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https://issues.apache.org/jira/browse/PROTON-2186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17079385#comment-17079385
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Fernando Giorgetti commented on PROTON-2186:
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[~jdanek] These are proton frames, collected from a python sender application.
This particular sender runs on Fedora using
python3-qpid-proton-0.29.0-1.fc31.x86_64.
Router version is latest downstream (1.7 GA).
The issue occurs when running a scenario on Openshift with 8 routers in the
network
with 6 senders and 6 receivers connected and exchanging large messages (500kb).
It does not happen all the time, but happens most of the times. There is a test
suite and
I have logs collected from past test executions (last month).
The concern we have is if the client is supposed to expect 2 on_release events
for the same
delivery, because of the settlement change. At the moment we have added a
workaround of
tracking the released ids and ignoring duplicated ones, but it is not clear for
us whether this
is an issue or an expected behavior.
> On released callback invoked twice for same delivery tag
> --------------------------------------------------------
>
> Key: PROTON-2186
> URL: https://issues.apache.org/jira/browse/PROTON-2186
> Project: Qpid Proton
> Issue Type: Bug
> Components: python-binding
> Reporter: Fernando Giorgetti
> Priority: Major
>
> In a python client application, that is connected to a dispatch router, I
> have observed that the on_released callback was invoked twice for the same
> delivery tag.
> Here are the disposition frames I was able to capture for the respective
> delivery:
> {noformat}
> [0x562a0083ed80]:0 <- @disposition(21) [role=true, first=981,
> state=@released(38) []]
> [0x562a0083ed80]:0 <- @disposition(21) [role=true, first=981, last=982,
> settled=true, state=@released(38) []]{noformat}
> The delivery tag 981 came first without the settlement and next with the
> settled as true. And the on_released was called twice for the 981 delivery
> tag.
>
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