[SR-Users] ndb_redis set <null> reply to EXISTS query

Yuriy Gorlichenko ovoshlook at gmail.com
Fri Mar 6 08:04:46 CET 2015


Hello All. I still have problems with disconnect kamailio to redis.

All tests above  are correct but when INVITE arrives kamailio stil
disconnects from redis.  Haw can I debug this deeper?

2015-02-27 16:48 GMT+03:00 Javi Gallart <jgallart at systemonenoc.com>:

>  Hello
>
> I ignore your setup, a few tips that can help you to narrow down the
> problem:
>
> -Make sure your kamailio is connected to redis: 'redis-cli info | grep
> connected_clients' should show a number bigger than the number of kamailio
> children
>
> -Print with xlog the value of $si before calling redis_cmd
>
> -At the redis prompt (redis-cli) type the command EXISTS x, with x being
> the value of $si. If that gives you a 1 it means that the key exists,
> otherwise you need to create it.
>
> -Pritn the values of $redis(s=>type), $redis(s=>value) after calling
> redis_cmd
>
> -With redis-cli monitor you are goign to see all the commands sent to redis
>
> Javi
>
> On 27/02/15 14:30, Yuriy Gorlichenko wrote:
>
> What type of info can I provide for deeper analys of this situation?
>
> 2015-02-27 14:34 GMT+03:00 Javi Gallart <jgallart at systemonenoc.com>:
>
>>  Hello
>> On 27/02/15 11:58, Yuriy Gorlichenko wrote:
>>
>> at the monitor I see nothing about this request
>>
>>  It's difficult to say without further information, but for some reason
>> your command is not hitting redis, probably because the connection is down.
>>
>> Javi
>>
>>
>> 2015-02-27 13:21 GMT+03:00 Yuriy Gorlichenko <ovoshlook at gmail.com>:
>>
>>> Now I see that null values recieved after I see this at kamailio log
>>>
>>> redisc_exec(): Redis error: Server closed the connection
>>>
>>>
>>> 2015-02-27 12:45 GMT+03:00 Javi Gallart <jgallart at systemonenoc.com>:
>>>
>>>>  Hello,
>>>> check out http://redis.io/commands/monitor
>>>> It will help you to determine the exact command that kamailio is
>>>> delivering to the server when you execute the redis_cmd(...) function
>>>> inside the script.
>>>> For a non null reply, yo will need a key in redis with the same value
>>>> as $si.
>>>>
>>>> Javi
>>>>
>>>> On 27/02/15 10:04, Yuriy Gorlichenko wrote:
>>>>
>>>> I will try. I new at redis. Does cli monitor get resul of kamailio
>>>> request at the cli?
>>>>
>>>> 2015-02-27 11:38 GMT+03:00 Javi Gallart <jgallart at systemonenoc.com>:
>>>>
>>>>>  Hello
>>>>>
>>>>> can you check with "redis-cli monitor" what is the command sent to
>>>>> Redis in that case?
>>>>>
>>>>> Javi
>>>>> On 27/02/15 09:15, Yuriy Gorlichenko wrote:
>>>>>
>>>>>  Hello I try to get some replies from redis. Time after time redis
>>>>> request give me null result. But redis bs not disconnected.
>>>>>
>>>>> This happens only with websocket endpoints. My queries is:
>>>>>
>>>>> redis_cmd("srv1", "EXISTS $si", "s");
>>>>>
>>>>> So at xLOG i see that $si correctly sended, but result is null. At db
>>>>> I keep key IP with value TIMESTAMP
>>>>>
>>>>> Intresting that route, that givesme this result idependend of WS or
>>>>> UDP endpoint. IT does not know about it anything.
>>>>>
>>>>>
>>>>>   _______________________________________________
>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>>> sr-users at lists.sip-router.org
>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>> sr-users at lists.sip-router.org
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>>>>
>>>
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
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>>
>>
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>> sr-users at lists.sip-router.org
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>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
>
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