How to implement workaround Low code app / ad hoc data. DLL references not loaded.

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Hey everyone,

A few weeks ago I implemented the workaround suggested in a dojo question about adding the missing .dll to the path "C:\Skyline DataMiner\Files which worked great for a few weeks. Suddenly it stops working and the same error showed up.

I know this is a known issue. I tried to implement the workaround specified in the task GQI - Custom Data Source - DLL references not loaded | Collaboration (dataminer.services) but was not able to fully implement it. I am wondering if anyone can please provide more specific context on how to implement this workaround?

Thank you!

Carlos Matheus [SLC] [DevOps Advocate] Selected answer as best 8th August 2023
Miguel Obregon [SLC] [DevOps Catalyst] commented

Hi Carlos,
Just double checking, is the dll file (that your custom data source is referring to) still available in the folder C:Skyline DataMinerFiles?
Carlos Matheus [SLC] [DevOps Advocate] commented

Hi Miguel,
Yes, the dll is still in that path.

2 Answers

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Hi Carlos, it looks like it found the wrong version of Microsoft.Extensions.Logging.dll or one it's dependencies.
Can you check the version of all dependencies located in C:\Skyline DataMiner\Files?

If they are different from the expected versions, you can try replacing them, but be careful that you don't overwrite the version of a dll that DataMiner needs.

If it's a dll that DataMiner depends on too, then the only solution for now is to make sure that your custom data source uses the exact same dll version.

In the near future, with the task you linked, we will be able to allow the use of any dll version independent of DataMiner and other custom data sources.

Carlos Matheus [SLC] [DevOps Advocate] Selected answer as best 8th August 2023
Carlos Matheus [SLC] [DevOps Advocate] commented

Hi Ronald,
I am going to check the versions to see if I can find any discrepancies.

Thank you!
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785 1 Comment

Hi Carlos,

When you say it suddenly stopped working, do you mean after a DataMiner upgrade?

The dll in question (Microsoft.Extensions.Logging.dll) is actively used by core dataminer and the version was upgraded somewhere in the last few versions. This means it was overwritten during the upgrade.

Replacing this again with a lower version might break some functionality so I would suggest going with Ronalds solution here.

Carlos Matheus [SLC] [DevOps Advocate] Edited comment 8th August 2023
Carlos Matheus [SLC] [DevOps Advocate] commented

Hi Robbe,

Yes, it stopped working after a DataMiner upgrade. I will try to do what Ronalds recommended.

Thank you!