Thomas Graves created SPARK-30742:
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Summary: Resource discovery should protect against user returing
empty string for address
Key: SPARK-30742
URL: https://issues.apache.org/jira/browse/SPARK-30742
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.0.0
Reporter: Thomas Graves
Using the resource discovery with custom resource scheduling, the user could
return an empty string for an address. Currently we allow this but it doesn't
make sense.
We should protect against this and remove any empty strings.
To reproduce write a discoveryScript that returns valid json but one of the
addresses is the empty string.
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