[Solved] What is wrong with this ACL command?kafka-acls --add --allow-principal User:emma --operation Read --group | Kafka

Kafka - Security

What is wrong with this ACL command?

kafka-acls --add --allow-principal User:emma --operation Read --group

AOperation Read is invalid for groups

BUser prefix should be lowercase

CMissing --topic flag

DMissing consumer group name after --group

Step-by-Step Solution

Solution:

Step 1: Check command syntax for group ACL
The --group flag requires a group name to specify which consumer group.
Step 2: Validate other parts
User prefix is case-sensitive but correct as User:, Read is valid for groups, and --topic is not needed here.
Final Answer:
Missing consumer group name after --group -> Option D
Quick Check:
Group name required after --group [OK]

Quick Trick: Always specify group name after --group [OK]

Common Mistakes:

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What is wrong with this ACL command?