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From "Bryan Pon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HTTPCORE-246) ThrottlingHttpClientHandler triggers EventListener.connectionClosed twice
Date Thu, 09 Dec 2010 23:57:01 GMT

     [ https://issues.apache.org/jira/browse/HTTPCORE-246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Pon updated HTTPCORE-246:
-------------------------------

    Component/s: HttpCore NIO

> ThrottlingHttpClientHandler triggers EventListener.connectionClosed twice
> -------------------------------------------------------------------------
>
>                 Key: HTTPCORE-246
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-246
>             Project: HttpComponents HttpCore
>          Issue Type: Bug
>          Components: HttpCore NIO
>    Affects Versions: 4.1
>         Environment: Linux 2.6.32-26-generic #47-Ubuntu
>            Reporter: Bryan Pon
>            Priority: Minor
>
> In ThrottlingHttpClientHandler.closed(NHttpClientConnection), connectionClosed() is called
twice on the event listener:
>         if (this.eventListener != null) {
>             this.eventListener.connectionClosed(conn);
>         }
>         this.execHandler.finalizeContext(context);
>         if (this.eventListener != null) {
>             this.eventListener.connectionClosed(conn);
>         }
> I'm not sure if this is intentional (looks unlikely), but I have a use case where this
causes problems.  I want to start a new connection whenever one is closed, so in the EventListener.connectionClosed()
method I am invoking ConnectingIOReactor.connect().  Since connectionClosed() is triggered
twice, this is opening two new connections.  I can work around the issue by checking if connectionClosed()
has already been called.

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