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From "Paul Gale (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-4674) ActiveMQ 5.x does not support the notion of a grace-period for heart beats as supported by the STOMP protocol
Date Wed, 07 Aug 2013 20:49:47 GMT

     [ https://issues.apache.org/jira/browse/AMQ-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Gale updated AMQ-4674:
---------------------------

    Issue Type: Bug  (was: New Feature)
    
> ActiveMQ 5.x does not support the notion of a grace-period for heart beats as supported
by the STOMP protocol
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-4674
>                 URL: https://issues.apache.org/jira/browse/AMQ-4674
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.8.0
>            Reporter: Paul Gale
>              Labels: easyfix
>             Fix For: NEEDS_REVIEWED
>
>
> Regarding the configuration of heart beating the STOMP protocol spec states:
>     "- because of timing inaccuracies, the receiver SHOULD be tolerant and take into
account an error margin"
> However, it appears that ActiveMQ 5.x is not tolerant of any error margin. 
> Despite the fact that the spec says SHOULD rather than MUST it would make the implementation
of STOMP clients easier if the error margin was published.
> Apparently Apollo supports an error margin of 1.5x the configured heart beat. If it could
be made configurable that would be even better! 

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