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From Jeremy Jongsma <jer...@barchart.com>
Subject Re: Authentication exception
Date Tue, 29 Jul 2014 14:48:11 GMT
This is still happening to me; is there anything else I can check? All
nodes have NTP installed, all are in sync, all have open communication to
each other. But usually first thing in the morning, I get this auth
exception. A little while later, it starts working. I'm very puzzled.


On Tue, Jul 22, 2014 at 8:53 AM, Jeremy Jongsma <jeremy@barchart.com> wrote:

> Verified all clocks are in sync.
>
>
> On Mon, Jul 21, 2014 at 10:03 PM, Rahul Menon <rahul@apigee.com> wrote:
>
>> I could you perhaps check your ntp?
>>
>>
>> On Tue, Jul 22, 2014 at 3:35 AM, Jeremy Jongsma <jeremy@barchart.com>
>> wrote:
>>
>>> I routinely get this exception from cqlsh on one of my clusters:
>>>
>>> cql.cassandra.ttypes.AuthenticationException:
>>> AuthenticationException(why='org.apache.cassandra.exceptions.ReadTimeoutException:
>>> Operation timed out - received only 2 responses.')
>>>
>>> The system_auth keyspace is set to replicate X times given X nodes in
>>> each datacenter, and at the time of the exception all nodes are reporting
>>> as online and healthy. After a short period (i.e. 30 minutes), it will let
>>> me in again.
>>>
>>> What could be the cause of this?
>>>
>>
>>
>

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