The code is in oslo-incubator but does need to be synced across to Nova,
so think we should keep a Nova task open
** Tags added: grizzly-backport-potential
** Changed in: oslo
Importance: Undecided => Critical
** Changed in: nova
Status: Invalid => Triaged
** Changed in: nova
Importance: Undecided => Critical
** Also affects: nova/grizzly
Importance: Undecided
Status: New
** Changed in: nova/grizzly
Status: New => Triaged
** Changed in: nova/grizzly
Importance: Undecided => Critical
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You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1175808
Title:
Qpid cannot serialize objects containing strings longer than 65535
characters
Status in OpenStack Compute (Nova):
Triaged
Status in OpenStack Compute (nova) grizzly series:
Triaged
Status in Oslo - a Library of Common OpenStack Code:
In Progress
Bug description:
Qpid has a limitation where it cannot serialize a Python dict
containing a string longer than 65535 characters. This can result in
problems when making a conductor call that returns a large structure -
for example, instance_get_all_by_host on one of my systems returns 38
instances, which when serialized as JSON is too long for Qpid to
handle.
There's a discussion of the limitation here:
https://issues.apache.org/jira/browse/QPID-4583
I believe the best fix here is to wrap the string in a buffer as
suggested in the link above. This works fine on my local system and
seems to fix the problem (note: I haven't tested against RabbitMQ yet,
and right now I put the change in common code so that will need to be
done). However, that will be a backward compatibility breaking change
because it will need to be handled differently on the receiving end as
well.
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