Issue with Darwin Push Port via Rail Data Marketplace?

[Ian Morrison]

Hi everyone,

Is it just me not getting any messages delivered by the Darwin Push Port via Rail Data Marketplace? I'm subscribed to the XML feed. It failed at some point this morning, and has been down all day for me. I've checked the username/password etc., and all are correct. The program seems to create the Consumer object fine, but it sits forever waiting on a message to arrive, which never does. 

Regards,

Ian

[David Wheatley]

Nothing since 10:10:32 for me either.

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[Peter Hicks]

Hi Ian

On Monday, 9 March 2026 at 18:42, Ian Morrison <ianmorr...@gmail.com> wrote:

Is it just me not getting any messages delivered by the Darwin Push Port via Rail Data Marketplace? I'm subscribed to the XML feed. It failed at some point this morning, and has been down all day for me. I've checked the username/password etc., and all are correct. The program seems to create the Consumer object fine, but it sits forever waiting on a message to arrive, which never does.

It's not just you - I've logged on to the RDM and clicked 'Preview' on the data product page (https://raildata.org.uk/dashboard/dataProduct/P-3f10bf96-d8e8-4041-aa5e-d75d82c45c4e/pubSub), and I'm not seeing any data.

Since there's no heartbeat to identify whether the problem is within the RDM or upstream, you're best off opening a support ticket on the RDM.

Peter

[Ian Morrison]

Thanks Peter, will do so now.

[David Wheatley]

I have opened RDM0003126. I'll reply if I hear anything.

David

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[Ian Morrison]

I've also just opened a ticket,  RDM0003127. Hopefully it will get sorted soon.

[Alex Barber]

Has RDM responded at all - it's concerning that this has been down for so long.

Regards,

Alex Barber

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[Alex Barber]

And just as I send that we seem to be receiving data.

Alex Barber

[goo...@notacrab.net]

Hi,

I got a response to my ticket asking when it'd be up, but they didn't answer my other questions about what kind of monitoring / oncall provisons they have :(

Best,

[Jez Smith]

Afternoon all,

RDM picked up the ticket at 8.50am this morning and the issue was resolved around 9.30.  Only P1 incidents (where the whole RDM platform is down) are dealt with out of hours, so I would encourage everyone to raise an incident on RDM when you identify an issue.  We don't monitor this wiki for problems.

Right now, we are trying to get to the bottom of the root cause, to see if there is anything to do there.  We are also looking at ways in which we can monitor data feeds from the publisher.  This is easier with APIs where we can set a threshold, but trickier for pub/sub.  If we can identify a reliable way, we will implement it.

...but belt and braces; if you identify a problem, please raise an incident on RDM.  We would rather have 2 incidents for the same thing than none.

Cheers

Jez

[David Wheatley]

Hi Jez,

Right now, we are trying to get to the bottom of the root cause, to see if there is anything to do there.  We are also looking at ways in which we can monitor data feeds from the publisher.  This is easier with APIs where we can set a threshold, but trickier for pub/sub.  If we can identify a reliable way, we will implement it.

Darwin has heartbeat messages on the Pub/Sub feed every 60 seconds as per the Push Port spec, so in this case downtime monitoring could be as simple as detecting if no messages are received for more than a couple of minutes.

Cheers,

David

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[Tom Cairns]

I’m getting real de ja vu here for those of us who went through the worst bits of the NROD outages. 

It is really concerning to understand that RDM doesn’t individually monitor one of perhaps the most critical systems in terms of downstream usage. As far as I suspect most people here will be concerned, Darwin is an RDG product on an RDG platform and the intricacies of how it gets there is entirely unimportant to those who use it.

I think this raises very serious questions about whether RDM can be relied upon for production use if it was down for nearly 24 hours.

Tom

[Seb Dazeley]

With the National Rail Data Portal closing down soon, it's especially important that the Darwin feed on RDM can be relied upon because it will be the only way non-industry users can access it. 

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