Server crash on some HTTP-requests

Description

The server crashes in some cases. If the HTTP-request is a string or the number is too large.

Reproduse the crash

To reproduse the crash run "buggy-web-server", open a terminal and use telnet to connect to the server. Then send a HTTP-request with the HTTP-version as a string or a large number

telnet localhost 8080
GET / HTTP/Hallo
GET /HTTP/1111111111111111111111111111111111111111

Backtrace

* thread #1, name = 'web_server', stop reason = signal SIGABRT
  * frame #0: 0x00007fe5dbae7355 libc.so.6`raise + 325
    frame #1: 0x00007fe5dbad0853 libc.so.6`abort + 295
    frame #2: 0x00007fe5dbe6986a libstdc++.so.6`__gnu_cxx::__verbose_terminate_handler() (.cold) at vterminate.cc:95:10
    frame #3: 0x00007fe5dbe75d8a libstdc++.so.6`__cxxabiv1::__terminate(void (*)()) at eh_terminate.cc:48:15
    frame #4: 0x00007fe5dbe75df7 libstdc++.so.6`std::terminate() at eh_terminate.cc:58:15
    frame #5: 0x00007fe5dbe7609e libstdc++.so.6`__cxxabiv1::__cxa_throw(obj=<unavailable>, tinfo=<unavailable>, dest=<unavailable>)(void *)) at eh_throw.cc:95:18
    frame #6: 0x00007fe5dbe6c501 libstdc++.so.6`std::__throw_invalid_argument(__s="stof") at functexcept.cc:74:5
    frame #7: 0x0000561fd7ebd63c web_server`float __gnu_cxx::__stoa<float, float, char>(__convf=(libc.so.6`strtof), __name="stof", __str=" Hallo", __idx=0x0000000000000000)(char const*, char**), char const*, char const*, unsigned long*) at string_conversions.h:83:31
    frame #8: 0x0000561fd7eaf09f web_server`std::__cxx11::stof(__str=" Hallo", __idx=0x0000000000000000) at basic_string.h:6573:29
    frame #9: 0x0000561fd7eccba3 web_server`SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::write(this=0x0000561fd9a3cae0, ec=0x00007ffde6689c40)>&)::'lambda'(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*)::operator()(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*) const::'lambda'(boost::system::error_code const&)::operator()(boost::system::error_code const&) const at server_http.hpp:765:25
    frame #10: 0x0000561fd7edd8b9 web_server`boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> std::__invoke_impl<void, SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::write((null)=__invoke_other @ 0x00007ffde66896e0, __f=0x0000561fd9a3cae0, (null)=0x00007ffde6689c40)>&)::'lambda'(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*)::operator()(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*) const::'lambda'(boost::system::error_code const&)&, boost::system::error_code const&>(std::__invoke_other, 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*)::operator()(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*) const::'lambda'(boost::system::error_code const&)&, boost::system::error_code const&) at invoke.h:60:36
    frame #11: 0x0000561fd7edaa84 web_server`_ZSt10__invoke_rIvRZZN9SimpleWeb10ServerBaseIN5boost4asio19basic_stream_socketINS3_2ip3tcpENS3_8executorEEEE5writeERKSt10shared_ptrINS9_7SessionEERSt8functionIFvSA_INS9_8ResponseEESA_INS9_7RequestEEEEENKUlPSG_E_clESN_EUlRKNS2_6system10error_codeEE_JSS_EENSt9enable_ifIXsrSt6__and_IJSt7is_voidIT_ESt14__is_invocableIT0_JDpT1_EEEE5valueESY_E4typeEOS11_DpOS12_(__fn=0x0000561fd9a3cae0, (null)=0x00007ffde6689c40) at invoke.h:153:33
    frame #12: 0x0000561fd7ed71d8 web_server`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*)::operator()(SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response*) const::'lambda'(boost::system::error_code const&)>::_M_invoke(__functor=0x00007ffde6689c20, __args#0=0x00007ffde6689c40) at std_function.h:291:30
    frame #13: 0x0000561fd7ed7305 web_server`std::function<void (boost::system::error_code const&)>::operator(this=0x00007ffde6689c20, __args#0=0x00007ffde6689c40)(boost::system::error_code const&) const at std_function.h:622:14
    frame #14: 0x0000561fd7ed26f1 web_server`SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::Response::send_on_delete(this=0x00007ffde6689c10, ec=0x00007ffde6689c40, (null)=74)> const&)::'lambda'(boost::system::error_code const&, unsigned long)::operator()(boost::system::error_code const&, unsigned long) const at server_http.hpp:118:21
    frame #15: 0x0000561fd7ef03b5 web_server`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)>::operator(this=0x00007ffde6689bf8, ec=0x00007ffde6689c40, bytes_transferred=74, start=0)(boost::system::error_code const&, unsigned long, int) at write.hpp:590:17
    frame #16: 0x0000561fd7f0e8ae web_server`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)> >::operator(this=0x00007ffde6689bd0, ec=0x00007ffde6689c40, bytes_transferred=74, start=0)(boost::system::error_code const&, unsigned long, int) at write.hpp:338:17
    frame #17: 0x0000561fd7f1977c web_server`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)> >, boost::system::error_code, unsigned long>::operator(this=0x00007ffde6689bd0)() at bind_handler.hpp:164:13
    frame #18: 0x0000561fd7f19847 web_server`void 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)> >, boost::system::error_code, unsigned long> >(function=0x00007ffde6689bd0) at handler_invoke_hook.hpp:69:11
