fix: Graceful shutdown in case of failed initialization

freqtrade/freqtradebot.py

@@ -92,7 +92,7 @@ class FreqtradeBot(LoggingMixin):
         exchange_config: ExchangeConfig = deepcopy(config["exchange"])
         # Remove credentials from original exchange config to avoid accidental credential exposure
         remove_exchange_credentials(config["exchange"], True)
-
+        try:
             self.exchange = ExchangeResolver.load_exchange(
                 self.config, exchange_config=exchange_config, load_leverage_tiers=True
             )
@@ -187,6 +187,11 @@ class FreqtradeBot(LoggingMixin):
 
             self._measure_execution = MeasureTime(log_took_too_long, timeframe_secs * 0.25)
 
+        except Exception as e:
+            # Graceful shutdown in case of failed initialization.
+            self.cleanup()
+            raise e from e
+
     def notify_status(self, msg: str, msg_type=RPCMessageType.STATUS) -> None:
         """
         Public method for users of this class (worker, etc.) to send notifications