Apache have reached the limits and was unable to handle next connection. When this happens, the connection between NGINX and PHP-FPM is severed and NGINX returns a 502 Bad Gateway.The PHP-FPM process memory limit is controlled by the memory_limit variable. because there was actually no internal port 9003 found in the container instance of my microservice for the 9003 on the linux host to map to. Error: 'Connection prematurely closed BEFORE response; nested exception is reactor.netty.http.client.PrematureCloseException: Connection prematurely closed BEFORE response', type='org.springframework.web.reactive.function.client.WebClientRequestException'. Exception Message This should be the last line of the log file. 500 to 700 requests per. After reviewing a lot of GitHub or StackOverflow pages, the only things I saw to correct it was to update the netty library (In the . enable the logger logging.level.reactor.ipc.netty.resources.DefaultPoolResources=DEBUG on the gateway application. Getting "reactor.netty.http.client.PrematureCloseException: Connection prematurely closed BEFORE response" while mocking a third part API Ask Question Asked 2 years, 10 months ago I am using spring cloud gateway as API gateway in my micro service setup with consul as service discovery. run the scenario. Spring Cloud Gateway 1Connection prematurely closed BEFORE response Connection prematurely closed BEFORE response When running in a cloud environment, where containers come and go, it's important that in flight requests are not terminated abruptly but rather given time to finish when the container is shutdown. reactor.netty.http.client.PrematureCloseException: Connection prematurely closed BEFORE response 1JVM -Dreactor.netty.pool.leasingStrategy=lifo 2SCG spring: cloud: gateway: httpclient: pool: maxIdleTime: 100 () look at the log file and check the last record of the type Channel closed, now x active connections and y inactive connections. I have no idea if this is a Spring boot bug, or a reactor-netty bug, or a bug in the remote host. Hi,we are using Spring cloud gateway for an application having high volume of requests (approx. In some case when API of some microservice take more then 2 minutes, gateway throws below error: java.io.IOException: Connection closed prematurely at reactor.ipc.netty.http.client.HttpClientOperations.onInboundClose(HttpClientOperations . Actual Behavior During a load testing using vegeta, when I try to send 500 requests/sec with up to 5. GateWayConnection prematurely closed BEFORE response SCGReactor-NettySCGSpring BootTomcat . We can use the responseTimeout () method to configure it for the client: HttpClient client = HttpClient.create () .responseTimeout (Duration.ofSeconds ( 1 )); In this example, we configure the timeout for 1 second. Here, Exception Message. Please, help Thank you. 0.0.0.0:9003 -> 9003/tcp instead of 0.0.0.0:9003 -> 8080/tcp. The response timeout is the time we wait to receive a response after sending a request. I am facing intermediate issue when try to make rest call using spring boot web client. Spring Cloud GatewayReactorSCGreactor.netty.http.client.PrematureCloseException: Connection . This issue may also arise if a PHP-FPM process exceeds its allocated memory limit. PrematureCloseException: Connection prematurely closed. The WebClient uses a connection pool, with persistent connection (HTTP 1.1 default), so it does not need to be closed. . After further investigation, it seems that the problem is on the side of Cowboy, which is also consistent with the fact that it worked in 3.6.x where a different HTTP server was used. 500 to 700 requests per sec). we have been facing intermittent issues like Raja Kalyan Ram Sunkara Asks: Spring Cloud Gateway - Issue with "Connection prematurely closed DURING response" during high volume of requests we are using Spring cloud gateway for an application having high volume of requests (approx. Call the back-end service jetty through the gateway service spring cloud gateway and report an exception. reactor.netty.channel.AbortedException: Connection has been closed BEFORE response. server.connection-timeout=5000 spring.cloud.gateway.httpclient.pool.max-idle-time=2000ms Notice: . . It was caused by Apache through which traffic was flowing. reason. Response Timeout. Reappearance. This can be set with php_admin_value[memory_limit] in the PHP-FPM configuration file. Describe the bug @spencergibb Hi Version information: springboot:2.3.1.RELEASE spring-cloud-starter-gateway:2.2.6.RELEASE reactor-netty:0.9.8.RELEASE reactor-core:3.3 . spring cloud gateway 500. Spring boot 2.1.7 Spring Cloud Gateway : org.springframework.cloud:spring-cloud-starter-gateway. spring cloud gateway. I just remember that we had very similar problem with "Connection prematurely closed BEFORE response". stop the origin. spring cloud gateway 500reactor.netty.channel.AbortedException: Connection has been closed BEFORE response. Question/Enhancement. The back-end service automatically disconnects after the socket timeout, and the gateway service takes the disconnected connection from the httpclient connection pool to request. This was why the api-gateway kept throwing the. Spring Cloud Gateway - Issue with "Connection prematurely closed DURING response" during high volume of requestsSpring Cloud Gateway - "" 2022-08-01 14:51:12 . 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