requests using the [exponential backoff strategy](/display-video/api/guides/how-tos/upload#exp-backoff).\n\nIf the error persists, reach out to support using the [contact form](/display-video/api/support/contact)."]]