Github user fsauer65 commented on the issue:
https://github.com/apache/spark/pull/22560
tests are failing with
```
Caused by: sbt.ForkMain$ForkError: java.io.NotSerializableException:
org.apache.spark.sql.execution.datasources.jdbc.DefaultConnectionFactoryProvider$
Serialization stack:
- object not serializable (class:
org.apache.spark.sql.execution.datasources.jdbc.DefaultConnectionFactoryProvider$,
value:
org.apache.spark.sql.execution.datasources.jdbc.DefaultConnectionFactoryProvider$@7d4b4fa8)
```
Not sure what the right way is to fix this but could it be as simple as
extending Serializable? I don't understand why I'm not seeing this in our
environment.
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