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Posted to notifications@apisix.apache.org by "hachi029 (via GitHub)" <gi...@apache.org> on 2025/11/27 04:39:04 UTC
[PR] docs(getting-started): fix '502 Bad Gateway' error in the getting sta… [apisix]
hachi029 opened a new pull request, #12780:
URL: https://github.com/apache/apisix/pull/12780
…rted tutorial
### Description
When following the getting-started guide, a 502 Bad Gateway response is returned.
`
curl "http://127.0.0.1:9080/ip
<html>
<head><title>502 Bad Gateway</title></head>
<body>
<center><h1>502 Bad Gateway</h1></center>
<hr><center>openresty</center>
<p><em>Powered by <a href="https://apisix.apache.org/">APISIX</a>.</em></p></body>
</html>`
Based on my validation, I found that the `pass_host: "node"` configuration must be added to the route to make APISIX send right `Host` to get a correct response (instead of 502 errors).
'curl -m 5 -v "http://httpbin.org/ip"
* Connected to httpbin.org (100.29.246.92) port 80
> GET /ip HTTP/1.1
> Host: httpbin.org
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 200 OK
< Connection: close
< Content-Length: 34
< Access-Control-Allow-Credentials: true
< Access-Control-Allow-Origin: *
< Content-Type: application/json
< Date: Thu, 27 Nov 2025 04:33:11 GMT
< Server: gunicorn/19.9.0
<
{
"origin": "101.x.x.177"
}
root@28d6b762434f:/workspace# curl -m 5 -v "http://httpbin.org/ip" -H "Host: 127.0.0.1:9080"
* Connected to httpbin.org (3.219.87.227) port 80
> GET /ip HTTP/1.1
> Host: 127.0.0.1:9080
> User-Agent: curl/8.5.0
> Accept: */*
>
* Operation timed out after 5002 milliseconds with 0 bytes received
* Closing connection
curl: (28) Operation timed out after 5002 milliseconds with 0 bytes received'
#### Which issue(s) this PR fixes:
### Checklist
- [ ] I have explained the need for this PR and the problem it solves
- [ ] I have explained the changes or the new features added to this PR
- [ ] I have added tests corresponding to this change
- [ ] I have updated the documentation to reflect this change
- [ ] I have verified that this change is backward compatible (If not, please discuss on the [APISIX mailing list](https://github.com/apache/apisix/tree/master#community) first)
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Re: [PR] docs(getting-started): fix '502 Bad Gateway' error in the getting sta… [apisix]
Posted by "hachi029 (via GitHub)" <gi...@apache.org>.
hachi029 commented on PR #12780:
URL: https://github.com/apache/apisix/pull/12780#issuecomment-3584563607
It's ok on my volcengine ECS, but not on my personal computer.
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Re: [PR] docs(getting-started): fix '502 Bad Gateway' error in the getting sta… [apisix]
Posted by "Baoyuantop (via GitHub)" <gi...@apache.org>.
Baoyuantop commented on PR #12780:
URL: https://github.com/apache/apisix/pull/12780#issuecomment-3584357069
Hi @hachi029, I didn't have the problem you described after trying it locally.
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Re: [PR] docs(getting-started): fix '502 Bad Gateway' error in the getting sta… [apisix]
Posted by "hachi029 (via GitHub)" <gi...@apache.org>.
hachi029 closed pull request #12780: docs(getting-started): fix '502 Bad Gateway' error in the getting sta…
URL: https://github.com/apache/apisix/pull/12780
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Re: [PR] docs(getting-started): fix '502 Bad Gateway' error in the getting sta… [apisix]
Posted by "hachi029 (via GitHub)" <gi...@apache.org>.
hachi029 commented on PR #12780:
URL: https://github.com/apache/apisix/pull/12780#issuecomment-3584503293
I’ve also verified this on other computers and encountered the same issue：
1. OK：
~ curl -v httpbin.org/ip
\* Host httpbin.org:80 was resolved.
\* IPv6: (none)
\* IPv4: 52.6.181.49, 54.227.38.221, 3.219.87.227, 3.232.74.21, 52.44.182.178, 100.29.246.92
\* Trying 52.6.181.49:80...
\* Connected to httpbin.org (52.6.181.49) port 80
\> GET /ip HTTP/1.1
\> Host: httpbin.org
\> User-Agent: curl/8.7.1
\> Accept: \*/\*
>
\* Request completely sent off
< HTTP/1.1 200 OK
< Date: Thu, 27 Nov 2025 07:17:22 GMT
< Content-Type: application/json
< Content-Length: 33
< Connection: keep-alive
< Server: gunicorn/19.9.0
< Access-Control-Allow-Origin: \*
< Access-Control-Allow-Credentials: true
<
{
"origin": "223.x.x.x"
}
\* Connection #0 to host httpbin.org left intact
2. failed with Header `Host: 127.0.0.1:8090` just like APISIX does in the getting stated tutorial.
➜ ~ curl -v httpbin.org/ip -H "Host: 127.0.0.1:8090"
\* Host httpbin.org:80 was resolved.
\* IPv6: (none)
\* IPv4: 54.227.38.221, 3.219.87.227, 3.232.74.21, 52.44.182.178, 100.29.246.92, 52.6.181.49
\* Trying 54.227.38.221:80...
\* Connected to httpbin.org (54.227.38.221) port 80
\> GET /ip HTTP/1.1
\> Host: 127.0.0.1:8090
\> User-Agent: curl/8.7.1
\> Accept: \*/\*
>
\* Request completely sent off
\* Recv failure: Connection reset by peer
\* Closing connection
curl: (56) Recv failure: Connection reset by peer
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