GCP - Cloud Functions
You deployed a Cloud Function triggered by Firestore document creation, but it never runs. Which of these is the most likely cause?
You deployed a Cloud Function triggered by Firestore document creation, but it never runs. Which of these is the most likely cause?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check trigger configuration
If the trigger path is incorrect, the function won't run on document creation events.Step 2: Eliminate other causes
Syntax errors prevent deployment (not silent failure). HTTP trigger won't respond to Firestore events. Firestore being empty doesn't stop triggers on new documents.Final Answer:
The function is missing the correct Firestore trigger path -> Option AQuick Check:
Wrong trigger path = no function run [OK]
Quick Trick: Check trigger path matches Firestore event exactly [OK]
Common Mistakes:
- Assuming empty Firestore blocks triggers
- Confusing HTTP triggers with event triggers
- Ignoring trigger path correctness
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