Upstream connect error or disconnect reset before headers reset reason overflow что это

Here's what "upstream connect error or disconnect/reset before headers connection failure" means and how to fix it. Learn all about this 503 error here!

Here’s what “upstream connect error or disconnect/reset before headers connection failure” means and how to fix it:

If you are an everyday user, and you see this message while browsing the internet, then it simply means that you need to clear your cache and cookies.

If you are a developer and see this message, then you need to check your service routes, destination rules, and/or traffic management with applications.

So if you want to learn all about what this 503 error means exactly and how to fix it, then this article is for you.

Let’s delve deeper into it!

Upstream Connect Error or Disconnect/Reset: Meaning? (Fix)

Young hipster woman upset and confused while working on her laptop

Upstream connect error or disconnect reset before headers reset reason connection failure.

That’s a very specific, yet unclear error message to see.

What is it trying to tell you?

Let’s start with an overview.

This is a 503 error message.

It’s a generic message that actually applies to a lot of different scenarios, and the fix for it will depend on the specific scenario at hand.

In general, this error is telling you that there is a connection error, and that error is linked to routing services and rules. 

That leaves an absolute ton of possibilities, but I’ll take you through the most common sources.

Then, we can talk about troubleshooting and fixing the problem.

confused woman looking at laptop screen

That covers the very zoomed-out picture of this error message, but if you’re getting it, then you probably want to get it to go away.

To fix the problem, we have to address the root cause.

That’s the essence of troubleshooting, and it definitely applies here.

There’s a problem when it comes to identifying the cause of this error.

There are basically two instances where you’re going to see this error, and they are completely different.

One place where you’ll run into it is when you’re coding specific functions that relate to network connection management.

I’m going to break down the three most common scenarios that lead to this error in the next few sections.

But, the other common time you see this error is when you’re browsing the internet.

That means that I’m really answering this question for two very different groups of people.

One group is developing or coding networking resources.

The other group is just browsing the internet.

As you might imagine, it’s hard to consolidate all of that into a single, concise answer.

So, I’m going to split this up.

First, I’ll tackle the developer problems.

If you’re just trying to browse the internet and don’t want to get deep into networking and how it works, then skip to the section that is clearly labeled as not for developers and programmers.

That said, if you want to take a peek behind the curtain and learn a little more about networking, I’ll try to keep these explanations as light as possible.

#1 Reconfiguring Service Routes

male hands working on laptop keyboard on table

I mentioned before that this is a 503 error.

One common place you’ll find it is when reconfiguring service routes.

The boiled-down essence here is that it’s easy to mix up service routing and rules such that the system can receive subsets before they are designed.

Naturally, the system doesn’t know what to do in that case, and you get a 503 error.

The key to avoiding this problem with service route reconfiguring is to follow what you might call a “make-before-break” rule.

Essentially, the steps force the system to add the new subset first and then update the virtual services.

#2 Setting Destination Rules

confused and upset young stylish man, sitting on sofa in living room, working online

Considering the issue above, it should not come as a surprise that you can trigger 503 errors when setting destination rules.

Most commonly, destination rules are the issue if you see the 503 errors right after a request to a service. 

This issue goes hand in hand with the one above.

The problem is still that the destination rule is creating the issue.

The difference is that this isn’t necessarily a problem with receiving subsets before they have been designed.

Virtually any destination rule error can lead to a 503 message.

Since there are so many ways these rules can break down and so many ways the problems can manifest, I’m going to cheat a little.

If you noticed that the problem correlates with new destination rules, then you can follow this guide.

It breaks down the most common destination rule problems and shows you how to overcome them.

#2 Traffic Management With Applications

Two charming women interacting with each other while working on their laptops

The third primary issue is related to conflicts between applications and any proxy sidecar.

In other words, the applications that work with your traffic management rules might not know those rules, and the application can do things that don’t play well with the traffic management system.

That’s pretty vague because, once again, there are a lot of specific possibilities.

The gist is that you’re trying to offload as much error recovery to the applications as you can.

That will minimize these conflicts and resolve most instances of 503 errors.

Upset young woman using laptop at home feels frustrated about computer problem

Considering the detailed problems we just covered, what can you do about the 503 error?

