[jboss-jira] [JBoss JIRA] (WFWIP-81) MP Health reports UP when there is port collision for port 8080

[Jeff Mesnil (JIRA)]

    [ https://issues.jboss.org/browse/WFWIP-81?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13615688#comment-13615688 ] 

Jeff Mesnil commented on WFWIP-81:
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For first iteration, I would suggest we only deal with deployment probes. So, yes the MP Health will (falsely) report UP when the server is not booting.
That's acceptable as our OpenShift probe has another way to check server status boot.

However this is an enhancement that can be made in a future iteration by adding a server probe that will report DOWN according to the server status.

> MP Health reports UP when there is port collision for port 8080
> ---------------------------------------------------------------
>
>                 Key: WFWIP-81
>                 URL: https://issues.jboss.org/browse/WFWIP-81
>             Project: WildFly WIP
>          Issue Type: Bug
>          Components: MP Health
>            Reporter: Rostislav Svoboda
>            Assignee: Jeff Mesnil
>            Priority: Critical
>
> MP Health reports UP when there is port collision for port 8080.
> I have simple python app to acquire port 8080 and once it runs I start WF server
> {code}
> import SimpleHTTPServer
> import SocketServer
> PORT = 8080
> Handler = SimpleHTTPServer.SimpleHTTPRequestHandler
> httpd = SocketServer.TCPServer(("127.0.0.1", PORT), Handler)
> print "serving at port", PORT
> httpd.serve_forever()
> {code}
> WF reports Address already in use /127.0.0.1:8080, deployments are not deployed.
> Accessing http://localhost:9990/health/ reports "outcome":"UP"
> I think this is wrong and DOWN should be reported.
> Spec is misleading because it says {{A producer without health check procedures installed MUST returns positive overall outcome (i.e. HTTP 200)}} but it silently assumes server started correctly.
> I believe authors of the spec expected that if there is some trouble like port collision the server doesn't start, WildFly is a bit further as it allows to boot even if some services are not started properly.



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