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If a Kafka S3 sink connector is not uploading files as expected, which configuration error is the most probable cause?

medium📝 Debug Q7 of Q15
Kafka - Connect
If a Kafka S3 sink connector is not uploading files as expected, which configuration error is the most probable cause?
AIncorrect or missing AWS credentials
BWrong Kafka topic name in 'topics' property
CMisconfigured 'key.converter' setting
DInvalid 'elastic.hosts' value
Step-by-Step Solution
Solution:

  1. Step 1: Identify upload failure reasons

    Uploading to S3 requires valid AWS credentials.

  2. Step 2: Analyze options

    Missing or incorrect AWS credentials prevent uploads. Wrong topic or key.converter affect data flow but not upload. 'elastic.hosts' is unrelated to S3.

  3. Final Answer:

    Incorrect or missing AWS credentials -> Option A

  4. Quick Check:

    AWS credentials required for S3 upload [OK]
Quick Trick: AWS credentials must be valid for S3 uploads [OK]
Common Mistakes:
MISTAKES
  • Confusing S3 configs with Elasticsearch settings
  • Ignoring AWS credential setup

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