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Author: Marcelo Vanzin

pom.xml

@@ -1145,6 +1145,10 @@
             <argLine>-ea -Xmx3g -XX:MaxPermSize=${MaxPermGen} -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
             <stderr/>
             <environmentVariables>
+              <!--
+                Setting SPARK_DIST_CLASSPATH is a simple way to make sure any child processes
+                launched by the tests have access to the correct test-time classpath.
+              -->
               <SPARK_DIST_CLASSPATH>${test_classpath}</SPARK_DIST_CLASSPATH>
             </environmentVariables>
             <systemProperties>