Daily Archives: October 13, 2014


Cannot create an instance of InputFormat

Error Scenario: java.io.IOException: Cannot create an instance of InputFormat class We will get this error message when we try to execute simple hadoop fs commands or running any hive queries. Below is the complete error message.

Root Cause: This error message will be received when there are any spaces or spelling mistakes in any of the site.xml configuration file. Suppose in below core-site.xml file value for io.compression.codecs has spaces which […]


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I have attended Siva’s Spark and Scala training. He is good in presentation skills and explaining technical concepts easily to everyone in the group. He is having excellent real time experience and provided enough use cases to understand each concepts. Duration of the course and time management is awesome. Happy that I found a right person on time to learn Spark. Thanks Siva!!!

Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017

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