I included some solutions and linked to even more, but if you’re looking for a general guide, then here’s another way to think about the whole thing.

This specific message is telling you that there’s a timing problem between connect errors and disconnect resets.

Somewhere in your system, you have conflicting rules that are trying to do things out of order.

The best way to find the specific area is to focus on rules changes as they relate to traffic management.

Essentially, start with what you touched most recently, and work your way backward from there.

Ok, but What if I’m Not a Developer or Programmer? (3 Steps)

young woman sitting at desk in bedroom working on laptop, cat sitting next to the laptop

Alright. That was a relatively deep walk-through of connection rules development.

If you’re still with me, that’s great.

We’re going to switch gears and look at this from a simple user perspective.

You don’t need to know any coding to run into this problem, and I’m going to show you how to solve it without any coding either.

It’s actually pretty simple.

#1 The Walmart Bug

Tired young mother working with laptop on floor in messy room

But, it still makes more sense when you know more about what went wrong.

So, I’m going to cite one of the most prolific examples of everyday 503 errors.

In 2020, Walmart’s website ran into widespread issues.

Users could browse the site just fine, but when they tried to go to a specific product page to make a purchase, they got the 503 error.

It popped up word for word as I mentioned before: Upstream connect error or disconnect reset before headers reset reason for connection failure.

People were just trying to buy some stuff, and they got hit with this crazy message.

What are you supposed to do with it?

#2 An Easy Fix

woman's hand clicking on wireless mouse with laptop on wooden table

Well, the message is actually giving you very specific advice, once you know how to read it.

It’s telling you that your computer and the Walmart servers had a connection failure, and when they tried to automatically fix that connection problem, things broke down.

A quick note: I’m using the famous Walmart bug as an example, but the problems and solutions discussed here will work any time you see this message while browsing the web.

What that means is that there is some piece of information that is tied to your connection to the Walmart site that is messing up the automatic reconnect protocols.

While that might sound a little vague and mysterious, it actually tells us exactly where the problem lies.

The only information that could exist in this space would have to be stored in your browser’s cache.

This is related to your cookies.

Basically, when the error first went wrong, your computer remembered the problem, and so it just kept doing things the wrong way over and over again.

The solution requires you to make your computer forget the bad rule that it’s following.

To do that, you simply need to clear your cache and cookies.

#3 Clearing the Cache

woman looks pleased and relieved looking at laptop screen

The famous Walmart problem-plagued Chrome users, so I’ll walk you through how to do this on Google Chrome.

If you use a different browser, you can just look up how to clear cache and cookies.

Before we go through the steps, let me explain what is going to happen here.

We’re not deleting anything that is particularly important.

Your internet cache is just storing information related to the websites you visit.

Then, if you go back to that website or reload it, the stored information means that your computer doesn’t actually have to download as much information, and everything can load a little faster and easier.

So, when you delete this cache, it’s going to do a few things.

It’s going to slow down your first visit to any site that no longer has cached files.

But after you visit a site, it will build new cache files, and things will work normally.

This is also going to make your computer forget your sign-in information for any sites that require such.

Sticking with Walmart as an example, if you were signed into the website with your account, then after you clear the cache, you’re going to be automatically signed out again.

Make sure you know your passwords and usernames.

Because of this last issue, some people don’t like to clear their cache.

If you’re worried about that, then you don’t have to clear everything.

Just clear the cache back through the day when the error started.

Ok. With all of that covered, let’s go through the steps: 

  • Look for the three dots and click on them (this opens the tools menu).
  • Choose “history” from the list.
  • Choose the time frame on the right that covers the data you want to clear.
  • Click on “Clear browsing data.”
  • Look at the checkboxes. You can choose cookies, cached images and files, and browsing history.
  • To be sure you resolve the 503 error, clear the cookies and cached files.
  • Click on “Clear Data” and you’re done.
Источник

I’m having a problem migrating my pure Kubernetes app to an Istio managed. I’m using Google Cloud Platform (GCP), Istio 1.4, Google Kubernetes Engine (GKE), Spring Boot and JAVA 11.

I had the containers running in a pure GKE environment without a problem. Now I started the migration of my Kubernetes cluster to use Istio. Since then I’m getting the following message when I try to access the exposed service.

upstream connect error or disconnect/reset before headers. reset reason: connection failure

This error message looks like a really generic. I found a lot of different problems, with the same error message, but no one was related to my problem.

