Daily Archives: September 23, 2014


NoClassDefFoundError or ClassNotFoundException

In this post we will discuss about most frequent error messages NoClassDefFoundError or ClassNotFoundException in hadoop mapreduce jobs execution and possible solutions for them. Error Scenario: java.lang.ClassNotFoundException       or java.lang.NoClassDefFoundError Error starting MRAppMaster   &  Container exited with a non-zero exit code 1 When we encounter a situation of NoClassDefFoundError or ClassNotFoundException even though we have required jar files added to our build path in eclipse, then we have […]


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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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