Jacques Nadeau created DRILL-3520:
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Summary: Provide better logging around UDF loading and module
loading
Key: DRILL-3520
URL: https://issues.apache.org/jira/browse/DRILL-3520
Project: Apache Drill
Issue Type: Sub-task
Reporter: Jacques Nadeau
When adding an extension to Drill, sometimes it is hard to know what is going
on. We should:
- improve logging so that we report at INFO level information about all the Jar
files that were included in Drill's consideration set (marked) and those that
are not. (and include this debug analysis in the documentation)
- If Drill fails to load a function, register an error function so that trying
to invoke the UDF will provide the user with information about why the function
failed to load.
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