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https://issues.apache.org/jira/browse/PROTON-1091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Ross updated PROTON-1091:
--------------------------------
    Fix Version/s:     (was: 0.18.0)
                   0.19.0

> [Python binding] AMQP null type not sent on wire according to AMQP 
> specification
> --------------------------------------------------------------------------------
>
>                 Key: PROTON-1091
>                 URL: https://issues.apache.org/jira/browse/PROTON-1091
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: python-binding
>            Reporter: Kim van der Riet
>            Assignee: Kim van der Riet
>             Fix For: 0.19.0
>
>
> When sending AMQP type null as the content of a message, the Python binding 
> sends the message with no body at all, and similarly interprets a no-body 
> AMQP type message as a null type. This violates the AMQP 1.0 specification on 
> two counts:
> * A body MUST be present and be one of three types (section 3.2);
> * When sending an AMQP null type, there is an assigned AMQP type code (0x40) 
> which should be used.
> This causes interoperability issues with other clients. For example,  the C++ 
> client can't send a null type to a python client without a failure (or _visa 
> versa_).



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