    frame #19: 0x0000561fd7f197dc web_server`void 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)> >, 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)>(function=0x00007ffde6689bd0, context=0x00007ffde6689c10)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, boost::system::error_code, unsigned long>&) at handler_invoke_helpers.hpp:37:22
    frame #20: 0x0000561fd7f197a6 web_server`void 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)> >, 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, 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)>(function=0x00007ffde6689bd0, this_handler=0x00007ffde6689bf8)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, 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>*) at write.hpp:638:46
    frame #21: 0x0000561fd7f196f6 web_server`void 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)> >, 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)> >(function=0x00007ffde6689bd0, context=0x00007ffde6689bf8)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, boost::system::error_code, unsigned long>&) at handler_invoke_helpers.hpp:37:22
    frame #22: 0x0000561fd7f19473 web_server`void 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)> >, 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, 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)> >(function=0x00007ffde6689bd0, this_handler=0x00007ffde6689bd0)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, 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>*) at write.hpp:393:46
    frame #23: 0x0000561fd7f192ff web_server`void 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)> >, 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)> > >(function=0x00007ffde6689bd0, context=0x00007ffde6689bd0)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, boost::system::error_code, unsigned long>&) at handler_invoke_helpers.hpp:37:22
    frame #24: 0x0000561fd7f1905f web_server`void 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)> >, 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)> >, boost::system::error_code, unsigned long>(function=0x00007ffde6689bd0, this_handler=0x00007ffde6689bd0)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, 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)> >, boost::system::error_code>*) at bind_handler.hpp:207:44
    frame #25: 0x0000561fd7f18da2 web_server`void 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)> >, 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)> >, boost::system::error_code, unsigned long> >(function=0x00007ffde6689bd0, context=0x00007ffde6689bd0)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, boost::system::error_code, unsigned long>&) at handler_invoke_helpers.hpp:37:22
    frame #26: 0x0000561fd7f18b7f web_server`void 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(this=0x00007ffde6689bc0, f=0x00007ffde6689bd0, a=0x00007ffde6689b37)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, boost::system::error_code, unsigned long>, std::allocator<void> >(boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor>&&, 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)> >, boost::system::error_code, unsigned long> const&) const at io_object_executor.hpp:119:50
    frame #27: 0x0000561fd7f188e7 web_server`void 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)> >, boost::asio::detail::io_object_executor<boost::asio::executor>, boost::asio::detail::io_object_executor<boost::asio::executor> >::complete<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(this=0x00007ffde6689bb0, function=0x00007ffde6689bd0, handler=0x00007ffde6689bd0)> const&)::'lambda'(boost::system::error_code const&, unsigned long)> >, 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)> >, 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)> >&) at handler_work.hpp:72:23
    frame #28: 0x0000561fd7f1843e web_server`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)> >, boost::asio::detail::io_object_executor<boost::asio::executor> >::do_complete(owner=0x0000561fd9a3c700, base=0x0000561fd9a3fb20, (null)=0x00007ffde6689e00, (null)=0) at reactive_socket_send_op.hpp:122:17
    frame #29: 0x0000561fd7eb0d74 web_server`boost::asio::detail::scheduler_operation::complete(this=0x0000561fd9a3fb20, owner=0x0000561fd9a3c700, ec=0x00007ffde6689e00, bytes_transferred=0) at scheduler_operation.hpp:40:10
    frame #30: 0x0000561fd7eb5f8c web_server`boost::asio::detail::scheduler::do_run_one(this=0x0000561fd9a3c700, lock=0x00007ffde6689d50, this_thread=0x00007ffde6689d80, ec=0x00007ffde6689e00) at scheduler.ipp:447:20
    frame #31: 0x0000561fd7eb5908 web_server`boost::asio::detail::scheduler::run(this=0x0000561fd9a3c700, ec=0x00007ffde6689e00) at scheduler.ipp:200:20
    frame #32: 0x0000561fd7eb6486 web_server`boost::asio::io_context::run(this=0x0000561fd9a3c6e0) at io_context.ipp:63:27
    frame #33: 0x0000561fd7ec2a65 web_server`SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::executor> >::start(this=0x00007ffde6689fb0, callback=0x00007ffde6689f70)> const&) at server_http.hpp:463:26
    frame #34: 0x0000561fd7eae012 web_server`main at main.cpp:16:15
    frame #35: 0x00007fe5dbad2002 libc.so.6`__libc_start_main + 242
    frame #36: 0x0000561fd7eadd1e web_server`_start + 46