Fix: Exception when parsing log #20966

airflow/hooks/subprocess.py

@@ -88,7 +88,7 @@ def pre_exec():
                 raise RuntimeError("The subprocess should be created here and is None!")
             if self.sub_process.stdout is not None:
                 for raw_line in iter(self.sub_process.stdout.readline, b''):
-                    line = raw_line.decode(output_encoding).rstrip()
+                    line = raw_line.decode(output_encoding, errors='backslashreplace').rstrip()
                     self.log.info("%s", line)
 
             self.sub_process.wait()

airflow/providers/cncf/kubernetes/utils/pod_manager.py

@@ -220,8 +220,9 @@ def consume_logs(*, since_time: Optional[DateTime] = None, follow: bool = True)
                     ),
                     follow=follow,
                 )
-                for line in logs:
-                    timestamp, message = self.parse_log_line(line.decode('utf-8'))
+                for raw_line in logs:
+                    line = raw_line.decode('utf-8', errors="backslashreplace")
+                    timestamp, message = self.parse_log_line(line)
                     self.log.info(message)
             except BaseHTTPError as e:
                 self.log.warning(

tests/hooks/test_subprocess.py

@@ -96,3 +96,9 @@ def test_should_exec_subprocess(self, mock_popen, mock_temporary_directory):
             stderr=STDOUT,
             stdout=PIPE,
         )
+
+    def test_task_decode(self):
+        hook = SubprocessHook()
+        command = ['bash', '-c', 'printf "This will cause a coding error \\xb1\\xa6\\x01\n"']
+        result = hook.run_command(command=command)
+        assert result.exit_code == 0