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From "james strachan (JIRA)" <j...@activemq.org>
Subject [jira] Commented: (AMQ-641) JMS is a asynchronous interface ,blocking is not allow.
Date Fri, 17 Mar 2006 11:09:27 GMT
    [ http://jira.activemq.org/jira//browse/AMQ-641?page=comments#action_35779 ] 

james strachan commented on AMQ-641:
------------------------------------

OK I'm with you now - you are happy for the method to be synchronous - and when there is a
network problem you want it to fail with an exception right? Your issue appears to be that
the amount of time before a network error becomes apparent is too long right?

In that case - I'd take off the failover: prefix and just ensure that you set the TCP timeouts
 to something small enough so you get an error in whatever timeframe suits you.

http://activemq.org/TCP+Transport+Reference

if you try the latest SNAPSHOT build, we have a 'connectionTimeout' property that sets the
maximum amount of time you are prepared to wait before you declare a TCP socket connection
failed.

So try

tcp://localhost:61616?connectionTimeout=1000&soTimeout=1000

then you should get an error within a second of trying to connect/send if there is a network
error.

>  JMS is a asynchronous interface ,blocking is not allow.
> --------------------------------------------------------
>
>          Key: AMQ-641
>          URL: http://jira.activemq.org/jira//browse/AMQ-641
>      Project: ActiveMQ
>         Type: Bug

>   Components: JMS client, Connector
>     Versions: 3.2.2, 4.0 M4
>  Environment: winxp jdk1.4.2 jdk 1.5.6
>     Reporter: tao

>
>
> If I use failover:tcp//.... in the jms client,
> That all method will be blocked when net or activemq error.
> This  is not a good idea.My application will be blocked. 
> And If I use tcp//.... in the jms client,Sometimes ,send(message) method will be blocked,also
not return.
>  JMS is a asynchronous interface ,blocking is not allow at any condition.

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