Thingspeak "data export" button not working
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Of only one of my channels I am not able to retrieve data of the last days via the data export button. The other channels gave me a downloadable CSV file.
But my first channel just gave me an empty HTML page after I press the download button. After a few seconds waiting, sounds almost like a time out of the ThingSpeak server.
This problem happend to me in different internet browsers and on the last few days
I checked my logging and I was able to retrieve the data via the same button on 4 November 2019; but could not do it 15 and 16 Nov 2019. Is something changed on the ThingSpeak server?
I need the data from this week.
Any hints how?
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Réponses (6)
Christopher Stapels
le 17 Nov 2019
If your channel is public, can you share the channel number so someone else can try it? Are you sure there is data in the channel? Is it a large amount of data?
Are you able to use the API for Read data to export your channel data? You can export in csv format, but only up to 8000 data points.
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Christopher Stapels
le 18 Nov 2019
We are able to reproduce this issue and we are working on a fix. In the meantime, if you need access to the data from this channel, we can output a csv file and send it via a secure FTP. Send an email to cstapels 'at' mathworks dot com. Please include the channel ID and read API key.
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Roelof Klunder
le 2 Déc 2019
1 commentaire
Vinod
le 2 Déc 2019
The problem manifests when a channel has a large number of datapoints and takes a long time to download all the data. We're working on a bug fix that will resolve this issue.
Vinod
le 19 Déc 2019
This has been fixed. For those who are having trouble, you should now be able to go to the "Data Import/Export" tab of your channel and export the data.
8 commentaires
Tim Hodges
le 27 Avr 2020
I'm trying to download 869000 data points. Was working for me last on 19th April. Then I tried on 26th April and been 504 error since.
Christopher Stapels
le 28 Avr 2020
We have been able to reproduce the issue. As before the problem only happens for larger channels, which is why I initially failed to reproduce it. We are aware of the problem and are working on a fix.Thank you for your patience and reporting.
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