Suppress jaydebeapi.Error when setAutoCommit or getAutoCommit is unsu…

…pported by JDBC driver (#38707)


---------

Co-authored-by: David Blain <david.blain@infrabel.be>

airflow/providers/jdbc/hooks/jdbc.py

@@ -17,6 +17,9 @@
 # under the License.
 from __future__ import annotations
 
+import traceback
+import warnings
+from contextlib import contextmanager
 from typing import TYPE_CHECKING, Any
 
 import jaydebeapi
@@ -27,6 +30,15 @@
     from airflow.models.connection import Connection
 
 
+@contextmanager
+def suppress_and_warn(*exceptions: type[BaseException]):
+    """Context manager that suppresses the given exceptions and logs a warning message."""
+    try:
+        yield
+    except exceptions as e:
+        warnings.warn(f"Exception suppressed: {e}\n{traceback.format_exc()}", category=UserWarning)
+
+
 class JdbcHook(DbApiHook):
     """General hook for JDBC access.
 
@@ -152,7 +164,8 @@ def set_autocommit(self, conn: jaydebeapi.Connection, autocommit: bool) -> None:
         :param conn: The connection.
         :param autocommit: The connection's autocommit setting.
         """
-        conn.jconn.setAutoCommit(autocommit)
+        with suppress_and_warn(jaydebeapi.Error):
+            conn.jconn.setAutoCommit(autocommit)
 
     def get_autocommit(self, conn: jaydebeapi.Connection) -> bool:
         """Get autocommit setting for the provided connection.
@@ -162,4 +175,6 @@ def get_autocommit(self, conn: jaydebeapi.Connection) -> bool:
             to True on the connection. False if it is either not set, set to
             False, or the connection does not support auto-commit.
         """
-        return conn.jconn.getAutoCommit()
+        with suppress_and_warn(jaydebeapi.Error):
+            return conn.jconn.getAutoCommit()
+        return False

tests/providers/jdbc/hooks/test_jdbc.py

@@ -22,11 +22,14 @@
 from unittest import mock
 from unittest.mock import Mock, patch
 
+import jaydebeapi
 import pytest
 
+from airflow.exceptions import DeserializingResultError
 from airflow.models import Connection
-from airflow.providers.jdbc.hooks.jdbc import JdbcHook
+from airflow.providers.jdbc.hooks.jdbc import JdbcHook, suppress_and_warn
 from airflow.utils import db
+from airflow.utils.context import AirflowContextDeprecationWarning
 
 pytestmark = pytest.mark.db_test
 
@@ -82,13 +85,27 @@ def test_jdbc_conn_set_autocommit(self, _):
         jdbc_hook.set_autocommit(jdbc_conn, False)
         jdbc_conn.jconn.setAutoCommit.assert_called_once_with(False)
 
+    @patch("airflow.providers.jdbc.hooks.jdbc.jaydebeapi.connect")
+    def test_jdbc_conn_set_autocommit_when_not_supported(self, _):
+        jdbc_hook = JdbcHook()
+        jdbc_conn = jdbc_hook.get_conn()
+        jdbc_conn.jconn.setAutoCommit.side_effect = jaydebeapi.Error()
+        jdbc_hook.set_autocommit(jdbc_conn, False)
+
     @patch("airflow.providers.jdbc.hooks.jdbc.jaydebeapi.connect")
     def test_jdbc_conn_get_autocommit(self, _):
         jdbc_hook = JdbcHook()
         jdbc_conn = jdbc_hook.get_conn()
         jdbc_hook.get_autocommit(jdbc_conn)
         jdbc_conn.jconn.getAutoCommit.assert_called_once_with()
 
+    @patch("airflow.providers.jdbc.hooks.jdbc.jaydebeapi.connect")
+    def test_jdbc_conn_get_autocommit_when_not_supported_then_return_false(self, _):
+        jdbc_hook = JdbcHook()
+        jdbc_conn = jdbc_hook.get_conn()
+        jdbc_conn.jconn.getAutoCommit.side_effect = jaydebeapi.Error()
+        assert jdbc_hook.get_autocommit(jdbc_conn) is False
+
     def test_driver_hook_params(self):
         hook = get_hook(hook_params=dict(driver_path="Blah driver path", driver_class="Blah driver class"))
         assert hook.driver_path == "Blah driver path"
@@ -161,3 +178,12 @@ def test_driver_extra_raises_warning_and_returns_default_driver_by_default(self,
                     "have supplied 'driver_class' via connection extra but it will not be used"
                 ) in caplog.text
                 assert driver_class == "Blah driver class"
+
+    def test_suppress_and_warn_when_raised_exception_is_suppressed(self):
+        with suppress_and_warn(AirflowContextDeprecationWarning):
+            raise AirflowContextDeprecationWarning()
+
+    def test_suppress_and_warn_when_raised_exception_is_not_suppressed(self):
+        with pytest.raises(AirflowContextDeprecationWarning):
+            with suppress_and_warn(DeserializingResultError):
+                raise AirflowContextDeprecationWarning()