[traj_server] process has died

[xxyLA]

To run the example roslaunch exploration_manager exploration.launch and rviz.launch, when click 2D Nav， the following appears：
open set empty, no path!
use node num: 1
iter num: 1
[ERROR] [1689855633.519350713]: search 1 fail
and then
Stack trace (most recent call last):
#14 Object "[0xffffffffffffffff]", at 0xffffffffffffffff, in
#13 Object "/home/x/WS/devel/lib/plan_manage/traj_server", at 0x55e7d1559c09, in start
#12 Object "/lib/x86_64-linux-gnu/libc.so.6", at 0x7f478a7ecc86, in libc_start_main
#11 Object "/home/x/WS/devel/lib/plan_manage/traj_server", at 0x55e7d15591cb, in main
#10 Object "/opt/ros/melodic/lib/libroscpp.so", at 0x7f478be9e37a, in ros::spin()
#9 Object "/opt/ros/melodic/lib/libroscpp.so", at 0x7f478beb5a38, in ros::SingleThreadedSpinner::spin(ros::CallbackQueue*)
#8 Object "/opt/ros/melodic/lib/libroscpp.so", at 0x7f478be5e2fa, in ros::CallbackQueue::callAvailable(ros::WallDuration)
#7 Object "/opt/ros/melodic/lib/libroscpp.so", at 0x7f478be5c558, in ros::CallbackQueue::callOneCB(ros::CallbackQueue::TLS*)
#6 Object "/opt/ros/melodic/lib/libroscpp.so", at 0x7f478beb1e91, in ros::SubscriptionQueue::call()
#5 Object "/home/x/WS/devel/lib/plan_manage/traj_server", at 0x55e7d156cae5, in ros::SubscriptionCallbackHelperT<boost::shared_ptr<bspline::Bspline<std::allocator > const> const&, void>::call(ros::SubscriptionCallbackHelperCallParams&)
#4 Object "/home/x/WS/devel/lib/plan_manage/traj_server", at 0x55e7d1569dfd, in boost::detail::function::void_function_obj_invoker1<boost::function<void (boost::shared_ptr<bspline::Bspline<std::allocator > const> const&)>, void, boost::shared_ptr<bspline::Bspline<std::allocator > const> >::invoke(boost::detail::function::function_buffer&, boost::shared_ptr<bspline::Bspline_<std::allocator > const>)
#3 Object "/home/x/WS/devel/lib/plan_manage/traj_server", at 0x55e7d155ce45, in bsplineCallback(boost::shared_ptr<bspline::Bspline_<std::allocator > const> const&)
#2 Object "/home/x/WS/devel/lib/libbspline.so", at 0x7f478c10d4f0, in fast_planner::NonUniformBspline::getDerivative()
#1 Object "/home/x/WS/devel/lib/libbspline.so", at 0x7f478c10d0a4, in fast_planner::NonUniformBspline::NonUniformBspline(Eigen::Matrix<double, -1, -1, 0, -1, -1> const&, int const&, double const&)
#0 Object "/home/x/WS/devel/lib/libbspline.so", at 0x7f478c10ccf5, in fast_planner::NonUniformBspline::setUniformBspline(Eigen::Matrix<double, -1, -1, 0, -1, -1> const&, int const&, double const&)
Segmentation fault (Signal sent by the kernel [(nil)])

[traj_server-2] process has died [pid 30944, exit code -11, cmd /home/x/WS/devel/lib/plan_manage/traj_server /position_cmd:=planning/pos_cmd /odom_world:=/state_ukf/odom __name:=traj_server __log:=/home/x/.ros/log/c0f39336-26f7-11ee-bc6e-0242ec24927f/traj_server-2.log].
log file: /home/x/.ros/log/c0f39336-26f7-11ee-bc6e-0242ec24927f/traj_server-2*.log

The demo of UAV in rviz is stuck.Seek for help.
Ubuntu18.04

[percyhzy]

在kinodynamic_astar.cpp中第654行添加return返回值