From 4e7129c71c3da0248327593202da4da3a1921b91 Mon Sep 17 00:00:00 2001
From: xirvik <community@xirvik.net>
Date: Sat, 19 Sep 2026 02:22:18 +0000
Subject: [PATCH] Keep starting when the DHT cache file is rejected

The router could throw while loading it, stopping rtorrent from starting at all.
---
 src/core/dht_manager.cc | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/core/dht_manager.cc b/src/core/dht_manager.cc
index 611ec72c..d9f3d336 100644
--- a/src/core/dht_manager.cc
+++ b/src/core/dht_manager.cc
@@ -4,6 +4,7 @@
 
 #include <fstream>
 #include <sstream>
+#include <torrent/exceptions.h>
 #include <torrent/object.h>
 #include <torrent/object_stream.h>
 #include <torrent/rate.h>
@@ -62,7 +63,14 @@ DhtManager::load_dht_cache() {
     LT_LOG("could not open cache file (path:%s)", cache_filename.c_str());
   }
 
-  torrent::runtime::network_manager()->dht_controller()->initialize(cache);
+  try {
+    torrent::runtime::network_manager()->dht_controller()->initialize(cache);
+
+  } catch (const torrent::base_error& e) {
+    LT_LOG_ERROR("cache file rejected, discarding (path:%s errmsg:%s)", cache_filename.c_str(), e.what());
+
+    torrent::runtime::network_manager()->dht_controller()->initialize(torrent::Object::create_map());
+  }
 
   if (m_start == dht_on)
     start_dht();