Fixes handling the case where there is no status reported from celery (due to external termination of the worker) (#12040)

src/documents/parsers.py

@@ -150,7 +150,15 @@ def run_convert(
 ) -> None:
     environment = os.environ.copy()
     if settings.CONVERT_MEMORY_LIMIT:
+        # MAGICK_MEMORY_LIMIT sets the maximum amount of RAM the pixel cache can use.
+        # MAGICK_MAP_LIMIT sets the maximum amount of memory-mapped I/O allowed.
+        #
+        # For large-format documents  ImageMagick will hit the RAM limit and
+        # immediately try to "map" the remaining data. If MAGICK_MAP_LIMIT isn't
+        # also set, the process may trigger an OOM kill because the default
+        # system/policy map limit is often too restrictive for these massive bitmaps.
         environment["MAGICK_MEMORY_LIMIT"] = settings.CONVERT_MEMORY_LIMIT
+        environment["MAGICK_MAP_LIMIT"] = settings.CONVERT_MEMORY_LIMIT
     if settings.CONVERT_TMPDIR:
         environment["MAGICK_TMPDIR"] = settings.CONVERT_TMPDIR
 

src/documents/signals/handlers.py

@@ -936,7 +936,7 @@ def task_postrun_handler(
         task_instance = PaperlessTask.objects.filter(task_id=task_id).first()
 
         if task_instance is not None:
-            task_instance.status = state
+            task_instance.status = state or states.FAILURE
             task_instance.result = retval
             task_instance.date_done = timezone.now()
             task_instance.save()