From 0a2509281df6055b0bf45c75b14abe4f0d7822fe Mon Sep 17 00:00:00 2001
From: c4pp4
Date: Fri, 23 Oct 2026 23:15:19 +0200
Subject: [PATCH 1/1] Skip launch events without a known launcher

The actor of a launch event is determined from the desktop file or
the program name of the launcher. Applications started by a program
without a matching desktop file (e.g. autostart applications started
by cinnamon-session) are logged without an actor. The engine rejects
such events ("Incomplete event: interpretation, manifestation and
actor are required") together with all events inserted in the same
batch, including recently used files logged at the start.

Do not log launch events whose launcher is not known.

Signed-off-by: c4pp4
---
 datahub/desktop-launch-listener.vala | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/datahub/desktop-launch-listener.vala b/datahub/desktop-launch-listener.vala
index 791b029..5457c65 100644
--- a/datahub/desktop-launch-listener.vala
+++ b/datahub/desktop-launch-listener.vala
@@ -133,6 +133,14 @@ public class DesktopLaunchListener : DataProvider
       }
     }
 
+    // The engine rejects events without an actor (together with all events
+    // inserted in the same batch)
+    if (launcher_uri == null)
+    {
+      debug ("Unable to find the launcher of '%s'", desktop_file);
+      return;
+    }
+
     if (!dai.should_show ())
     {
       // FIXME: do something else? Log with WORLD_EVENT?
-- 
2.55.0