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From Joe Fernandez <joe.fernan...@ttmsolutions.com>
Subject Re: How to recover active connection if it is down when using spring?
Date Fri, 15 Aug 2008 02:57:51 GMT



Hiram Chirino wrote:
> 
> On Thu, Aug 14, 2008 at 2:28 PM, Joe Fernandez
> <joe.fernandez@ttmsolutions.com> wrote:
>>
>> If for example you start() a connection with 'failover' and you set
>> maxReconnectAttempts to 2, start() throws an exception after 2 reconnect
>> attempts. That's fine. However, if you then go back and issue the start()
>> again on the same connection, the 2 reconnect attempts will no longer be
>> attempted. The reconnect functionality for that connection is now fubar.
>>
> 
>>I see you want the method to error out on timeout but you want the
>>next method call to attempt to re-establish the connection.  I'll have
>>to thing about how to implement this.
> 
> If you're using failover and start() throws an exception, because it
> reached its max re-connect attempts, then you should be able to invoke it
> again and have it go back through its re-connect process. Right? 
> 
>> I tried calling connection.cleanup() prior to the second start(), because
>> according to this method's comments, calling cleanup() should bring the
>> connection back to a state "as if the connection was just created". This
>> does not help.
>>
> 
>>That's more for the internal jms connection state.. it does not reset
>>the transport which is what is needed.
> 
> Cool. That is what I suspected and thanks for confirming. 
> 
>> Should a JIRA be opened for this?
> 
>>What would be cool is a patch implementing your requested change.
> 
> 
> 
>>
>> Joe
>> http://www.ttmsolutions.com
>>
>>
>>
>> Hiram Chirino wrote:
>>>
>>> Not sure I understand?  So on failure you want to auto reconnect but
>>> you don't want to block until the reconnection happens?  Not this is
>>> possible when connecting to a remote broker.
>>>
>>> Perhaps your best bet is to use an embedded broker so that way you
>>> never have broker failure.  All your operations never block and you
>>> just configure the embedded broker to network with the remote brokers
>>> so that messages get forwarded when they come back online.
>>>
>>>
>>> On Mon, Aug 11, 2008 at 11:40 PM, Wing <honwingwing@hotmail.com> wrote:
>>>>
>>>> I am using spring for activemq connection, I would like to
>>>> reconnect/recover
>>>> the broker connection if the broker is down. I know we can use
>>>> failover:
>>>> in
>>>> the url, but it will cause the tomcat to be held until it can connect
>>>> to
>>>> the
>>>> broker.
>>>> If I set the retry limit in the url, it will not auto reconnect anymore
>>>> afterwards.
>>>>
>>>> Any other way to do recovery except configurating the failover url?
>>>>
>>>> I am using org.apache.activemq.pool.PooledConnectionFactory
>>>>
>>>> Thanks.
>>>> --
>>>> View this message in context:
>>>> http://www.nabble.com/How-to-recover-active-connection-if-it-is-down-when-using-spring--tp18937550p18937550.html
>>>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Regards,
>>> Hiram
>>>
>>> Blog: http://hiramchirino.com
>>>
>>> Open Source SOA
>>> http://open.iona.com
>>>
>>>
>>
>> --
>> View this message in context:
>> http://www.nabble.com/How-to-recover-active-connection-if-it-is-down-when-using-spring--tp18937550p18987040.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
>>
> 
> 
> 
> -- 
> Regards,
> Hiram
> 
> Blog: http://hiramchirino.com
> 
> Open Source SOA
> http://open.iona.com
> 
> 

-- 
View this message in context: http://www.nabble.com/How-to-recover-active-connection-if-it-is-down-when-using-spring--tp18937550p18993008.html
Sent from the ActiveMQ - User mailing list archive at Nabble.com.


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