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 <jgall...@systemonenoc.com <mailto:jgall...@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 <ovoshl...@gmail.com
    <mailto:ovoshl...@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
        <jgall...@systemonenoc.com <mailto:jgall...@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
            <jgall...@systemonenoc.com
            <mailto:jgall...@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.


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