Properly handle start sync thread issue

matrixgw_backend/src/matrix_connection/matrix_manager.rs

@@ -39,6 +39,15 @@ impl Actor for MatrixManagerActor {
         })
     }
 
+    async fn post_stop(
+        &self,
+        _myself: ActorRef<Self::Msg>,
+        _state: &mut Self::State,
+    ) -> Result<(), ActorProcessingErr> {
+        log::error!("[!] [!] Matrix Manager Actor stopped!");
+        Ok(())
+    }
+
     async fn handle(
         &self,
         myself: ActorRef<Self::Msg>,
@@ -115,8 +124,15 @@ impl Actor for MatrixManagerActor {
                 // Start thread
                 log::debug!("Starting sync thread for {email:?}");
                 let thread_id =
-                    start_sync_thread(client.clone(), state.broadcast_sender.clone(), myself)
+                    match start_sync_thread(client.clone(), state.broadcast_sender.clone(), myself)
-                        .await?;
+                        .await
+                    {
+                        Ok(thread_id) => thread_id,
+                        Err(e) => {
+                            log::error!("Failed to start sync thread! {e}");
+                            return Ok(());
+                        }
+                    };
                 state.running_sync_threads.insert(email, thread_id);
             }
             MatrixManagerMsg::StopSyncThread(email) => {