Pass a Delete or a Put error in hbase mapreduce

Question

I am getting below Error while running mapreduce on hbase:

java.io.IOException: Pass a Delete or a Put
    at org.apache.hadoop.hbase.mapreduce.TableOutputFormat         


        

Answer 1

The problem hasn't solved by the following code:

job.setNumReduceTasks(0);

It only help disable the reduce phase and skip the real problem in the reduce phase.

Besides, there is problem in the configuration, you should include both mapred-site.xml and hbase-site.xml as the Configuration resources.

Answer 2

Got Answer for my own question. I was setting mistakenly no of reducer tasks as '0'.

 job.setNumReduceTasks(0);

So Mapper expects Put object to directly write into Hbase table.Commenting the above line solved the issue.