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Subject: [OASIS Issue Tracker] (AMQP-130) Clarify Transfer message-format field description
[ https://issues.oasis-open.org/browse/AMQP-130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=67544#comment-67544 ] Lorenz Quack commented on AMQP-130: ----------------------------------- Thanks for the explanation. The original description of the issue remains valid. Rob, I think your rewording would be more clear than the current wording in the spec. However, the error handling is still unspecified. I see that it cannot specify that the message should be rejected because the outcome is in a higher layer of the spec and reject might not be a supported outcome. I would like to put forward two possible options: A) Close the link with a precondition-failed error B) Close the connection with a framing-error I guess the error behaviour should be the same as on other mandatory-only-on-first-transfer fields like delivery-id/\-tag (where the error is also not specified: AMQP-128) > Clarify Transfer message-format field description > ------------------------------------------------- > > Key: AMQP-130 > URL: https://issues.oasis-open.org/browse/AMQP-130 > Project: OASIS Advanced Message Queuing Protocol (AMQP) TC > Issue Type: Improvement > Components: Transport > Reporter: Lorenz Quack > Labels: Clarification > > The AMQP specification states in section 2.7.5 [1] about the message-format field of the Transfer performative: > This field MUST be specified for the first transfer of a multi-transfer message and can only be omitted for continuation transfers. It is an error if the message-format on a continuation transfer differs from the message-format on the first transfer of a delivery. > There are two things I would like the specification to be more explicit about: > * Whether the field is required on single transfer deliveries (see also AMQP-128). > * How to handle the error condition. Do we reject the message? Detach the Link? End the Session? Close the Connection? What ErrorCondition should be used? > [1] http://docs.oasis-open.org/amqp/core/v1.0/os/amqp-core-transport-v1.0-os.html#type-transfer -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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