Hive queries from mapreduce gives Null Pointer Exception

Question

Hi. I am using Hive for MapReduce version 1. I am using Hive along with this. Whenever a hive queries is generated from MapReduce job, it is failing with Null Point Exception. I tried the same for different jobs and irrespective of what job I am trying to run, the result is same. Please help me solve this.

Answer 1

I think you have upgraded CDH. This is a common problem when CDH is upgraded to version 5 and above. To solve this, open the mapred-site.xml file and remove the following property:

<property>
  <name>mapreduce.framework.name</name>
  <value>yarn</value>
</property>