'Docker issue during gatling performance test
I have a spring boot application, and I run a performance test on it, using Gatling.
The issue is that after a few requests where everything works OK, the server returns connection refused and no other requests are working.
Gatling log looks like this:
---- Requests ------------------------------------------------------------------
> Global (OK=14 KO=1001 )
> POST /template (OK=13 KO=938 )
> PUT /feedback (OK=1 KO=63 )
---- Errors --------------------------------------------------------------------
> j.n.ConnectException: Connection refused: no further informati 577 (57,64%)
on
> j.i.IOException: Premature close 240 (23,98%)
> j.n.c.ClosedChannelException 184 (18,38%)
When I create a manual request using curl, returns:
$ curl https://localhost:8087
curl: (7) Failed to connect to localhost port 8087: Connection refused
If I connect to docker and do the request:
$ docker exec -it web /bin/bash
root@794f9e808f14:/# curl https://localhost:8443
curl: (60) SSL certificate problem: unable to get local issuer certificate
More details here: https://curl.se/docs/sslcerts.html
SSL handshake failed, as expected, but this means that the server is up an running.
The port is mapped in docker:
$ docker port web
8443/tcp -> 0.0.0.0:8087
8443/tcp -> :::8087
After restart, all thing happen again.
I'm using docker on a WSL Ubuntu. Not sure if this matters too much. What can I do to make this connection more stable?
Sources
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Source: Stack Overflow
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