Open Stack

I got same issues just now. Restarting keystone process could be
another workaround. But I still feel there'll be some other issues
inside.

On Fri, Sep 4, 2015 at 8:27 PM, Daniel Spiekermann
<daniel.spiekermann at studium.fernuni-hagen.de> wrote:
> Hi Boris
>>
>>> openstack user list
>>> ERROR: openstack Maximum lock attempts on
>>> _lockusertokens-041ce40b76cf4abb8fe64fae18d78403 occurred. (Disable debug
>>> mode to suppress these details.) (HTTP 500) (Request-ID:
>>> req-f92bb44e-ca46-4405-bc36-4305a8614c58)
>>
>> This has something to do with locks used for memcache token driver. I am not
>> sure what though.
>>
>> I suggest you to:
>> 1. Restart memcache on the machine
> I did this for more than 10 times, doesn’t matter
>> 2. If that won't help and you don't want to debug, use SQL as token driver
>> (set [token] driver = keystone.token.persistence.backends.sql.Token).
> That’s it, now it works fine
>> If you want to debug, try poking things in keystone/common/kvs/core.py.
> Well, at least my coding experience is too bad to debug seriously ;-)
>
> Thx for your help
>>
>>
>>> Thanks
>>> Daniel
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>>
>> --
>> С наилучшими пожеланиями,
>> Boris
>>
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>
>
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