Django - Celery and Background Tasks
Find the bug in this retry logic:
```python
@app.task(bind=True, max_retries=2)
def fetch_data(self):
try:
data = get_data()
except Exception as exc:
self.retry(exc=exc)
```
Find the bug in this retry logic: ```python @app.task(bind=True, max_retries=2) def fetch_data(self): try: data = get_data() except Exception as exc: self.retry(exc=exc) ```
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Check retry call
Retry must be raised with 'raise self.retry(...)' to trigger retry.Step 2: Identify missing raise
The code calls self.retry but does not raise it, so retry won't happen.Final Answer:
Missing raise before self.retry causes no retry. -> Option DQuick Check:
Retry needs raise keyword [OK]
Quick Trick: Use 'raise' with self.retry to enable retry [OK]
Common Mistakes:
MISTAKES- Forgetting raise keyword
- Changing max_retries unnecessarily
- Misnaming exception variable
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