Hi I am having my own Hadoop custom InputFormat which I need to use in
creating DataFrame. I tried to do the following
JavaPairRDD<Void,MyRecordWritable> myFormatAsPairRdd =
jsc.hadoopFile("hdfs://tmp/data/myformat.xyz",MyInputFormat.class,Void.class,MyRecordWritable.class);
JavaRDD<MyRecordWritable> myformatRdd = myFormatAsPairRdd.values();
DataFrame myFormatAsDataframe =
sqlContext.createDataFrame(myformatRdd,MyFormatSchema.class);
myFormatAsDataframe.show();
Above code does not work and throws exception saying
java.lang.IllegalArgumentException object is not an instance of declaring
class
My custom Hadoop InputFormat works very well with Hive,MapReduce etc How do
I make it work with Spark please guide I am new to Spark. Thank in advance.
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