I have created 2 pipeline in Azure Datafactory. We have a custom activity created to run a python script inside the pipeline.When the pipeline is executed manually it successfully run for n number of time.But i have created a scheduled trigger of an interval of 15 minutes in order to run the 2 pipelines.The first execution successfully runs but in the next interval i am getting the error "Operation on target PyScript failed: Hit unexpected exception and execution failed." we are blocked wiht this.any input on this would be really helpful.
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from ADF troubleshooting guide, it states...
Custom Activity :
The following table applies to Azure Batch.
Error code: 2500
Message: Hit unexpected exception and execution failed.
Cause: Can't launch command, or the program returned an error code.
Recommendation: Ensure that the executable file exists. If the program started, make sure stdout.txt and stderr.txt were uploaded to the storage account. It's a good practice to emit copious logs in your code for debugging.
Related helpful doc: Tutorial: Run Python scripts through Azure Data Factory using Azure Batch
Hope this helps.
If you are still blocked, please share failed pipeline run ID & failed activity run ID, for further analysis.

Kranthi Pakala
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