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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQCPP-168) Create a connection can block for up to 4 mins under Linux when TCP socket connect() times out
Date Fri, 15 Feb 2008 00:31:35 GMT

    [ https://issues.apache.org/activemq/browse/AMQCPP-168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=41306#action_41306
] 

Timothy Bish commented on AMQCPP-168:
-------------------------------------

Any patch you submit will need to be done against trunk which uses APR for its sockets via
the decaf library.  You are welcome to come up with a fix that fits that structure and submit
it for review.

> Create a connection can block for up to 4 mins under Linux when TCP socket connect()
times out
> ----------------------------------------------------------------------------------------------
>
>                 Key: AMQCPP-168
>                 URL: https://issues.apache.org/activemq/browse/AMQCPP-168
>             Project: ActiveMQ C++ Client
>          Issue Type: Improvement
>          Components: CMS Impl
>    Affects Versions: 2.1.3
>         Environment: CentOS 4
>            Reporter: Olivier Langlois
>            Assignee: Nathan Mittler
>   Original Estimate: 4 hours
>  Remaining Estimate: 4 hours
>
> With the following code:
> 	{
> 		// Create a ConnectionFactory
> 		std::auto_ptr<cms::ConnectionFactory> pConnectionFactory(
> 			cms::ConnectionFactory::createCMSConnectionFactory( uri ) );
> 		m_pConnection.reset(pConnectionFactory->createConnection());
> 		m_pConnection->start();
> 	}
> The call to createConnection() will block for up to 4 mins if the URI is a TCP address
pointing to an unreachable host.
> In my application, the time out interval is way too long. I would like to have it set
to around 5 sec to 10 seconds.
> I could take care of the fix if you want as all that would be needed is make the socket
non blocking only for the connect() call and manage the time out with a select(). The only
indication I would need is how you ActiveMQ cms architects/designers would like the timeout
specified to the API.
> Using a new property (ie: "connect-timeout")
> hardcoding a small timeout value in TcpSocket
> etc...

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