Handle rmw_fastrtps_dynamic_cpp client typesupport errors too

Signed-off-by: Michel Hidalgo <[email protected]>
ros2 · Dec 15, 2020 · b45a8ec · b45a8ec
1 parent 11d0162
commit b45a8ec
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/rmw_fastrtps_dynamic_cpp/src/rmw_client.cpp b/rmw_fastrtps_dynamic_cpp/src/rmw_client.cpp
@@ -97,12 +97,19 @@ rmw_create_client(
   const rosidl_service_type_support_t * type_support = get_service_typesupport_handle(
     type_supports, rosidl_typesupport_introspection_c__identifier);
   if (!type_support) {
+    rcutils_error_string_t prev_error_string = rcutils_get_error_string();
     rcutils_reset_error();
     type_support = get_service_typesupport_handle(
       type_supports, rosidl_typesupport_introspection_cpp::typesupport_identifier);
     if (!type_support) {
+      rcutils_error_string_t error_string = rcutils_get_error_string();
       rcutils_reset_error();
-      RMW_SET_ERROR_MSG("type support not from this implementation");
+      RMW_SET_ERROR_MSG_WITH_FORMAT_STRING(
+        "Type support not from this implementation. Got:\n"
+        "    %s\n"
+        "    %s\n"
+        "while fetching it",
+        prev_error_string.str, error_string.str);
       return nullptr;
     }
   }