[jira] [Resolved] (TS-3901) Leaking connections from HttpSessionManager

["Susan Hinrichs (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-3901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Susan Hinrichs resolved TS-3901.
--------------------------------
    Resolution: Fixed

> Leaking connections from HttpSessionManager
> -------------------------------------------
>
>                 Key: TS-3901
>                 URL: https://issues.apache.org/jira/browse/TS-3901
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: HTTP
>            Reporter: Susan Hinrichs
>            Assignee: Susan Hinrichs
>              Labels: yahoo
>             Fix For: 6.1.0
>
>         Attachments: ts-3901.diff
>
>
> Observed in production.  Got the following warnings in diags.log
> "Connection leak from http keep-alive system"
> Our connections to origin would increase and the number of connections in CLOSE_WAIT were enormous.
> I think the issue was when the origin URL was http with default port.  That URL was remapped to https with default port.  The default port stored in HttpServerSession->server_ip was not updated.  
> When the connection was closed or timed out of the session pool, it would be looked up with port 443.   But the session was stored via the server_ip value with port 80 and would never match.
> Relatively small change in HTTPHdr::_file_target_cache. 
> Running the fix in production to verify early results.



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