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From "Gordon Sim (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (QPID-4583) python-qpid limits map element size to 65535 bytes
Date Fri, 15 Feb 2013 14:03:16 GMT

     [ https://issues.apache.org/jira/browse/QPID-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Gordon Sim reassigned QPID-4583:

    Assignee: Gordon Sim
> python-qpid limits map element size to 65535 bytes
> --------------------------------------------------
>                 Key: QPID-4583
>                 URL: https://issues.apache.org/jira/browse/QPID-4583
>             Project: Qpid
>          Issue Type: Bug
>          Components: Python Client
>    Affects Versions: 0.20
>         Environment: Tested on Fedora 17, python-qpid-0.20-1.fc17.noarch
>            Reporter: Steven Hardy
>            Assignee: Gordon Sim
> It seems that we hit a limit of 65535 bytes when encoding a map via python-qpid, because
the map elements are encoded as a str16 (write_map in codec010.py)
> Looking at the amqp 0-10 spec, it says "An encoded map may contain up to (4294967295
- 4) octets worth of encoded entries.", and I don't see any specified limit for individual
map elements.  This limitation does not appear to exist when testing on rabbitmq, so I'm wondering
if it's possible to work out a way to remove this limit when using qpid.
> Reproducer:
> git clone https://gist.github.com/hardys/4951857
> cd 4951857
> python reproducer.py

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