Violeta Georgieva

@yssprasad Definitely it seems some blocking issue, will you be able to make a local test with [Blockhound](https://github.com/reactor/BlockHound) enabled? In a thread dump we are interested in Reactor Netty threads...

and in the thread dump, do you have blocked threads with name `reactor-netty-...`?

> > I also see following stack trace frequently in my logs. Hope this is not problematic > > ``` > > java.lang.Exception: ChannelOperation terminal stack > > at reactor.netty.channel.ChannelOperations.terminate(ChannelOperations.java:501)...

This looks similar to https://github.com/reactor/reactor-netty/issues/3889, but there we can see the event loop blocked by Spring Framework while here you say that there is nothing in the thread dump. Can...

@yssprasad Is it possible to take a tcpdump?

@YurZir Please can you elaborate, which incoming request was received in full. See the log below ``` Oct 22, 2025 @ 11:15:24.278 [2b7aefd3-7, L:/IP1:51638 - R:server.xx.com/IP2:443] onStateChange(POST{uri=/URL2, connection=PooledConnection{channel=[id: 0x2b7aefd3, L:/IP1:51638...

@yssprasad By default there is no MDC in the Reactor Netty logs. You can enable this following the suggestions in this comment https://github.com/reactor/reactor-netty/issues/3919#issuecomment-3302788760

@alekhyaravilla Can you please specify the ports of the Spring Cloud Gateway **http client** and the **target service**? The exception is `Connection has been closed BEFORE response, while sending request...

@yssprasad the provided tcp dump contains information only for **connection 1** and not **connection 2** that I need

@dependabot recreate