[jira] [Resolved] (AXIS2C-1568) In keep alive mode, client reuses a connection even if the connection has already closed.

["Robert Lazarski (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AXIS2C-1568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Lazarski resolved AXIS2C-1568.
-------------------------------------
    Fix Version/s: 2.0.0
                       (was: 1.7.0)
       Resolution: Fixed

Implement automatic reconnection when keep-alive connections timeout.
    When a server closes an idle keep-alive connection, the client now:
    1. Detects the timeout (status code -2)
    2. Removes the stale connection from the pool
    3. Retries with a new connection (max 1 retry)
    
    Changes:
    - http_client.c: Return AXIS2_HTTP_CLIENT_STATUS_TIMEOUT (-2) for timeouts
      instead of generic -1 error, enabling retry logic
    - http_sender.c: Add keepalive_timeout_retries counter and retry logic
      that removes stale connections and retries on timeout
    - axis2_http_transport.h: Define AXIS2_HTTP_CLIENT_STATUS_TIMEOUT (-2)
      and AXIS2_HTTP_CLIENT_STATUS_ERROR (-1) constants
    - axis2_http_sender.h: Add axis2_http_sender_set_so_timeout() and
      axis2_http_sender_get_so_timeout() functions
    
    The -2 status code is now documented:
    - -1 = General error (AXIS2_HTTP_CLIENT_STATUS_ERROR)
    - -2 = Connection timeout (AXIS2_HTTP_CLIENT_STATUS_TIMEOUT

> In keep alive mode, client reuses a connection even if the connection has already closed.
> -----------------------------------------------------------------------------------------
>
>                 Key: AXIS2C-1568
>                 URL: https://issues.apache.org/jira/browse/AXIS2C-1568
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: transport/http
>    Affects Versions: 1.7.0
>         Environment: no libcurl
>            Reporter: Akira Suzuki
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> In keep alive mode, client keeps and reuses connection.
> If client reuses it in short time, it works fine. If not, server may close the connection because of timeout and it causes an error on client side when client try to reuse the connection.



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