https://community.cloudera.com/t5/Support-Questions/Spark-java-lang-StackOverflowError/m-p/226957#M188817 <P>Hi <A rel="user" href="https://community.cloudera.com/users/11048/falbani.html" nodeid="11048">@Felix Albani</A> I have used your suggestion before compiling. I think it doesn't make any different</P><PRE>val spark = SparkSession.builder()<BR /> .master("local[4]")<BR /> .appName("SparkALS")<BR /> .config("spark.executor.extraJavaOptions","-Xss4g")<BR /> .config("driver-java-options","-Xss4g")<BR /> .getOrCreate()</PRE><P>Unfortunately, when I use TrainValidationSplit, even with only one grid params, I get the same error. It works fine without TrainValidationSplit.</P> Mon, 27 Aug 2018 20:26:41 GMT erkansirin78 2018-08-27T20:26:41Z