dongjoon-hyun commented on PR #49443:
URL: https://github.com/apache/spark/pull/49443#issuecomment-2583025520

   I'm not sure why you say like that with `-e`.
   
   > This is a bit of a weird patch. The mvn command should actually continue 
checking for `$?` and not for the error output being empty. In particular 
because it parses for "Unformatted files"
   > 
   > Not the second issue is that the lint-scala should not care about the code 
in
   > 
   > ```
   > 
resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/features/ExecutorKubernetesCredentialsFeatureStepSuite.scala
   > ```
   > 
   > The mvn command explicitly just checks for
   > 
   > ```
   >     -pl sql/api \
   >     -pl sql/connect/common \
   >     -pl sql/connect/server \
   >     -pl connector/connect/client/jvm \
   > ```
   
   
   It's a standard way to stop script if some command exist abnormally during 
the script. Apache Spark utilizes it in many script. Are you aware of it, 
@grundprinzip ?
   ```
   $ git grep 'set -e' | wc -l
         33
   ```


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