oslo.messaging/releasenotes/notes/bump-amqp-version-due-to-tls-issue-e877b152eb101c15.yaml
mb 64f74cd2cc Bump amqp requirement version to >=2.4.1
Bumping the version of amqp in requirements.txt and
lower-constraints.txt from 2.4.0 to 2.4.1 to mitigate issues with
MessagingTimeouts when using TLS due to a amqp bug that was fixed in
2.4.1

Change-Id: I0b094f32dec24c70f95ccd509164a14a71fcfc7d
Closes-Bug: #1800957
2019-02-18 18:29:26 +01:00

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---
critical:
- |
In combination with amqp<=2.4.0, ``oslo.messaging`` was unreliable
when configured with TLS (as is generally recommended). Users would
see frequent errors such as this::
MessagingTimeout: Timed out waiting for a reply to message ID ae039d1695984addbfaaef032ce4fda3
Such issues would typically lead to downstream service timeouts,
with no recourse available other than disabling TLS altogether
(see `bug 1800957
<https://bugs.launchpad.net/oslo.messaging/+bug/1800957>`_).
The underlying issue is fixed in amqp version 2.4.1, which is now
the minimum version that ``oslo.messaging`` requires.