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From "Christopher G. Stach II" <...@ldsys.net>
Subject Re: Ports internally used by active Mq
Date Tue, 01 May 2007 02:03:36 GMT
Christopher G. Stach II wrote:
> Suchitha Koneru (sukoneru) wrote:
>> Hello Active Mq Users , 
>>                       Our application currently uses active mq 4.0.1
>> version. We use an embedded broker  along with durable subscribers and
>> topic publishers. 
>>  
>> Active MQ also uses ports internally which are not configurable, these
>> ports are randomly allocated.
>>  
>>  For these ports ,Does active mq take into account  that if the port
>> which it needs to use is already occupied , will it try allocating  a
>> different port ?
>>  
>> Please let me know, we need this information  because when our
>> application is on the production machine , we do not have a control as
>> to which ports are available.
>>  
>>  
>>  
>> thanks,
>> Suchitha
>>  
>>
> 
> If you're talking about random local ports like the ones used for JMX
> (RMI), the OS selects them.  You can't bind two sockets to the same
> address-port pair.  If it was the case that something didn't check if a
> port was already in use, and it was, it wouldn't even work.
> 

Nerd disclaimer: It's sometimes possible. :)

-- 
Christopher G. Stach II


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