Bellow the version of the Istio:

client version: 1.4.10
control plane version: 1.4.10-gke.5
data plane version: 1.4.10-gke.5 (2 proxies)

Bellow my yaml files:

apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    account: tree-guest
  name: tree-guest-service-account
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: tree-guest
    service: tree-guest
  name: tree-guest
spec:
  ports:
  - name: http
    port: 8080
    targetPort: 8080
  selector:
    app: tree-guest
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: tree-guest
    version: v1
  name: tree-guest-v1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: tree-guest
      version: v1
  template:
    metadata:
      labels:
        app: tree-guestaz
        version: v1
    spec:
      containers:
      - image: registry.hub.docker.com/victorsens/tree-quest:circle_ci_build_00923285-3c44-4955-8de1-ed578e23c5cf
        imagePullPolicy: IfNotPresent
        name: tree-guest
        ports:
        - containerPort: 8080
      serviceAccount: tree-guest-service-account
---
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: tree-guest-gateway
spec:
  selector:
    istio: ingressgateway # use istio default controller
  servers:
    - port:
        number: 80
        name: http
        protocol: HTTP
      hosts:
        - "*"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: tree-guest-virtual-service
spec:
  hosts:
    - "*"
  gateways:
    - tree-guest-gateway
  http:
    - match:
        - uri:
            prefix: /v1
      route:
        - destination:
            host: tree-guest
            port:
              number: 8080

To apply the yaml file I used the following argument:

kubectl apply -f <(istioctl kube-inject -f ./tree-guest.yaml)

Below the result of the Istio proxy argument, after deploying the application:

istio-ingressgateway-6674cc989b-vwzqg.istio-system SYNCED SYNCED SYNCED SYNCED 
istio-pilot-ff4489db8-2hx5f 1.4.10-gke.5 tree-guest-v1-774bf84ddd-jkhsh.default SYNCED SYNCED SYNCED SYNCED istio-pilot-ff4489db8-2hx5f 1.4.10-gke.5

If someone have a tip about what is going wrong, please let me know. I’m stuck in this problem for a couple of days.

Thanks.

Источник

Содержание

  1. upstream connect error or disconnect/reset before headers. reset reason: connection termination #19966
  2. Comments
  3. Footer
  4. upstream connect error or disconnect/reset before headers #2852
  5. Comments
  6. «upstream connect error or disconnect/reset before headers. reset reason: connection failure» error for .NET Core apps run in docker-compose #15727
  7. Comments

upstream connect error or disconnect/reset before headers. reset reason: connection termination #19966

Bug description
I upgraded istio from 1.3.6 to 1.4.2 and suddenly getting below error. Are there any changes that I need to make on version 1.4.2 to run previous applications? How can I debug this error to know the actual issue? In the logs there is no info other than error code 503.

upstream connect error or disconnect/reset before headers. reset reason: connection termination

I checked service is up and running with the valid endpoint.

service.yaml

Application istio-proxy logs

ingress gateway logs

Extra info

Expected behavior
The application should run without error message over ingress gateway.

Version (include the output of istioctl version —remote and kubectl version and helm version if you used Helm)
1.4.2

How was Istio installed?
helm template

Environment where bug was observed (cloud vendor, OS, etc)
AKS

The text was updated successfully, but these errors were encountered:

Not sure why is this happening but when I added name in Service ports it worked.

Just commenting here to say that I encountered this same error ( upstream connect error or disconnect/reset before headers. reset reason: connection termination ) when I upgraded from 1.3 to 1.4 and wasted a ton of time trying to debug and figure out what exactly was causing it. I was able to downgrade to 1.3.x with no issue so it was not a huge blocker or anything but just had no idea how to fix it.

Your solution of adding names to the ports in the Kubernetes Services worked for me and I am very grateful.

This should be documented somewhere as it is not obvious. Kubernetes Service port names are optional if you only have a single port and I am sure a lot of other people are hitting this wall. Here for example.

