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Low Code App – History Alarm Table not displaying alarms

Solved1.30K views7th July 2023alarm history low code app
7
chris Holmes [SLC] [DevOps Member]205 26th January 2023 3 Comments

We have created a Low code app for a customer with one page showing a table for an Elements Active alarms and another table showing the Elements History Alarms.

The Active Alarms table works fine but for the History Alarms table when selecting History or Sliding Window I just get the Loading Alarms message on the table and after a while then get a red "There is no connection" or "An unknown error Occurred (Status: 500)".  This happens regardless of time span or if using no filter, a saved filter or selecting an Element etc.

Is this a known issue ?  Running DM v10.2.12 CU2

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 7th July 2023
Ruben Vandepitte [SLC] [DevOps Advocate] commented 26th January 2023

Can you confirm the alarms show up in a timely manner through the Cube alarm console, using the same filters?

chris Holmes [SLC] [DevOps Member] commented 26th January 2023

Hi Ruben, Yes in the Alarm console itself all works as expected.

Pieter Van Compernolle [SLC] [DevOps Enabler] commented 27th January 2023

and about how many alarms did you receive in the selected time window?

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chris Holmes [SLC] [DevOps Member]205 Posted 27th January 2023 1 Comment

Hi Pieter,  It doesnt matter if I use a saved filter that returns 1 alarm over the past 7 days or one that returns multiple alarms over 30 days the result is the same in the low code app.  Nothing loads and eventually you get the "There is no connection" message.  All other pages and Active alarms table load without issue.

Pieter Van Compernolle [SLC] [DevOps Enabler] Posted new comment 2nd February 2023
Pieter Van Compernolle [SLC] [DevOps Enabler] commented 2nd February 2023

Hi Chris, I meant the number of alarms in the time window with no filter at all

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