user in localdev in ~
❯ git clone git@github.com:oatpp/example-postgresql.git
Cloning into 'example-postgresql'...
remote: Enumerating objects: 247, done.
remote: Counting objects: 100% (123/123), done.
remote: Compressing objects: 100% (78/78), done.
remote: Total 247 (delta 62), reused 94 (delta 41), pack-reused 124
Receiving objects: 100% (247/247), 54.04 KiB | 403.00 KiB/s, done.
Resolving deltas: 100% (123/123), done.

user in localdev in ~ took 2s
❯ cd example-postgresql/

user in localdev in example-postgresql on  master via △ v3.20.3
❯ mkdir build && cd build

user in localdev in example-postgresql/build on  master
❯ cmake ..
-- The C compiler identification is GNU 7.3.1
-- The CXX compiler identification is GNU 7.3.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /opt/rh/devtoolset-7/root/usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /opt/rh/devtoolset-7/root/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /home/user/example-postgresql/build

user in localdev in example-postgresql/build on  master via △ v3.20.3
❯ make
[ 14%] Building CXX object CMakeFiles/example-postgresql-lib.dir/src/service/UserService.cpp.o
[ 28%] Building CXX object CMakeFiles/example-postgresql-lib.dir/src/ErrorHandler.cpp.o
[ 42%] Linking CXX static library libexample-postgresql-lib.a
[ 42%] Built target example-postgresql-lib
[ 57%] Building CXX object CMakeFiles/example-postgresql-test.dir/test/tests.cpp.o
[ 71%] Linking CXX executable example-postgresql-test
[ 71%] Built target example-postgresql-test
[ 85%] Building CXX object CMakeFiles/example-postgresql-exe.dir/src/App.cpp.o
[100%] Linking CXX executable example-postgresql-exe
[100%] Built target example-postgresql-exe

user in localdev in example-postgresql/build on  master via △ v3.20.3 took 6s
❯ ./example-postgresql-exe
Segmentation fault (core dumped)

user in localdev in example-postgresql/build on  master via △ v3.20.3
❯ valgrind ./example-postgresql-exe
==607== Memcheck, a memory error detector
==607== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==607== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info
==607== Command: ./example-postgresql-exe
==607==
==607==
==607== Process terminating with default action of signal 11 (SIGSEGV)
==607==  Bad permissions for mapped region at address 0x73BC30
==607==    at 0x73BC33: ??? (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x62E514: void std::allocator_traits<oatpp::base::memory::CustomPoolSharedObjectAllocator<oatpp::base::StrBuffer, oatpp::base::memory::ThreadDistributedMemoryPool> >::destroy<oatpp::base::StrBuffer>(oatpp::base::memory::CustomPoolSharedObjectAllocator<oatpp::base::StrBuffer, oatpp::base::memory::ThreadDistributedMemoryPool>&, oatpp::base::StrBuffer*) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x62C502: std::_Sp_counted_ptr_inplace<oatpp::base::StrBuffer, oatpp::base::memory::CustomPoolSharedObjectAllocator<oatpp::base::StrBuffer, oatpp::base::memory::ThreadDistributedMemoryPool>, (__gnu_cxx::_Lock_policy)2>::_M_dispose() (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x6A5778: oatpp::base::StrBuffer::allocShared(void const*, long, bool) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x5F9108: oatpp::base::StrBuffer::createFromCString(char const*, bool) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x5F9224: oatpp::data::mapping::type::String::String(char const*, bool) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x5FCF8C: oatpp::parser::json::mapping::Serializer::Config::Config() (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x62539D: void __gnu_cxx::new_allocator<oatpp::parser::json::mapping::Serializer::Config>::construct<oatpp::parser::json::mapping::Serializer::Config>(oatpp::parser::json::mapping::Serializer::Config*) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x622834: void std::allocator_traits<std::allocator<oatpp::parser::json::mapping::Serializer::Config> >::construct<oatpp::parser::json::mapping::Serializer::Config>(std::allocator<oatpp::parser::json::mapping::Serializer::Config>&, oatpp::parser::json::mapping::Serializer::Config*) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x61E370: std::_Sp_counted_ptr_inplace<oatpp::parser::json::mapping::Serializer::Config, std::allocator<oatpp::parser::json::mapping::Serializer::Config>, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<>(std::allocator<oatpp::parser::json::mapping::Serializer::Config>) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x619895: std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<oatpp::parser::json::mapping::Serializer::Config, std::allocator<oatpp::parser::json::mapping::Serializer::Config>>(std::_Sp_make_shared_tag, oatpp::parser::json::mapping::Serializer::Config*, std::allocator<oatpp::parser::json::mapping::Serializer::Config> const&) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==    by 0x614C65: std::__shared_ptr<oatpp::parser::json::mapping::Serializer::Config, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<oatpp::parser::json::mapping::Serializer::Config>>(std::_Sp_make_shared_tag, std::allocator<oatpp::parser::json::mapping::Serializer::Config> const&) (in /home/user/example-postgresql/build/example-postgresql-exe)
==607==
==607== HEAP SUMMARY:
==607==     in use at exit: 48,662 bytes in 74 blocks
==607==   total heap usage: 89 allocs, 15 frees, 49,636 bytes allocated
==607==
==607== LEAK SUMMARY:
==607==    definitely lost: 0 bytes in 0 blocks
==607==    indirectly lost: 0 bytes in 0 blocks
==607==      possibly lost: 0 bytes in 0 blocks
==607==    still reachable: 48,662 bytes in 74 blocks
==607==                       of which reachable via heuristic:
==607==                         stdstring          : 590 bytes in 10 blocks
==607==         suppressed: 0 bytes in 0 blocks
==607== Rerun with --leak-check=full to see details of leaked memory
==607==
==607== For lists of detected and suppressed errors, rerun with: -s
==607== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
Segmentation fault (core dumped)