Thx @rnkhouse, it works for me too

I had this same issue too when I upgraded to Istio 1.4.6, but I did NOT see it with Istio 1.4.3. However, simply giving the port a name did not work. I had previously named it interface , but that resulted in the above error. When I named it http , then it worked fine.

see it too with istio 1.4.4

I’ve just run into this as well (tested in 1.4.0 — same symptom was observed on 1.4.6) — this feels like something that should’ve been mentioned at https://istio.io/news/releases/1.4.x/announcing-1.4/upgrade-notes/
It looks like things like https://github.com/helm/charts/blob/master/stable/concourse/templates/web-svc.yaml#L36 are incompatible with this requirement?

Setting PILOT_ENABLE_PROTOCOL_SNIFFING_FOR_OUTBOUND=false in the istio-pilot deployment environment and deleting the istio-ingressgateway/concourse-web pods has also done the trick, with an atc ServicePort name.
I’ve also found that skipping 1.4.x entirely and going to 1.5 is fine.

Had same issue for jaeger service. Having istio 1.4.3 version.
Changed port name from query-http to http-query and it worked!
Please fix it.

Not sure why is this happening but when I added name in Service ports it worked.

This one worked for us too.. phew.. great save.

FWIW I had the same problem with the service port names. Though in my case it was that grpcurl could talk to the gRPC server backend behind envoy, where some webapp could not. So I changed name from grpc to grpc-web and made it work for both the webapp and grpcurl . There is something about upgrading HTTP 1.1 to HTTP 2 that I do not fully understand why the Kubernetes service name would have such an effect. grpcurl speaks HTTP 2 natively whereas the gRPC web magic does not.

ports:
— port: 12306
name: web-http
targetPort: 12306

ports:
— port: 12306
name: grpc-web-http
targetPort: 12306

Just to make it clear for others, the name is not a free text.

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Источник

upstream connect error or disconnect/reset before headers #2852

I and others have recently been seeing the «upstream connect error or disconnect/reset before headers» error with some frequency.

It doesn’t seem to be deterministic, for example, only one of the below requests failed.

and upon refreshing the page, a different one, or more, of those same requests may fail.

The errors seem to dissipate after refreshing the page a few times, and I have not yet encountered this while port-forwarding, as opposed to using the «cluster.endpoints.project.cloud.goog» URL for my deployment.

I wasn’t sure if this should be its own issue, or should be added to #1710.

The text was updated successfully, but these errors were encountered:

I think upstream errors are an issue indicating that Ambassador thinks the backend its forwarding traffic to is unhealthy.

Are there particular backends you are seeing this error with?

I have seen the same error. This is happening to me when loading runs for a scheduled pipeline in pipeline UI. @jlewi Do you think this can be caused by pipeline?

FWIW this is happening among a batch of requests. the rest of the requests succeeded indicating the backend should be running.

I think upstream errors are an issue indicating that Ambassador thinks the backend its forwarding traffic to is unhealthy.

Are there particular backends you are seeing this error with?

This is happening with the root Kubeflow UX on Kubeflow deploayments with IAM enabled.
It seems to be happening more and more. Previously it was happening after waiting for several hours. Not it can happen after few minutes.

@Ark-kun @IronPan @rileyjbauer when you observe this error can you take a look and provide your Ambassador pod logs?

I noticed this and when I looked at the logs (see below) I saw errors like the following

If you observe this I might suggest trying to kill all your Ambassador pods.

Ambassador tries to setup a K8s watch on the APIServer to be notified about service changes. It looks like it is having a problem establishing a connection to the APIServer.

The problem might be dependent on Ambassador as well as your APIServer; is your APIServer under a lot of load?

We are using
quay.io/datawire/ambassador:0.37.0

It might be worth trying a newer version of Ambassador.

@ellis-bigelow Do you recall what the performance issues with Ambassador you saw were?
ambassador-5cf8cd97d5-pqrsw.pods.txt

I ran into this problem while installing seldon to my cluster. I added it in twice, once as seldon and another time as seldon-core. This might have been the root cause for this issue, as well as argocd not syncing.

Thanks for the direction @jlewi

I tried killing the pods and after the new ones were up, but I continued to see the errors, and there didn’t seem to be anything notable in the ambassador or API server pod logs

Seeing this too from recent master in EC2. Went down to 1 ambassador replica but no joy.

Re posting as this thread seems more recent and active.

