[Solved] Identify the error in this Kafka producer code snippet: producer.send(topic, key, value); — Ans: The send method requires a ProducerRecord object, not separate parameters. | Kafka

Kafka - Basics and Event Streaming

Identify the error in this Kafka producer code snippet: producer.send(topic, key, value);

AThe send method requires a ProducerRecord object, not separate parameters.

BThe topic name must be a global variable.

CThe key parameter cannot be null.

DThe producer must be closed before sending.

Step-by-Step Solution

Solution:

Step 1: Review Kafka producer send method
The send method expects a ProducerRecord object encapsulating topic, key, and value.
Step 2: Analyze code snippet
Passing topic, key, value as separate parameters is incorrect usage.
Final Answer:
The send method requires a ProducerRecord object, not separate parameters. -> Option A
Quick Check:
send() needs ProducerRecord object [OK]

Quick Trick: Use ProducerRecord to send messages, not separate args [OK]

Common Mistakes:

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