diff --git a/src/serve.py b/src/serve.py
index e6d1587..970f24c 100644
--- a/src/serve.py
+++ b/src/serve.py
@@ -48,12 +48,14 @@ def process_request(request_message):
     pipeline = load_pipeline(verbose=IMAGE_CONFIG.service.verbose, batch_size=IMAGE_CONFIG.service.batch_size)
 
     if storage.exists(bucket, target_file_name):
+        logger.info("fetching file for file_id=%s, and daossier_id=%s", file_id, dossier_id)
         # should_publish_result = True
         object_bytes = storage.get_object(bucket, target_file_name)
         object_bytes = gzip.decompress(object_bytes)
         classifications = list(pipeline(pdf=object_bytes))
 
         if storage.exists(bucket, figure_data_file_name):
+            logger.info("fetching figures for file_id=%s, and daossier_id=%s", file_id, dossier_id)
             metadata_bytes = storage.get_object(bucket, figure_data_file_name)
             metadata_bytes = gzip.decompress(metadata_bytes)
             metadata_per_image = json.load(io.BytesIO(metadata_bytes))["data"]
@@ -68,6 +70,7 @@ def process_request(request_message):
 
         return {"dossierId": dossier_id, "fileId": file_id}
     else:
+        logger.info("no files found for file_id=%s, and daossier_id=%s", file_id, dossier_id)
         return None