Envoy upstream had an issue that only recently was fixed in dev but not yet fixed in any stable version where if the service it was proxying to ended the connection with a FIN/ACK envoy would responding with only an ACK and still leave it in its connection pool and would send the next request to that service using that connection.

The service would receive it, say a get request, and then send a RST as since it had already FIN/ACK ed it doens’t have a way to reply to the request.

Its a roll of the dice whether your request get loaded to an http connection in the pool that is already dead but envoy doesn’t know it or goes to a live one which is why the symptoms of this issue are so intermittent.

May be related to what your seeing, to confirm if you have a way to capture packets on the service side you should see the weird behavoir of the service doing a FIN/ACK but envoy only responding with ACK and then sometime later sending another request on that TCP stream triggering the service to send a RST .

In envoy 1.10 they improved the message you get back so after upstream connect error or disconnect/reset before headers you will get more information, in my case got a message like connection terminated so if you upgrade to the latest envoy you may at least get additional information to confirm this what the source of the problem is even if it isn’t this specific envoy issue.

Источник

«upstream connect error or disconnect/reset before headers. reset reason: connection failure» error for .NET Core apps run in docker-compose #15727

Description:
Hello, I have 2 .NET Core apps (Razor-pages web app and GRPC Service) running in docker-compose. Both are running in different localhost ports. If I access them via localhost, like:

  • http://localhost:5105/ or http://127.0.0.1:5105 — for the web app,
  • http://localhost:5104/ or http://127.0.0.1:5104 — for the GRPC
    both are working. But when I added the envoy configuration listener and clusters and trying to access via:
  • http://localhost:8080/imageslibs
  • http://localhost:8080/imagesservice

Envoy returns the exception upstream connect error or disconnect/reset before headers. reset reason: connection failure for both apps.
The docker-compose.yml:
version: ‘3.4’

Config:
Envoy’s dockerfile:

