Reading symbols from web_server...
[New LWP 591]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `./web_server'.
Program terminated with signal SIGABRT, Aborted.
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007f9e4fe05859 in __GI_abort () at abort.c:79
#2  0x00007f9e5008b951 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007f9e5009747c in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f9e500974e7 in std::terminate() () from /lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007f9e50097799 in __cxa_throw () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007f9e5008e30e in std::__throw_invalid_argument(char const*) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x000055a65b9c3cbe in __gnu_cxx::__stoa<float, float, char> (__convf=0x7f9e4fe2c6b0 <__GI_strtof>, __name=0x55a65ba29036 "stof", 
    __str=0x55a65d786e60 "test", __idx=0x0) at /usr/include/c++/9/ext/string_conversions.h:83
#8  0x000055a65b9b490c in std::__cxx11::stof (__str="test", __idx=0x0) at /usr/include/c++/9/bits/basic_string.h:6530
#9  0x000055a65b9d4240 in SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::write(std::shared_ptr<SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Session> const&, std::function<void (std::shared_ptr<SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response>, std::shared_ptr<SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Request>)>&)::{lambda(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*)#1}::operator()(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*) const::{lambda(boost::system::error_code const&)#1}::operator()(boost::system::error_code const) const (this=0x7ffd542f9550, ec=...)
    at /home/oneuser/aa02/buggy-web-server/server_http.hpp:766
#10 0x000055a65b9df680 in std::_Function_handler<void (boost::system::error_code const&), SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::write(std::shared_ptr<SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Session> const&, std::function<void (std::shared_ptr<SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response>, std::shared_ptr<SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Request>)>&)::{lambda(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*)#1}::operator()(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*) const::{lambda(boost::system::error_code const&)#1}>::_M_invoke(std::_Any_data const&, boost::system::error_code const&) (__functor=..., __args#0=...) at /usr/include/c++/9/bits/std_function.h:300
#11 0x000055a65b9df807 in std::function<void (boost::system::error_code const&)>::operator()(boost::system::error_code const&) const (
    this=0x7ffd542f91c0, __args#0=...) at /usr/include/c++/9/bits/std_function.h:688
#12 0x000055a65b9da10f in SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}::operator()(boost::system::error_code const&, unsigned long) const (this=0x7ffd542f91b0, ec=...)
    at /home/oneuser/aa02/buggy-web-server/server_http.hpp:118
#13 0x000055a65b9f9d9b in boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>::operator()(boost::system::error_code const&, unsigned long, int) (this=0x7ffd542f9198, ec=..., bytes_transferred=74, start=0) at /usr/include/boost/asio/impl/write.hpp:569
#14 0x000055a65ba19dd0 in boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >::operator()(boost::system::error_code const&, unsigned long, int) (this=0x7ffd542f9170, ec=..., 
    bytes_transferred=74, start=0) at /usr/include/boost/asio/impl/write.hpp:338
#15 0x000055a65ba2514a in boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>::operator()() (this=0x7ffd542f9170)
    at /usr/include/boost/asio/detail/bind_handler.hpp:164
#16 0x000055a65ba25221 in boost::asio::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long> >(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, ...) (function=...)
    at /usr/include/boost/asio/handler_invoke_hook.hpp:69
#17 0x000055a65ba251b2 in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, {lambda(boost::system::error_code const&, unsigned long)#1}>(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, {lambda(boost::system::error_code const&, unsigned long)#1}&) (function=..., context=...)
    at /usr/include/boost/asio/detail/handler_invoke_helpers.hpp:37
#18 0x000055a65ba25178 in boost::asio::detail::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, {lambda(boost::system::error_code const&, unsigned long)#1}>(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, {lambda(boost::system::error_code const&, unsigned long)#1}>*) (function=..., this_handler=0x7ffd542f9198) at /usr/include/boost/asio/impl/write.hpp:617
#19 0x000055a65ba25098 in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}&) (function=..., context=...) at /usr/include/boost/asio/detail/handler_invoke_helpers.hpp:37
#20 0x000055a65ba24dcc in boost::asio::detail::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>*) (function=..., this_handler=0x7ffd542f9170) at /usr/include/boost/asio/impl/write.hpp:393
#21 0x000055a65ba24c3b in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>&) (function=..., context=...)
    at /usr/include/boost/asio/detail/handler_invoke_helpers.hpp:37
#22 0x000055a65ba2496e in boost::asio::detail::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>, boost::system::error_code, unsigned long>(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, boost::asio::detail::binder2<boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>, boost::system::error_code, unsigned long>*) (function=..., this_handler=0x7ffd542f9170) at /usr/include/boost/asio/detail/bind_handler.hpp:207
#23 0x000055a65ba24682 in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> > >(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >&) (function=..., context=...)
    at /usr/include/boost/asio/detail/handler_invoke_helpers.hpp:37
#24 0x000055a65ba24433 in boost::asio::detail::io_object_executor<boost::asio::executor>::dispatch<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>, std::allocator<void> >(boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::system::error_code, unsigned long>&&, std::allocator<void> const&) const (this=0x7ffd542f9160, f=..., a=...) at /usr/include/boost/asio/detail/io_object_executor.hpp:119
#25 0x000055a65ba24179 in boost::asio::detail::handler_work<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::asio::detail::io_object_executor<boost::asio::executor>, boost::asio::detail::io_object_executor>::complete<boost::asio::detail::binder2<boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>, boost::system::error_code, unsigned long> >(boost::asio::detail::binder2<boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>, boost::system::error_code, unsigned long>&, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}>&) (this=0x7ffd542f9150, function=..., 
    handler=...) at /usr/include/boost/asio/detail/handler_work.hpp:72
#26 0x000055a65ba23cd2 in boost::asio::detail::reactive_socket_send_op<boost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::const_buffers_1, boost::asio::const_buffer const*, boost::asio::detail::transfer_all_t, boost::asio::detail::write_dynbuf_v1_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>, boost::asio::basic_streambuf_ref<std::allocator<char> >, boost::asio::detail::transfer_all_t, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(std::function<void (boost::system::error_code const&)> const&)::{lambda(boost::system::error_code const&, unsigned long)#1}> >, boost::asio::detail::io_object_executor<boost::asio::executor> >::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) (owner=0x55a65d786640, base=0x55a65d789a60) at /usr/include/boost/asio/detail/reactive_socket_send_op.hpp:122
#27 0x000055a65b9b6c64 in boost::asio::detail::scheduler_operation::complete (this=0x55a65d789a60, owner=0x55a65d786640, ec=..., 
    bytes_transferred=0) at /usr/include/boost/asio/detail/scheduler_operation.hpp:40
#28 0x000055a65b9bc248 in boost::asio::detail::scheduler::do_run_one (this=0x55a65d786640, lock=..., this_thread=..., ec=...)
    at /usr/include/boost/asio/detail/impl/scheduler.ipp:447
#29 0x000055a65b9bbb84 in boost::asio::detail::scheduler::run (this=0x55a65d786640, ec=...)
    at /usr/include/boost/asio/detail/impl/scheduler.ipp:200
#30 0x000055a65b9bc7a0 in boost::asio::io_context::run (this=0x55a65d786620) at /usr/include/boost/asio/impl/io_context.ipp:63
#31 0x000055a65b9c979d in SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::start(std::function<void (unsigned short)> const&) (this=0x7ffd542f9550, callback=...)
    at /home/oneuser/aa02/buggy-web-server/server_http.hpp:463
#32 0x000055a65b9b3dbd in main () at /home/oneuser/aa02/buggy-web-server/main.cpp:16