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VHOST HTTP 503 Troubleshooting

Justin Lee edited this page Jan 26, 2018 · 3 revisions

When using Marathon-LB with a HAPROXY_{n}_VHOST field, then the rough operation of Marathon-LB is as follows:

  • Marathon-LB creates a file called /marathon-lb/domain2backend.map inside the container, containing a mapping of hostnames to backends. You can see this by navigating to your public agent IP address, with URI http://<public-agent-ip>:9090/_haproxy_getvhostmap.

  • When Marathon-LB receives an HTTP request on either port 80 or

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