front-envoy_1 | [2021-03-28 16:47:54.444][14][debug][http] [source/common/http/conn_manager_impl.cc:255] [C6] new stream
front-envoy_1 | [2021-03-28 16:47:54.445][14][debug][http] [source/common/http/conn_manager_impl.cc:883] [C6][S14144009116599918894] request headers complete (end_stream=true):
front-envoy_1 | ‘:authority’, ‘localhost:8080’
front-envoy_1 | ‘:path’, ‘/imageslibs’
front-envoy_1 | ‘:method’, ‘GET’
front-envoy_1 | ‘connection’, ‘keep-alive’
front-envoy_1 | ‘cache-control’, ‘max-age=0’
front-envoy_1 | ‘sec-ch-ua’, ‘»Google Chrome»;v=»89″, «Chromium»;v=»89″, «;Not A Brand»;v=»99″‘
front-envoy_1 | ‘sec-ch-ua-mobile’, ‘?0’
front-envoy_1 | ‘upgrade-insecure-requests’, ‘1’
front-envoy_1 | ‘user-agent’, ‘Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36’
front-envoy_1 | ‘accept’, ‘text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.9′
front-envoy_1 | ‘sec-fetch-site’, ‘none’
front-envoy_1 | ‘sec-fetch-mode’, ‘navigate’
front-envoy_1 | ‘sec-fetch-user’, ‘?1’
front-envoy_1 | ‘sec-fetch-dest’, ‘document’
front-envoy_1 | ‘accept-encoding’, ‘gzip, deflate, br’
front-envoy_1 | ‘accept-language’, ‘en-US,en;q=0.9’
front-envoy_1 | ‘cookie’, ‘idsrv.session=NlW8VRtzuNJguQYDdVVpIA; .AspNetCore.Cookie=CfDJ8BR22IBZi6xAvAD2wBqZBlG2IUeWsw7hHPiNq4LrY2HBNRWyhGZ2gZuzRIbMi9MLO7IDORqkSIvDTuZDsLDz6RYtLccXi9x2CwlSzHS169Pgs3hs6biCcFKuriLkWZ4lpWHv4OCqZdO4lGgWmdzcrf2ctQbQOA-xPS7O7NSoQ0-a8VGjjthlIolqaxh5gYLtvvdjSI043UZWVOCb_ZDnFNiD4H_WKAtpKmdENFk_4NbSZmmQ3Indj2ty72kNNUUv8OLEswzxI5dBGA9AYI7i-lzMjbl8GjXNhplHR5j7XJTgG7i9dsF2antRfonV_IpL4sabtmLhdti-ZaumXhPewS702E_1BKo-8ELV3LOMfiE_jdkKJTPR15sCSWkSo0-nllUoQczL7de0F8KMolWK8KoB13z8E388w2juHXnmiDYQIAn3MWzKUvhH_bhgK_ZBCEExWvDqgGRRBroI90Nvg6IAwc_-PoJcPE1HE2i6ouzdkNXoBRg6IQWmelHAtDb8uI2CYzYeBu3zYrnJq28vOhAx_Qpr_y7A0GenqHyJO5cw; .AspNetCore.Antiforgery.9TtSrW0hzOs=CfDJ8Do6rlT2pe5IndjlZXmKm7GvuVL61tmcxXKqGH7eWnem071yNAndO5zwY5WDwxxHjY8CnoRIsalbkPMWIIq_ZFysZ-fkQJJdPm78T8dCxUe5DGeKiJqu5GjjEldMAkcnvmYjNYO9Ht13ldBWwzbBUqs’
front-envoy_1 |
front-envoy_1 | [2021-03-28 16:47:54.445][14][debug][http] [source/common/http/filter_manager.cc:774] [C6][S14144009116599918894] request end stream
front-envoy_1 | [2021-03-28 16:47:54.445][14][debug][router] [source/common/router/router.cc:426] [C6][S14144009116599918894] cluster ‘imageslibs’ match for URL ‘/imageslibs’
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][router] [source/common/router/router.cc:583] [C6][S14144009116599918894] router decoding headers:
front-envoy_1 | ‘:authority’, ‘localhost:8080’
front-envoy_1 | ‘:path’, ‘/imageslibs’
front-envoy_1 | ‘:method’, ‘GET’
front-envoy_1 | ‘:scheme’, ‘http’
front-envoy_1 | ‘cache-control’, ‘max-age=0’
front-envoy_1 | ‘sec-ch-ua’, ‘»Google Chrome»;v=»89″, «Chromium»;v=»89″, «;Not A Brand»;v=»99″‘
front-envoy_1 | ‘sec-ch-ua-mobile’, ‘?0’
front-envoy_1 | ‘upgrade-insecure-requests’, ‘1’
front-envoy_1 | ‘user-agent’, ‘Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36’
front-envoy_1 | ‘accept’, ‘text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.9′
front-envoy_1 | ‘sec-fetch-site’, ‘none’
front-envoy_1 | ‘sec-fetch-mode’, ‘navigate’
front-envoy_1 | ‘sec-fetch-user’, ‘?1’
front-envoy_1 | ‘sec-fetch-dest’, ‘document’
front-envoy_1 | ‘accept-encoding’, ‘gzip, deflate, br’
