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A Pub/Sub subscriber code throws an error: 'AttributeError: 'Message' object has no attribute 'acknowledge''. What is the fix?

medium📝 Debug Q7 of 15
GCP - Cloud Pub/Sub
A Pub/Sub subscriber code throws an error: 'AttributeError: 'Message' object has no attribute 'acknowledge''. What is the fix?
ARemove the ack call completely
BChange 'message.acknowledge()' to 'message.ack()'
CRename the variable 'message' to 'msg'
DImport the 'acknowledge' module
Step-by-Step Solution
Solution:
  1. Step 1: Identify correct method name

    The Pub/Sub message object uses 'ack()' to acknowledge, not 'acknowledge()'.
  2. Step 2: Fix the method call

    Replacing 'message.acknowledge()' with 'message.ack()' resolves the error.
  3. Final Answer:

    Change 'message.acknowledge()' to 'message.ack()' -> Option B
  4. Quick Check:

    Correct ack method = ack() [OK]
Quick Trick: Use 'ack()' method to acknowledge messages [OK]
Common Mistakes:
  • Using wrong method name 'acknowledge()'
  • Trying to import nonexistent modules
  • Thinking variable name causes method error

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