Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/22989#discussion_r232491342
--- Diff: dev/checkstyle.xml ---
@@ -64,6 +64,11 @@
<property name="message" value="No trailing whitespace allowed."/>
</module>
+ <module name="RegexpSingleline">
+ <property name="format" value="throw new OutOfMemoryError"/>
--- End diff --
Per my suggestion below, how about the regex `throw new \\w+Error\\(`
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