front-envoy_1 | ‘accept-language’, ‘en-US,en;q=0.9’
front-envoy_1 | ‘cookie’, ‘idsrv.session=NlW8VRtzuNJguQYDdVVpIA; .AspNetCore.Cookie=CfDJ8BR22IBZi6xAvAD2wBqZBlG2IUeWsw7hHPiNq4LrY2HBNRWyhGZ2gZuzRIbMi9MLO7IDORqkSIvDTuZDsLDz6RYtLccXi9x2CwlSzHS169Pgs3hs6biCcFKuriLkWZ4lpWHv4OCqZdO4lGgWmdzcrf2ctQbQOA-xPS7O7NSoQ0-a8VGjjthlIolqaxh5gYLtvvdjSI043UZWVOCb_ZDnFNiD4H_WKAtpKmdENFk_4NbSZmmQ3Indj2ty72kNNUUv8OLEswzxI5dBGA9AYI7i-lzMjbl8GjXNhplHR5j7XJTgG7i9dsF2antRfonV_IpL4sabtmLhdti-ZaumXhPewS702E_1BKo-8ELV3LOMfiE_jdkKJTPR15sCSWkSo0-nllUoQczL7de0F8KMolWK8KoB13z8E388w2juHXnmiDYQIAn3MWzKUvhH_bhgK_ZBCEExWvDqgGRRBroI90Nvg6IAwc_-PoJcPE1HE2i6ouzdkNXoBRg6IQWmelHAtDb8uI2CYzYeBu3zYrnJq28vOhAx_Qpr_y7A0GenqHyJO5cw; .AspNetCore.Antiforgery.9TtSrW0hzOs=CfDJ8Do6rlT2pe5IndjlZXmKm7GvuVL61tmcxXKqGH7eWnem071yNAndO5zwY5WDwxxHjY8CnoRIsalbkPMWIIq_ZFysZ-fkQJJdPm78T8dCxUe5DGeKiJqu5GjjEldMAkcnvmYjNYO9Ht13ldBWwzbBUqs’
front-envoy_1 | ‘x-forwarded-proto’, ‘http’
front-envoy_1 | ‘x-request-id’, ‘6def488d-7020-4a79-acee-d1bd5a9f7252’
front-envoy_1 | ‘x-envoy-expected-rq-timeout-ms’, ‘15000’
front-envoy_1 |
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][pool] [source/common/http/conn_pool_base.cc:79] queueing stream due to no available connections
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][pool] [source/common/conn_pool/conn_pool_base.cc:229] trying to create new connection
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][pool] [source/common/conn_pool/conn_pool_base.cc:132] creating a new connection
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][client] [source/common/http/codec_client.cc:41] [C8] connecting
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][connection] [source/common/network/connection_impl.cc:861] [C8] connecting to 127.0.0.1:5105
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][connection] [source/common/network/connection_impl.cc:880] [C8] connection in progress
front-envoy_1 | [2021-03-28 16:47:54.446][14][debug][connection] [source/common/network/connection_impl.cc:671] [C8] delayed connection error: 111
front-envoy_1 | [2021-03-28 16:47:54.447][14][debug][connection] [source/common/network/connection_impl.cc:243] [C8] closing socket: 0
front-envoy_1 | [2021-03-28 16:47:54.447][14][debug][client] [source/common/http/codec_client.cc:101] [C8] disconnect. resetting 0 pending requests
front-envoy_1 | [2021-03-28 16:47:54.447][14][debug][pool] [source/common/conn_pool/conn_pool_base.cc:380] [C8] client disconnected, failure reason:
front-envoy_1 | [2021-03-28 16:47:54.447][14][debug][router] [source/common/router/router.cc:1040] [C6][S14144009116599918894] upstream reset: reset reason: connection failure, transport failure reason:
front-envoy_1 | [2021-03-28 16:47:54.447][14][debug][http] [source/common/http/filter_manager.cc:858] [C6][S14144009116599918894] Sending local reply with details upstream_reset_before_response_started
front-envoy_1 | [2021-03-28 16:47:54.447][14][debug][http] [source/common/http/conn_manager_impl.cc:1454] [C6][S14144009116599918894] encoding headers via codec (end_stream=false):
front-envoy_1 | ‘:status’, ‘503’
front-envoy_1 | ‘content-length’, ’91’
front-envoy_1 | ‘content-type’, ‘text/plain’
front-envoy_1 | ‘date’, ‘Sun, 28 Mar 2021 16:47:54 GMT’
front-envoy_1 | ‘server’, ‘envoy’

