diff --git a/routing_algorithms/alternative_path.hpp b/routing_algorithms/alternative_path.hpp
index 327bb329f..5e56147f6 100644
--- a/routing_algorithms/alternative_path.hpp
+++ b/routing_algorithms/alternative_path.hpp
@@ -429,7 +429,7 @@ class AlternativeRouting final
         // partial unpacking, compute sharing
         // First partially unpack s-->v until paths deviate, note length of common path.
         const int64_t s_v_min_path_size =
-            std::min(packed_s_v_path.size(), packed_shortest_path.size()) - 1;
+            static_cast<int64_t>(std::min(packed_s_v_path.size(), packed_shortest_path.size())) - 1;
         for (const int64_t current_node : osrm::irange<int64_t>(0, s_v_min_path_size))
         {
             if (packed_s_v_path[current_node] == packed_shortest_path[current_node] &&
@@ -455,7 +455,8 @@ class AlternativeRouting final
         }
         // traverse partially unpacked edge and note common prefix
         const int64_t packed_path_length =
-            std::min(partially_unpacked_via_path.size(), partially_unpacked_shortest_path.size()) -
+            static_cast<int64_t>(std::min(partially_unpacked_via_path.size(),
+                                          partially_unpacked_shortest_path.size())) -
             1;
         for (int64_t current_node = 0; (current_node < packed_path_length) &&
                                            (partially_unpacked_via_path[current_node] ==
@@ -471,8 +472,8 @@ class AlternativeRouting final
         }
 
         // Second, partially unpack v-->t in reverse order until paths deviate and note lengths
-        int64_t via_path_index = packed_v_t_path.size() - 1;
-        int64_t shortest_path_index = packed_shortest_path.size() - 1;
+        int64_t via_path_index = static_cast<int64_t>(packed_v_t_path.size()) - 1;
+        int64_t shortest_path_index = static_cast<int64_t>(packed_shortest_path.size()) - 1;
         for (; via_path_index > 0 && shortest_path_index > 0;
              --via_path_index, --shortest_path_index)
         {
diff --git a/util/json_renderer.hpp b/util/json_renderer.hpp
index cf3318059..09d7bb251 100644
--- a/util/json_renderer.hpp
+++ b/util/json_renderer.hpp
@@ -76,7 +76,7 @@ struct Renderer : mapbox::util::static_visitor<>
     void operator()(const Array &array) const
     {
         out << "[";
-        for (auto it = array.values.cend(), end = array.values.cend(); it != end;)
+        for (auto it = array.values.cbegin(), end = array.values.cend(); it != end;)
         {
             mapbox::util::apply_visitor(Renderer(out), *it);
             if (++it != end)
diff --git a/util/routed_options.hpp b/util/routed_options.hpp
index 0edb7fe6c..93320f07e 100644
--- a/util/routed_options.hpp
+++ b/util/routed_options.hpp
@@ -80,16 +80,7 @@ inline void populate_base_path(ServerPaths &server_paths)
     if (path_iterator == server_paths.end() ||
         !boost::filesystem::is_regular_file(path_iterator->second))
     {
-        if (path_iterator == server_paths.end())
-        {
-            SimpleLogger().Write() << "hsgrdata unset";
-        }
-        if (!boost::filesystem::is_regular_file(path_iterator->second))
-        {
-            SimpleLogger().Write() << "not a regular file";
-        }
-
-        throw osrm::exception(".hsgr not found: " + path_iterator->second.string());
+        throw osrm::exception(".hsgr not found");
     }
 
     path_iterator = server_paths.find("nodesdata");