Andrew Stitcher created PROTON-2913:
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Summary: pn_message_encode will create an illegal AMQP message if
there is no message body
Key: PROTON-2913
URL: https://issues.apache.org/jira/browse/PROTON-2913
Project: Qpid Proton
Issue Type: Bug
Components: proton-c
Affects Versions: proton-c-0.40.0
Reporter: Andrew Stitcher
Assignee: Andrew Stitcher
If {{pn_message_encode()}} is called but no body has been set it will encode a
message with no section for the body. This is not a legal AMQP message as they
must contain one (or potentially more) of the valid message body types.
There are 2 potential directions for fixes: either make this an error and
return an error code and do nothing, or encode a valid body.
Since this bug has been around since the beginning of proton, it is possible
that there is code out there that will not take well to receiving an error code
in this circumstance even if it is bad code generating and illegal AMQP frame!
So I think it's best to generate an AMQP null value as the body in this case.
This is a valid AMQP message and will treated as None or null by the various
language decoders out there.
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