[jira] [Commented] (QPID-7872) [Java Broker] [AMQP 1.0] Message expiry should be driven from ttl header only

["Lorenz Quack (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/QPID-7872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16103089#comment-16103089 ] 

Lorenz Quack commented on QPID-7872:
------------------------------------

From an IRC conversation between myself and [~rgodfrey] (with some slight editing for clarity):
{quote}
\[...\]
<lorenz> May I ask for some AMQP 1.0 clarification regarding TTL and absolute-expiry-time?
<lorenz> at first glance they seem to be completely redundant.
<lorenz> but I have come to the opinion that maybe they are not and that we should only delete a message if it TTLed but not act on reaching the absolute-expiry-time
<lorenz> can you shed some light on the intention here?
<rgodfrey> absolute expiry time is a property of the message and is in essence contractual (I am stating that after midnight on 31st Dec 2017 this message is no longer valid)
<rgodfrey> and is part of the signable bare message
<rgodfrey> ttl is a hint to intermediaries that they can discard the message if the ttl drops to zero or below
<rgodfrey> So the difference is really the audience
<rgodfrey> ttl is aimed at the infrastructure
<rgodfrey> absolute-expiry is aimed at the recipient
<rgodfrey> So I would agree with you that you should only delete based on ttl
<lorenz> so if we reach the absolute-expiry-time... should the broker discard the message? my opinion was "no". this is information for the receiving application
<rgodfrey> I would agree
{quote}

> [Java Broker] [AMQP 1.0] Message expiry should be driven from ttl header only
> -----------------------------------------------------------------------------
>
>                 Key: QPID-7872
>                 URL: https://issues.apache.org/jira/browse/QPID-7872
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>            Reporter: Alex Rudyy
>             Fix For: qpid-java-broker-7.0.0
>
>
> Java broker should only discard message with ttl header set if TTL expires including 0 values. Ensure TTL is adjusted before sending the message.



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