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11-20-2017
08:04 PM
Hi @Phaneendra S that error message most usually means you have incorrectly configured your Producer and it is not actually managing to talk with the Kafka service. You should check both your application logs and the kafka service logs to see what the error is. You could try connecting to the Kafka using your Parameters in NiFi, if it works you will know that your Producer code is at fault.
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06-02-2017
03:06 PM
@Phaneendra S Like debugging, this is a broad topic that is more an art than a science. To get you started, below are some links that provide insights on what you can look for. This one is a presentation showcasing the "new" version of Explain and walks through a debugging example: https://www.slideshare.net/HadoopSummit/how-to-understand-and-analyze-apache-hive-query-execution-plan-for-performance-debugging This one explains how Hive Joins would appear in Explains: http://www.openkb.info/2014/11/understanding-hive-joins-in-explain.html As always, if you find this post helpful, don't forget to "accept" answer.
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