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Bug
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Resolution: Fixed
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Major
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None
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3.1.5.1
I have the docker daemon running behind an nginx proxy for access control. A recent update broke the setup, which was working before. tcpdump'ing a bit shows that docker-plugin sends an empty "host: " header.
Nginx has not been updated, so this seems to be a change in docker-plugin (or Jenkins?).
We send:
GET /containers/json HTTP/1.1
host:
connection: keep-alive
accept-encoding: gzip
accept: application/json
Nginx responds:
HTTP/1.1 400 Bad Request
Server: nginx/1.10.3
Date: Fri, 12 Jan 2018 14:05:00 GMT
Content-Type: text/html
Content-Length: 173
Connection: close<html>
<head><title>400 Bad Request</title></head>
<body bgcolor="white">
<center><h1>400 Bad Request</h1></center>
<hr><center>nginx/1.10.3</center>
</body>
</html>
This matches what I get when I press the "Test Connection" button.
Used versions:
docker-java-api 3.0.14
docker-plugin 1.1.2
jenkins 2.101
