QServer session ends and restart

[Mumuney Abdlquadri]

Hello Guys,

Please I want to have better a understanding of the logs below. Also how can I make it never happen.

I have made this config on the Channel:

<property name="connection-timeout" value="15000" />
<property name="timeout" value="360000"/>
<property name="keep-alive" value="true" />

I want to understand what the timeout property there does so I can find a way to eliminate this server restart.

Thanks.


<log realm="channel/172.25.23.3:21388" at="2017-08-14T10:52:47.379" lifespan="360022ms">
  <receive>
    <io-timeout/>
  </receive>
</log>
<log realm="isec-fep-on-us-server.server.session/172.25.23.3:21388" at="2017-08-14T10:52:47.380">
  <session-end/>
</log>
<log realm="channel/172.25.23.3:21389" at="2017-08-14T10:52:47.645" lifespan="360037ms">
  <receive>
    <io-timeout/>
  </receive>
</log>
<log realm="isec-fep-on-us-server-2.server.session/172.25.23.3:21389" at="2017-08-14T10:52:47.646">
  <session-end/>
</log>
<log realm="isec-fep-on-us-server.server.session/172.25.23.3:22479" at="2017-08-14T10:52:52.392">
  <session-start/>
</log>
<log realm="isec-fep-on-us-server-2.server.session/172.25.23.3:22480" at="2017-08-14T10:52:52.658">
  <session-start/>
</log>

[Alejandro Revilla]

You have configured your channel to timeout if there's no traffic in 360 seconds, and that's why you see that timeout message, which is totally OK to happen.

If you want to avoid it, you need to send network management messages (i.e. 800s) before the timeout expires (i.e. every 5 minutes).

Here is a blog post about it: http://jpos.org/blog/2014/04/you-want-a-timeout/

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@apr

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[Mumuney Abdlquadri]

Thanks Alenjandro,

I will try that and get back.

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[Mumuney Abdlquadri]

Hi Alenjandro,

We have created a client that sends echo messages to the server every 5seconds. The frequency of the timeout reduced but we still a few of it.

Please can we configure the channel not to timeout at all.

That's the request of the client.

Thanks.

[Andrés Alcarraz]

Hi Mumuney, you just need to remove the timeout property, that is not recomended though, as it says in the post linked by Alejandro you could end having channels that appear connected but they aren't and they could  eventually exaust the sessions configured for the server, besides the fact that they would be consuming resources.

If you could convince your client that this is a feature, not a bug would be better, else you can just not use the timout property.

Best regards

Andrés

El 16/08/17 a las 10:03, 'Mumuney Abdlquadri' via jPOS Users escribió:

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[Alejandro Revilla]

Are you getting responses to those 0800s?

(5 seconds looks like overkill to me)

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[Andrés Alcarraz]

El 16/08/17 a las 12:38, Alejandro Revilla escribió:

Are you getting responses to those 0800s?

(5 seconds looks like overkill to me)

Haha, my brain automatically replaced seconds fot minutes :P, then maybe the problem probably is that not every client is sending the echoes.

Mumuney, remember that the timeout is connection specific, so if one client is connected and not sending 0800s then those clients would be still getting disconnected for timeouts.

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[Mumuney Abdlquadri]

Hi Alejandro,

Yes I am getting responses to the echo.

Hi Andres,

You point is exactly what I pointed out to the client.

Lets hope they listen if not, I will remove the timeout and let them face the consequences.

Thanks.

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