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https://issues.apache.org/jira/browse/PROTON-40?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477220#comment-13477220
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Rafael H. Schloming commented on PROTON-40:
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We can add error detection for the case when a delivery is accessed after
settle is called.
> Batching of message IDs in Disposition frames not supported
> -----------------------------------------------------------
>
> Key: PROTON-40
> URL: https://issues.apache.org/jira/browse/PROTON-40
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Reporter: Ted Ross
> Priority: Minor
>
> If a proton client calls pn_disposition on more than one received delivery
> between the sending of disposition frames, the next disposition frame will
> reference only the first message in the batch.
> Ref: This code fragment from pn_post_disp which uses the same value for
> first and last id:
> return pn_post_frame(transport->disp, ssn_state->local_channel,
> "DL[oIIo?DL[]]", DISPOSITION,
> link->endpoint.type == RECEIVER, state->id,
> state->id,
> delivery->local_settled,
> (bool)code, code);
> The result of this is that dispositions for messages are lost and senders
> hang if there are credit windows of greater than one. It would be ok, but
> inefficient, to send multiple singleton dispositions. In fact, proton simply
> skips one or more disposition so the settlement of messages is incomplete.
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