aws alb 502

Cliquez ici pour revenir à la page d'accueil d'Amazon Web ServicesCliquer ici pour revenir à la page d'accueil d'Amazon Web Services Les erreurs 502 générées par l'ELB apparaissent sous le métrique HTTPCode_ELB_5XX. My current hypothesis is that during a deploy, the statefulset controller kills a pod in need of updates, and there is latency between this happening and the alb ingress controller updating the alb target to draining. Check the ELB access log for duplicate HTTP 502 errors. See the following log locations for some common web servers and operating systems:The web server logs for Windows IIS 7, IIS 7.5 and IIS 8.0 are stored in the inetpub\logs\Logfiles directory. We are seeing 502 errors in our load balancer log. Consultez les emplacements de journaux suivants pour certains serveurs Web et systèmes d'exploitation répandus :Les journaux de serveur web de Windows IIS 7, IIS 7.5 et IIS 8.0 se trouvent dans le répertoire inetpub\logs\Logfiles. I see HTTP 502 errors when my client makes requests to a website through a Classic Load Balancer. Des erreurs HTTP 502 s'affichent lorsque mon client effectue des requêtes vers un site Web via un Classic Load Balancer. You configured an AWS WAF web access control list (web ACL) to monitor requests to your Application Load Balancer and it blocked a request. Identify which web server instances are exhibiting the problem, then check the web server logs of the backend web server instances.

Si l'erreur 502 est générée par le Classic Load Balancer, la réponse HTTP du backend est mal formée. Une réponse comprenant un en-tête de contenu de réponse incluant un nombre non entier. Pour plus d'informations sur les journaux Internet Information Server (IIS), consultez Suivez les étapes ci-dessous pour résoudre les erreurs 502 générées par l'ELB.1.

HTTP 405: Method not allowed. If the 502 error is generated by the Classic Load Balancer, the HTTP response from the backend is malformed. The client used the TRACE method, which is not supported by Application Load Balancers. An HTTP 502 status code (Bad Gateway) indicates that CloudFront wasn't able to serve the requested object because it couldn't connect to the origin server. Assurez-vous que l'encodage content-length ou transfer n'est pas absent de l'en-tête de réponse HTTP. For more information about web server HTTP header fields, see 3. Vérifiez le journal d'accès de l'ELB à la recherche d'erreurs HTTP 502 en double. During this delay, requests are sent to the terminating pod and return 502 (our nginx sidecar) and/or 503 (aws alb). For more information about the Internet Information Server (IIS) logs, see Click here to return to Amazon Web Services homepageClick here to return to Amazon Web Services homepage Amazon is an Equal Opportunity Employer: Vérifiez que l'en-tête de réponse dispose d'une syntaxe adéquate : une clé et la valeur, comme Content-Type:text. Amazon est un employeur qui souscrit aux principes d'équité en matière d'emploi : 502 errors for both elb_status_code and backend_status_code indicate that there is a problem with one or more of the web server instances. Identifiez les instances de serveur Web présentant le problème, puis vérifiez les journaux des serveurs Web des instances de serveur Web backend. Vérifiez si le corps de réponse renvoyé par l'application principale est conforme aux spécifications HTTP détaillées dans les RFC suivantes :2. In the logs, when we have a 502 error, we also noticed that the "response_processing_time" always shows "-1" and the "backend_status_code" always shows "-". We are using Application ELB to load balance fargate tasks. Pour plus d'informations sur les champs d'en-tête HTTP de serveur web, consultez la 3. Si la réponse du backend est la source de l'erreur 502 de l'ELB, le problème peut être causé par : Une réponse comprenant plus d'un CRLF entre chaque en-tête.

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