Null pointer exception reading Parquet

Hi All, I am using Saprk version 1.2 running locally. When I try to read a paquet file I get below exception, what might be the issue? Any help will be appreciated. This is the simplest operation/action on a parquet file. //code snippet// val sparkConf = new SparkConf().setAppName(

LeftOuter Join issue

I have about 15 -20 joins to perform. Each of these tables are in the order of 6 million to 66 million rows. The number of columns range from 20 are 400. I read the parquet files and obtain schemaRDDs. Then use join functionality on 2 SchemaRDDs. I join the previous join results with the next