Hi Ted thanks much for the reply. I cant share code on public forum. I have
created custom format by extending Hadoop mapred InputFormat class and same
way RecordReader class. If you can help me how do I use the same in
DataFrame it would be very helpful.
On Sat, Aug 1, 2015 at 12:12 AM, Ted Yu <yuzhih...@gmail.com> wrote:
> Can you pastebin the complete stack trace ?
>
> If you can show skeleton of MyInputFormat and MyRecordWritable, that
> would provide additional information as well.
>
> Cheers
>
> On Fri, Jul 31, 2015 at 11:24 AM, unk1102 <umesh.ka...@gmail.com> wrote:
>
>> 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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>
