Error while running NexRAN demos

[Kazi Samin Mubasshir]

Hello POWDER Team,

I am trying to run the NexRAN demos in the ORAN profile. When I try to run the UE, it receives a ConnectionReject from the eNB. The eNB terminal shows a failure to initiate an SCTP socket and gets a connection refused. I have a running experiment with uuid fc274fe7-a1ed-11ef-af1a-e4434b2381fc.

I also got the following error while initiating the eNB.

error: error executing jsonpath "{.items[0].spec.clusterIP}": Error executing template: array index out of bounds: index 0, length 0. Printing more information for debugging the template:
template was:
{.items[0].spec.clusterIP}
object given to jsonpath engine was:
map[string]interface {}{"apiVersion":"v1", "items":[]interface {}{}, "kind":"List", "metadata":map[string]interface {}{"resourceVersion":""}}

Best Regards

Kazi

------------------------------

Kazi Samin Mubasshir

Graduate Research Assistant

Department of Computer Science

Purdue University

Web: ksmubasshir.com

[David M Johnson]

On 11/13/24 13:21, Kazi Samin Mubasshir wrote:
> Hello POWDER Team,
> I am trying to run the NexRAN demos in the ORAN profile. When I try to
> run the UE, it receives a ConnectionReject from the eNB. The eNB
> terminal shows a failure to initiate an SCTP socket and gets a
> connection refused. I have a running experiment with
> uuid fc274fe7-a1ed-11ef-af1a-e4434b2381fc.

Hi Kazi. I can't say much without seeing the eNB logfile to know which
SCTP connection was refused, so it would be helpful if you can log its
stdout/stderr into /local/logs/srsenb.log with a similar command as
shown in Step 1 of the demo instructions for srsepc.

That said, did you make sure to run srsepc? I don't see the logfile in
/local/logs/ that should have been created if you had run step 1, and
what you're describing sounds like what you'd see if the EPC is not running.

> I also got the following error while initiating the eNB.

This you can ignore; it happens as a side effect of supporting a wide
range of OSC RIC versions.

> error: error executing jsonpath "{.items[0].spec.clusterIP}": Error
> executing template: array index out of bounds: index 0, length 0.
> Printing more information for debugging the template:
> template was:
> {.items[0].spec.clusterIP}
> object given to jsonpath engine was:
> map[string]interface {}{"apiVersion":"v1", "items":[]interface {}{},
> "kind":"List", "metadata":map[string]interface {}{"resourceVersion":""}}
>
> Best Regards
> Kazi

David

[Kazi Samin Mubasshir]

Hi David,

Thanks a lot! Apparently, the given command to run EPC in the background didn't work. After running the EPC in a separate terminal, it worked. 

One following question for the experiment: can I run multiple eNBs and UEs?

Best Regards

Kazi

------------------------------

Kazi Samin Mubasshir

Graduate Research Assistant

Department of Computer Science

Purdue University

Web: ksmubasshir.com

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