B4J Question jRDC query database from inside jRDC

Drago Bratko · Nov 30, 2021

I'm trying to query by database from inside jRDC application.
I have also add DBRequestManager to jRDC project.
rdcLink is pointing to : "http://127.0.0.1:17178/rdc"
When I try to ExecuteQuery I get read timeout (java.net.SocketTimeoutException: Read timed out).

Should that work or I'm trying to do something forbiden?

aeric · Nov 30, 2021

Are you connecting to correct database name?

Drago Bratko · Nov 30, 2021

aeric said:
Are you connecting to correct database name?

Yes.
When I consume jRDC from outside application, all works fine.
But When I try to do it inside jRDC application, then I receive that timeout.

aeric · Nov 30, 2021

What do you mean by outside and inside the application?

Drago Bratko · Nov 30, 2021

aeric said:
What do you mean by outside and inside the application?

Thank you for your time. It means that inside jRDC I have implemented client part which is consuming that same jRDC.

BTW, I have checked it on other computer, and there it works fine. So it's something related to that specific computer. I have disable firewall just to exclude that, but didn't help.
Anyhow, problem is not in application itself. When I figure it out what is the problem, I will post it here.

aeric · Nov 30, 2021

You mean you implement jRDC server and client inside the same jar?
Why you want to do in such way?

Drago Bratko · Nov 30, 2021

aeric said:
You mean you implement jRDC server and client inside the same jar?
Why you want to do in such way?

Well, 99% of requests goes from clients.
This 1% goes from itself as for that specific function data from database is needed and result of that operations is content which is then server by jRDC web server part (let's say some kind of scheduler on server side).

aeric · Dec 1, 2021

Drago Bratko said:
Well, 99% of requests goes from clients.
This 1% goes from itself as for that specific function data from database is needed and result of that operations is content which is then server by jRDC web server part (let's say some kind of scheduler on server side).

Without providing enough information what you want to achieve, it is difficult for us to give you advice.
If the database query is going to execute internally, I think you can just use jSQL to execute the commands.

B4J Question jRDC query database from inside jRDC

Drago Bratko

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