Mind showing the complete stack trace ? Thanks
On Mon, Aug 8, 2016 at 12:30 PM, max square <max2subscr...@gmail.com> wrote: > Thanks Ted for the prompt reply. > > There are three or four DFs that are coming from various sources and I'm > doing a unionAll on them. > > val placesProcessed = placesUnchanged.unionAll(placesAddedWithMerchantId). > unionAll(placesUpdatedFromHotelsWithMerchantId).unionAll(pla > cesUpdatedFromRestaurantsWithMerchantId).unionAll(placesChanged) > > I'm using Spark 1.6.2. > > On Mon, Aug 8, 2016 at 3:11 PM, Ted Yu <yuzhih...@gmail.com> wrote: > >> Can you show the code snippet for unionAll operation ? >> >> Which Spark release do you use ? >> >> BTW please use user@spark.apache.org in the future. >> >> On Mon, Aug 8, 2016 at 11:47 AM, max square <max2subscr...@gmail.com> >> wrote: >> >>> Hey guys, >>> >>> I'm trying to save Dataframe in CSV format after performing unionAll >>> operations on it. >>> But I get this exception - >>> >>> Exception in thread "main" org.apache.spark.sql.catalyst. >>> errors.package$TreeNodeException: execute, tree: >>> TungstenExchange hashpartitioning(mId#430,200) >>> >>> I'm saving it by >>> >>> df.write.format("com.databricks.spark.csv").options(Map("mode" -> >>> "DROPMALFORMED", "delimiter" -> "\t", "header" -> "true")).save(bakDir >>> + latest) >>> >>> It works perfectly if I don't do the unionAll operation. >>> I see that the format isn't different by printing the part of the >>> results. >>> >>> Any help regarding this would be appreciated. >>> >>> >> >