diff --git a/airflow/providers/databricks/hooks/databricks.py b/airflow/providers/databricks/hooks/databricks.py
index e56b15a99b33f..14447a09d422d 100644
--- a/airflow/providers/databricks/hooks/databricks.py
+++ b/airflow/providers/databricks/hooks/databricks.py
@@ -24,6 +24,7 @@
 """
 import time
 from time import sleep
+from typing import Dict
 from urllib.parse import urlparse
 
 import requests
@@ -135,14 +136,18 @@ def __init__(
     ) -> None:
         super().__init__()
         self.databricks_conn_id = databricks_conn_id
-        self.databricks_conn = None
         self.timeout_seconds = timeout_seconds
         if retry_limit < 1:
             raise ValueError('Retry limit must be greater than equal to 1')
         self.retry_limit = retry_limit
         self.retry_delay = retry_delay
-        self.aad_tokens = {}
+        self.aad_tokens: Dict[str, dict] = {}
         self.aad_timeout_seconds = 10
+        self.databricks_conn = self.get_connection(self.databricks_conn_id)
+        if 'host' in self.databricks_conn.extra_dejson:
+            self.host = self._parse_host(self.databricks_conn.extra_dejson['host'])
+        else:
+            self.host = self._parse_host(self.databricks_conn.host)
 
     @staticmethod
     def _parse_host(host: str) -> str:
@@ -229,7 +234,7 @@ def _get_aad_token(self, resource: str) -> str:
                         f'Response: {e.response.content}, Status Code: {e.response.status_code}'
                     )
 
-                self._log_request_error(attempt_num, e)
+                self._log_request_error(attempt_num, e.strerror)
 
             if attempt_num == self.retry_limit:
                 raise AirflowException(f'API requests to Azure failed {self.retry_limit} times. Giving up.')
@@ -300,14 +305,6 @@ def _do_api_call(self, endpoint_info, json):
         """
         method, endpoint = endpoint_info
 
-        if self.databricks_conn is None:
-            self.databricks_conn = self.get_connection(self.databricks_conn_id)
-
-            if 'host' in self.databricks_conn.extra_dejson:
-                self.host = self._parse_host(self.databricks_conn.extra_dejson['host'])
-            else:
-                self.host = self._parse_host(self.databricks_conn.host)
-
         url = f'https://{self.host}/{endpoint}'
 
         aad_headers = self._get_aad_headers()