Hey Ken,
One key point is that I think it's important to get this message out on
the user list as well as the dev list, indeed I suspect it's more
important. I know that you've mentioned to Justin for the announcement
mail, but this sort of thing is good to shout about from a few different
directions.
Frase
On 12/07/13 20:17, Ken Giusti wrote:
Folks,
I've made a change on trunk to the way the C++ Broker generates unsolicited
management update messages (i.e. object update notification messages and event
messages). [1]
Previous to this change, the broker would transmit two messages for each
management event and object update - one in the old QMFv1 binary format, and
one in the QMFv2 AMQP Map format. This change disables the send of the QMFv1
binary version of the message. The new broker default behavior is to send only
one message per event/update, in the QMFv2 map format.
The old behavior can be re-enabled, but must be done manually. This can be done either on the
qpidd command line by specifying "--mgmt-qmf1=yes", or in the configuration file
(mgmt-qmf1=yes). This command option has existed for a while now, I've simply changed the default
to "no".
And just to be clear, the remaining QMFv1 behavior has not changed: the broker
still supports QMFv1 style queries and method calls without requiring any
configuration changes.
I want this to go in for the 0.24 beta so we can get feedback sooner rather than later.
I'm hoping this acts as a "gentle nudge" that will uncover any QMFv1
dependencies before we attempt removing any of the QMFv1 stuff in future releases.
"What does this mean to me?"
1) If you use console.py (the python QMF console library under
extras/qmf/src/py/qmf/console.py), you'll want to upgrade to the latest version
to get the fix for this bug: https://issues.apache.org/jira/browse/QPID-4689
(the version in the 0.24 beta will contain this fix)
2) If you cannot upgrade console.py, or have other code which requires QMFv1
style updates, re-enable the old behavior as described previously
Justin - when beta is cut, we'll need to highlight this change and the above
notes in the announcement email.
This change also solves https://issues.apache.org/jira/browse/QPID-4907
[1] http://svn.apache.org/viewvc?view=revision&revision=1502642
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