Method on_backend_retryable_error

celery/backends/base.py:698–700

Hook called before retrying a recoverable backend exception.

(self, exc)

        return False

    def on_backend_retryable_error(self, exc):
        """Hook called before retrying a recoverable backend exception."""
        return None

    def get_task_meta(self, task_id, cache=True):
        """Get task meta from backend.