zar3bski opened a new issue, #7882:
URL: https://github.com/apache/apisix/issues/7882
### Description
I feel dumb by not finding it by myself but this behavior is quite
surprising. I have the following route pointing to an elasticsearch kubernetes
service
```json
{
"uri": "/elastic/*",
"name": "elastic",
"methods": [
"GET",
"POST",
"PUT",
"DELETE",
"PATCH",
"HEAD",
"OPTIONS",
"CONNECT",
"TRACE"
],
"upstream": {
"nodes": [
{
"host": "elasticsearch-es-internal-http.default.svc",
"port": 9200,
"weight": 1
}
],
"timeout": {
"connect": 6,
"send": 6,
"read": 6
},
"type": "roundrobin",
"scheme": "https",
"pass_host": "pass",
"keepalive_pool": {
"idle_timeout": 60,
"requests": 1000,
"size": 320
}
},
"status": 1
}
```
When I reach the service through **apisix-gateway** with `curl
http://localhost:30532/elastic/`, I would expect to end up on the root of the
web service and to get
```json
{
"name" : "elasticsearch-es-master-0",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "qCuSnxgLTOSklJM13cH3XA",
"version" : {
"number" : "8.2.2",
"build_flavor" : "default",
"build_type" : "docker",
"build_hash" : "9876968ef3c745186b94fdabd4483e01499224ef",
"build_date" : "2022-05-25T15:47:06.259735307Z",
"build_snapshot" : false,
"lucene_version" : "9.1.0",
"minimum_wire_compatibility_version" : "7.17.0",
"minimum_index_compatibility_version" : "7.0.0"
},
"tagline" : "You Know, for Search"
}
```
(which is what I get when I `curl
https://elasticsearch-es-internal-http.default.svc:9200`). Instead, I get
```json
{"error":{"root_cause":[{"type":"index_not_found_exception","reason":"no
such index
[elastic]","resource.type":"index_or_alias","resource.id":"elastic","index_uuid":"_na_","index":"elastic"}],"type":"index_not_found_exception","reason":"no
such index
[elastic]","resource.type":"index_or_alias","resource.id":"elastic","index_uuid":"_na_","index":"elastic"},"status":404}
```
as if I were reaching
`https://elasticsearch-es-internal-http.default.svc:9200/elastic`.
How to remove `/elastic` from the call to the upstream service ?
### Environment
- APISIX version: 2.15.0
- Operating system (run `uname -a`):
- OpenResty version : 1.21.4.1 /
- etcd version:8.3.4
Deployed with Helm
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