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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2022/03/29 03:06:09 UTC
[GitHub] [apisix] tq0426w opened a new issue #6740: grpc-transcode+eureka, return 502
tq0426w opened a new issue #6740:
URL: https://github.com/apache/apisix/issues/6740
### Description
use grpc-transcode, give ip:port, can proxy grpc protocol by http protocol.
But when i use eureka as registry, i get 502 response.
apisix error.log:
2022/03/29 10:59:58 [error] 26592#26592: *58183 upstream prematurely closed connection while reading response header from upstream, client: 223.104.41.240, server: _, request: "GET /grpctest?name=mqtt HTTP/1.1", upstream: "grpc://172.17.77.181:58080", host: "121.43.113.62:9080"
i'm not sure whether apisix can get right grpc port, because the port 58080 in "grpc://172.17.77.181:58080" is http protocol port.
how could i config to use grpc-transcode+eureka?
### Environment
- APISIX version (2.13.0):
- Operating system (Linux HOST099ECS 3.10.0-693.2.2.el7.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux):
- OpenResty / Nginx version (nginx version: openresty/1.19.9.1):
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[GitHub] [apisix] shuaijinchao commented on issue #6740: grpc-transcode+eureka, return 502
Posted by GitBox <gi...@apache.org>.
shuaijinchao commented on issue #6740:
URL: https://github.com/apache/apisix/issues/6740#issuecomment-1082523021
You can try to use the grpc client to simulate the current request to verify that the current upstream is valid.
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[GitHub] [apisix] soulbird commented on issue #6740: grpc-transcode+eureka, return 502
Posted by GitBox <gi...@apache.org>.
soulbird commented on issue #6740:
URL: https://github.com/apache/apisix/issues/6740#issuecomment-1081427075
Please provide more information so that we can reproduce it, e.g： routes and upstream or any other...
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[GitHub] [apisix] tzssangglass commented on issue #6740: grpc-transcode+eureka, return 502
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #6740:
URL: https://github.com/apache/apisix/issues/6740#issuecomment-1085612248
> i modify discovery/eureka/init.lua code.
>
> i find init.lua get port from eureka by "port" or "securePort" field. but when a gRPC server register on eureka, its gRPC port in metadata.gRPC_port.
>
> so i add it.
>
> now my grpc-transcode+eureka can work.
Welcome to contribute PR
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[GitHub] [apisix] tq0426w commented on issue #6740: grpc-transcode+eureka, return 502
Posted by GitBox <gi...@apache.org>.
tq0426w commented on issue #6740:
URL: https://github.com/apache/apisix/issues/6740#issuecomment-1085493845
i modify discovery/eureka/init.lua code.
i find init.lua get port from eureka by "port" or "securePort" field.
but when a gRPC server register on eureka, its gRPC port in metadata.gRPC_port.
so i add it.
now my grpc-transcode+eureka can work.
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[GitHub] [apisix] tzssangglass commented on issue #6740: grpc-transcode+eureka, return 502
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #6740:
URL: https://github.com/apache/apisix/issues/6740#issuecomment-1081831494
> upstream prematurely closed connection while reading response header from upstream
this is usually a problem with upstream connections.
> i'm not sure whether apisix can get right grpc port, because the port 58080 in "grpc://172.17.77.181:58080" is http protocol port.
It is likely that your upstream service is registered in eureka with the http port, so APISIX got the http port.
You can refer to this issue: https://github.com/apache/apisix/issues/5815 and this fix：https://github.com/apache/apisix/pull/5894, I think it's a similar problem.
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