Grafana showing no data in graph

[jimmyjams22]

Hello,

Firstly i would love to say its great seeing you being more active again on this fantastic plugin you have created. My issue is identical to #141 which is now closed. The plugin detects i have data, however will not display anything in the graphs. While that user did fix it by going back to plugin version 4.0.

I was wondering if there are any plans to fix the issue on the current PRTG and plugin version.

Thanks,

[neuralfraud]

What language are you using? Do you have a different date format? historicdata.json shows the date as MM/DD/YYYY HH:MM:SS AM|PM - Unless for some absurd reason the date string is different, this should work perfectly.

[jimmyjams22]

Hey,

Thanks for the quick response. It would appear you hit the nail on the head. I am from Australia and my native time format is DD/MM/YYYY. I changed the time format in PRTG to MM/DD/YYYY HH:MM:SS AM|PM and everything works perfectly now.

[neuralfraud]

Ok thats super annoying but i will look into my options with the API. Thank you.

Sent from my iPhone

On Nov 24, 2019, at 10:15 PM, jimmyjams22 [email protected] wrote:

Hey,

Thanks for the quick response. It would appear you hit the nail on the head. I am from Australia and my native time format is DD/MM/YYYY. I changed the time format in PRTG to MM/DD/YYYY HH:MM:SS AM|PM and everything works perfectly now.

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[adzicents]

Looked in to this as I didn't want to downgrade due to the performance improvements found using 4.0.4's JSON parsing over XML (nor did I want to change the date format in PRTG). This is a consequence of the way that javascript's built-in Date object handles short dates. See "Fall-back to implementation-specific date formats" at: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/parse#Description

I did a hacky fix to get around it for now, by adding the following replacement regex to the date parse in the getItemHistory function datetime: Date.parse(results[iter]["datetime"].match(/(\d+\/\d+\/\d+\s\d+:\d+:\d+\s\w+)\s?/)[1].replace(/([0-9]+)\/([0-9]+)/,'$2/$1')), //Let's pray there are no Chinese timestamps

You might have to use/include a different time/date library to avoid having to do a lot of processing work to get around this issue.