print any collected debug output when returning a timeout error

[nominatim.git] / nominatim / server / falcon / server.py

diff --git a/nominatim/server/falcon/server.py b/nominatim/server/falcon/server.py
index 5ec418a6f3b4aa5ad4c1f287506cb843b3b03504..1551c06257ff405aeca53a1b822ad2577c67ce7e 100644 (file)
--- a/nominatim/server/falcon/server.py
+++ b/nominatim/server/falcon/server.py
@@ -10,11 +10,13 @@ Server implementation using the falcon webserver framework.
 from typing import Optional, Mapping, cast, Any, List
 from pathlib import Path
 import datetime as dt
+import asyncio
 
 from falcon.asgi import App, Request, Response
 
 from nominatim.api import NominatimAPIAsync
 import nominatim.api.v1 as api_impl
+import nominatim.api.logging as loglib
 from nominatim.config import Configuration
 
 class HTTPNominatimError(Exception):
@@ -44,8 +46,15 @@ async def timeout_error_handler(req: Request, resp: Response, #pylint: disable=u
         per exception info.
     """
     resp.status = 503
-    resp.text = "Query took too long to process."
-    resp.content_type = 'text/plain; charset=utf-8'
+
+    loglib.log().comment('Aborted: Query took too long to process.')
+    logdata = loglib.get_and_disable()
+    if logdata:
+        resp.text = logdata
+        resp.content_type = 'text/html; charset=utf-8'
+    else:
+        resp.text = "Query took too long to process."
+        resp.content_type = 'text/plain; charset=utf-8'
 
 
 class ParamWrapper(api_impl.ASGIAdaptor):
@@ -164,6 +173,8 @@ def get_application(project_dir: Path,
               middleware=middleware)
     app.add_error_handler(HTTPNominatimError, nominatim_error_handler)
     app.add_error_handler(TimeoutError, timeout_error_handler)
+    # different from TimeoutError in Python <= 3.10
+    app.add_error_handler(asyncio.TimeoutError, timeout_error_handler)
 
     legacy_urls = api.config.get_bool('SERVE_LEGACY_URLS')
     for name, func in api_impl.ROUTES: