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Null pointer to imported experiment (run?)  #53

Description

@n8shadow

I am trying to export-import mlflow objects from a deprecated databricks workspace to a new one. Thereby, I figured out following miss behavior when using local setup:

  • export-model (from deprecated ws) works without any warning or error
  • import-model (to new ws) works without any warning or error
  • I see the model in the registry of the the new ws
  • I see the experiment the model stems from in the new ws
  • clicking the migrated experiment results in a null pointer
  • clicking the run of the migrated model version in registry results in a null pointer

See also below screenshots.
Do you have an idea why that happens? To me it seems that the imported (meta-) data are not complete and the run might be not available in the migrated object.

Doing the same with objects only involving the same (new) ws seems to work fine. I cannot test it with the notebooks since I don't have a mounted storage that is shared by the two workspaces.

All mlflow objects that I used for my tests were generated with mlflow version 1.24.0 and on a databricks cluster with runtime 10.4 LTS ML.

Bildschirmfoto 2022-04-07 um 08 41 20

Bildschirmfoto 2022-04-07 um 08 38 27

Bildschirmfoto 2022-04-07 um 08 39 36

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