srowen commented on pull request #30679:
URL: https://github.com/apache/spark/pull/30679#issuecomment-803496905
See the output linked above. It seems to be:
```
[error] Checkstyle error found in
/home/jenkins/workspace/SparkPullRequestBuilder/launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java:266:
'if' construct must use '{}'s.
[error] Checkstyle error found in
/home/jenkins/workspace/SparkPullRequestBuilder/launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java:272:
Line is longer than 100 characters (found 104).
[error] Checkstyle error found in
/home/jenkins/workspace/SparkPullRequestBuilder/launcher/src/main/java/org/apache/spark/launcher/SparkLauncher.java:99:
Line is longer than 100 characters (found 106).
[error] 3 issue(s) found in Checkstyle report:
/home/jenkins/workspace/SparkPullRequestBuilder/launcher/target/checkstyle-output.xml
[error] com.etsy.sbt.checkstyle.NoExitException
```
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