HADOOP-11869. Suppress ParameterNumber checkstyle violations for overridden methods. Contributed by Jonathan Eagles

hadoop-build-tools/src/main/resources/checkstyle/checkstyle.xml

@@ -125,7 +125,9 @@
         <!-- See http://checkstyle.sf.net/config_sizes.html -->
         <module name="LineLength"/>
         <module name="MethodLength"/>
-        <module name="ParameterNumber"/>
+        <module name="ParameterNumber">
+          <property name="ignoreOverriddenMethods" value="true"/>
+        </module>
 
 
         <!-- Checks for whitespace                               -->