Here is the localhost:9999/clusters output:

imageslibs::default_priority::max_connections::1024
imageslibs::default_priority::max_pending_requests::1024
imageslibs::default_priority::max_requests::1024
imageslibs::default_priority::max_retries::3
imageslibs::high_priority::max_connections::1024
imageslibs::high_priority::max_pending_requests::1024
imageslibs::high_priority::max_requests::1024
imageslibs::high_priority::max_retries::3
imageslibs::added_via_api::false
imageslibs::127.0.0.1:5105::cx_active::0
imageslibs::127.0.0.1:5105::cx_connect_fail::2
imageslibs::127.0.0.1:5105::cx_total::2
imageslibs::127.0.0.1:5105::rq_active::0
imageslibs::127.0.0.1:5105::rq_error::2
imageslibs::127.0.0.1:5105::rq_success::0
imageslibs::127.0.0.1:5105::rq_timeout::0
imageslibs::127.0.0.1:5105::rq_total::0
imageslibs::127.0.0.1:5105::hostname::127.0.0.1
imageslibs::127.0.0.1:5105::health_flags::healthy
imageslibs::127.0.0.1:5105::weight::1
imageslibs::127.0.0.1:5105::region::
imageslibs::127.0.0.1:5105::zone::
imageslibs::127.0.0.1:5105::sub_zone::
imageslibs::127.0.0.1:5105::canary::false
imageslibs::127.0.0.1:5105::priority::0
imageslibs::127.0.0.1:5105::success_rate::-1.0
imageslibs::127.0.0.1:5105::local_origin_success_rate::-1.0
secure_imageslibs::default_priority::max_connections::1024
secure_imageslibs::default_priority::max_pending_requests::1024
secure_imageslibs::default_priority::max_requests::1024
secure_imageslibs::default_priority::max_retries::3
secure_imageslibs::high_priority::max_connections::1024
secure_imageslibs::high_priority::max_pending_requests::1024
secure_imageslibs::high_priority::max_requests::1024
secure_imageslibs::high_priority::max_retries::3
secure_imageslibs::added_via_api::false
secure_imageslibs::127.0.0.1:9105::cx_active::0
secure_imageslibs::127.0.0.1:9105::cx_connect_fail::0
secure_imageslibs::127.0.0.1:9105::cx_total::0
secure_imageslibs::127.0.0.1:9105::rq_active::0
secure_imageslibs::127.0.0.1:9105::rq_error::0
secure_imageslibs::127.0.0.1:9105::rq_success::0
secure_imageslibs::127.0.0.1:9105::rq_timeout::0
secure_imageslibs::127.0.0.1:9105::rq_total::0
secure_imageslibs::127.0.0.1:9105::hostname::127.0.0.1
secure_imageslibs::127.0.0.1:9105::health_flags::healthy
secure_imageslibs::127.0.0.1:9105::weight::1
secure_imageslibs::127.0.0.1:9105::region::
secure_imageslibs::127.0.0.1:9105::zone::
secure_imageslibs::127.0.0.1:9105::sub_zone::
secure_imageslibs::127.0.0.1:9105::canary::false
secure_imageslibs::127.0.0.1:9105::priority::0
secure_imageslibs::127.0.0.1:9105::success_rate::-1.0
secure_imageslibs::127.0.0.1:9105::local_origin_success_rate::-1.0
imagesservice::default_priority::max_connections::1024
imagesservice::default_priority::max_pending_requests::1024
imagesservice::default_priority::max_requests::1024
imagesservice::default_priority::max_retries::3
imagesservice::high_priority::max_connections::1024
imagesservice::high_priority::max_pending_requests::1024
imagesservice::high_priority::max_requests::1024
imagesservice::high_priority::max_retries::3
imagesservice::added_via_api::false
imagesservice::127.0.0.1:5104::cx_active::0
imagesservice::127.0.0.1:5104::cx_connect_fail::1
imagesservice::127.0.0.1:5104::cx_total::1
imagesservice::127.0.0.1:5104::rq_active::0
imagesservice::127.0.0.1:5104::rq_error::1
imagesservice::127.0.0.1:5104::rq_success::0
imagesservice::127.0.0.1:5104::rq_timeout::0
imagesservice::127.0.0.1:5104::rq_total::0
imagesservice::127.0.0.1:5104::hostname::127.0.0.1
imagesservice::127.0.0.1:5104::health_flags::healthy
imagesservice::127.0.0.1:5104::weight::1
imagesservice::127.0.0.1:5104::region::
imagesservice::127.0.0.1:5104::zone::
imagesservice::127.0.0.1:5104::sub_zone::
imagesservice::127.0.0.1:5104::canary::false
imagesservice::127.0.0.1:5104::priority::0
imagesservice::127.0.0.1:5104::success_rate::-1.0
imagesservice::127.0.0.1:5104::local_origin_success_rate::-1.0

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  • Upstream connect error or disconnect reset before headers reset reason local reset перевод
  • Upstream connect error or disconnect reset before headers reset reason connection termination это
  • Upstream connect error or disconnect reset before headers reset reason connection termination хром
  • Upstream connect error or disconnect reset before headers reset reason connection failureперевести
  • Upstream connect error or disconnect reset before headers reset reason connection failure что это