perfSONAR User Q&A and Other Discussion

[Shawn McKee <>]

Hi Joachim,

When you say the JSON fails validation, where are  you seeing that?

I just checked the validity of the JSON from my perfSONAR host and it parses as valid.

[root@psum02 ~]# psconfig validate http://psconfig.opensciencegrid.org/pub/auto/perfsonar-ps2.ndgf.org
Loading template ...... OK
Validating JSON schema ...... OK
Verifying object references ...... OK
pScheduler Validation (Quick) ...... OK

pSConfig JSON is valid

I do see you have another error but I don't think it is because the JSON is invalid.  I also checked the URL with a JSON extension in my browser, and didn't see any obvious issues with the psconfig JSON.   Andy may have an idea about what is going wrong now.

Shawn

On Wed, Oct 26, 2022 at 9:22 AM Joachim Hunosøe <> wrote:

Hey everyone 

perfsonar-ps2.ndgf.org are still failing in validation of .json

no validation error to be seen in log files. 

newest error found in log files 

Connection refused at /usr/share/perl5/LWP/Protocol/http.pm line 51.

2018/08/16 08:35:09 (6602) WARN> perfsonar_meshconfig_agent:430 main:: - Problem determining which pscheduler to submit test to for creation, skipping test trace(psfrascati01.lnf.infn.it->perfsonar-ps2.ndgf.org): 500 Can't connect to 127.0.0.1:443: Can't connect to 127.0.0.1:443

Best regards 
Joachim Hunosøe

+45 5374 7719

On 25 Oct 2022, at 15.20, Shawn McKee <> wrote:

Hi Everyone,

It looks to me like there are incomplete configurations in psconfig regarding NDGF nodes.  I am CCing Mattias, since I would guess he was working on setting this up.

The issues may be that that host was added to a hostgroup "NDGF Bandwidth Group" which is not used anywhere.   While this shouldn't really cause an issue, I suspect it is confusing PWA.  I removed the ps2 host from that group (leaving it empty) and the JSON validates now.

So this is "kind of" a bug on the psconfig side, in that an unused group shouldn't cause a config (JSON) issue.

Should be OK for now.  Thanks,

Shawn

On Tue, Oct 25, 2022 at 2:38 PM Andrew Lake <> wrote:

Hi,

The problem is the JSON file  http://psconfig.opensciencegrid.org/pub/auto/perfsonar-ps2.ndgf.org is not valid per Szymon’s original note. That is causing the error you see in the logs and unfortunately restarting clients won’t help with that. Any client that gets pointed at that JSON will fail.  Perhaps through the web UI at psconfig.opensciencegrid.org there is a way to remove the old references?

Thanks,

Andy

On October 25, 2022 at 7:44:00 AM, Joachim Hunosøe () wrote:

just tried to restart the service and the log file tells me 

that it 

Dont know the service, 

Cant connect, 

Can’t call method “checksum” on an undefined value at /usr/lib/perfsonar/bin/../lib/perfSONAR_PS/BaseAgent.pm line 386,

so does that sound like some of the packages are damaged ? 

because it not an error Im have tried before. 

Best regards 
Joachim Hunosøe

+45 5374 7719

On 25 Oct 2022, at 11.50, Szymon Trocha <> wrote:

W dniu 25.10.2022 o 11:42, Joachim Hunosøe pisze:

Hey Szymon 

just ran it 

and yeah it fails. 

but my psconfig-pscheduler-agent are also pretty flaky and when I try start the services it failes after 1 min. 

do you think I need to run an repair of the installed packages that are installed ? 

Hi Joachim,

If the agent fails look at agent's log to see what's happening

Regards,

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Szymon Trocha
Poznań Supercomputing & Networking Center

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