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How to solve this error when i use KafkaExport
I wanna use KafkaExport function,, but when i was test the KafkaExport function I encounter this message.. what's wrong??..
SELECT KafkaExport(null, product_id::VARCHAR, product_id USING PARAMETERS brokers = 'localhost:9092', topic='vertica_test') OVER (PARTITION BEST) FROM products;
SQL Error  [VP001]: [Vertica][VJDBC](5861) ERROR: Error calling processPartition() in User Function KafkaExport at [src/KafkaExport.cpp:215], error code: 0, message: Error connecting to brokers localhost:9092: Local: Broker transport failure