channel has been removed due to an error

Error Scenario: channel has been removed due to an error during configuration. This error message is received in ~/logs/flume.log file when starting a flume agent with missing or wrong configuration with JDBC channel setup.

Root Cause: DerbySchemaHandler.schemaExists error message is received when a flume agent’s sink is not able to receive the events from this JDBC channel and for some reason agent process stopped and when we try to […]

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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