GCP - Cloud Pub/Sub
You created a subscription but messages are not being received. Which of the following is the most likely cause?
You created a subscription but messages are not being received. Which of the following is the most likely cause?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check subscription-topic link
If subscription is not linked to the right topic, it won't receive messages.Step 2: Evaluate other options
Topic existence is important but usually creation fails if topic missing; name length or message size usually cause errors, not silent no messages.Final Answer:
The subscription is not attached to the correct topic -> Option AQuick Check:
Subscription-topic mismatch blocks messages [OK]
Quick Trick: Check subscription's topic link first if no messages [OK]
Common Mistakes:
- Ignoring subscription-topic association
- Assuming message size silently blocks delivery
- Thinking subscription name length causes no messages
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