[openstack-dev] [nova] massive number of new errors in logs with oslo.messaging

Boris Pavlovic boris at pavlovic.me
Tue Feb 4 19:44:04 UTC 2014


Monty,

One of the bugs that can produce random issues=)

https://github.com/openstack/oslo.messaging/blob/master/oslo/messaging/_drivers/impl_rabbit.py#L548


Best regards,
Boris Pavlovic



On Tue, Feb 4, 2014 at 11:05 PM, Andrew Laski <andrew.laski at rackspace.com>wrote:

> On 02/04/14 at 10:39am, Dan Smith wrote:
>
>> The inner exception is a thing and the outer pieces are a thing. The
>>> inner means that some instance update was attempted, but should be
>>> aborted if the instance state is not what we think it is.
>>>
>>
>> And looking a little closer, I think it means that the
>> messaging.expected_exceptions decorator isn't doing the right thing in
>> that case. That sort of exception should be passed back to the client
>> without verbose logging since it's an "okay thing to happen" in that
>> case. It was working before the oslo.messaging change, but I think
>> something is making it not properly exclude the UnexpectedTaskState
>> exception...
>>
>
> It's not the UnexpectedTaskState exception that it's missing, it's
> UnexpectedDeletingTaskState which is a subclass of UnexpectedTaskState.
>  Doug Hellmann posted a fix for that at https://review.openstack.org/#
> /c/71035 .
>
>
>
>
>> https://github.com/openstack/nova/blob/master/nova/
>> conductor/manager.py#L113
>>
>> --Dan
>>
>>
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