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Re: [milo-dev] Unable to connect OPC server inside DOCKER
Hi,

yes, inside docker that can be tricky. The IP inside docker is different than the IP outside of docker. however, the OPC server inside the container take the internal IP and sends that back to the client.

You can, and need to, override the IP/name of the host after discovering and connecting. Like here: https://github.com/apache/camel/blob/54a209043196b2e2b96abaf69aa31ddbc42338ad/components/camel-milo/src/main/java/org/apache/camel/component/milo/client/internal/SubscriptionManager.java#L756-L808

Cheers

Jens

On Fri, Jun 3, 2022 at 2:52 PM Pankaj Mishra <pankaj.mishraa06@xxxxxxxxx> wrote:
Hello,
My name is Pankaj and I am a developer at Siemens.
I am facing this issue described below.

My Client:

Container name:  opcmockmiddleware-opcserver-1 (This is opcserver container name)

I am trying to connect OPC server from client using the code:
List<EndpointDescription> endpoints = DiscoveryClient.getEndpoints(url).get();
The URL which I have configured is like
opc.server.url=opc.tcp://opcmockmiddleware-opcserver-1:4850/siemens
on my client so that it can discover the server.
But for some reason it is creating a wrong url while calling the opc server .
Please find the below screenshot.
image.png

I have also tried by hardcoding the IP to connect to server but its shows 
connection refused:  /172.31.0.2:4850

It is malfunctioning the URL , when both client and server is running inside docker .
Eclipse milo version:
Client: 0.6.4
server: 0.4.3

Please help!. I am stuck here.
I will be waiting for your reply.

Thanks,
Pankaj.
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--
Jens Reimann
Principal Software Engineer / R&D Product Middleware
Werner-von-Siemens-Ring 14
85630 Grasbrunn
Germany
phone: +49 89 2050 71286
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