Ignore utf-8 decode error during logging

Author: abhinavsingh

proxy/http/handler.py

@@ -307,7 +307,7 @@ def _parse_first_request(self, data: memoryview) -> bool:
         except Exception as exc:
             logger.exception('Error parsing the request', exc_info=exc)
             raise HttpProtocolException(
-                'Error when parsing request: %s' % data.tobytes().decode('utf-8'),
+                'Error when parsing request: %s' % data.tobytes().decode('utf-8', errors='ignore'),
             )
         if not self.request.is_complete:
             return False