#0 0x000000000293a3b8 in vtable for folly::EventBase () #1 0x000000000121cd98 in _ZNO5folly6FutureIN6nebula6StatusEE3viaEPNS_8ExecutorEa () #2 0x00000000012134b6 in nebula::graph::Executor::error(nebula::Status) const () #3 0x000000000132a78d in void folly::detail::function::FunctionTraits&&)>::callSmall::ReturnsFuture::value, std::enable_if::Return>::type folly::futures::detail::FutureBase::thenImplementation, folly::futures::detail::callableResult, false, nebula::Status&&>(nebula::graph::Scheduler::ExecTask&&, folly::futures::detail::argResult::ReturnsFuture::value, std::enable_if::Return>::type, nebula::Status&&>)::{lambda(folly::Try&&)#1}>(folly::detail::function::Data&, folly::Try&&) () #4 0x00000000010d396a in void folly::detail::function::FunctionTraits::callSmall::doCallback()::{lambda()#1}>(folly::detail::function::Data&) () #5 0x00000000010d3f0c in folly::futures::detail::Core::doCallback() () #6 0x000000000132784c in void folly::detail::function::FunctionTraits > >&&)>::callSmall >, {lambda(std::vector >)#1}>::ReturnsFuture::value, std::enable_if::Return>::type folly::futures::detail::FutureBase > >::thenImplementation, std::allocator > const&)::{lambda(std::vector >)#1}, folly::futures::detail::callableResult >, {lambda(std::vector >)#1}>, false, std::vector >&&>(nebula::graph::Scheduler::doScheduleParallel(std::set, std::allocator > const&)::{lambda(std::vector >)#1}&&, folly::futures::detail::argResult >, {lambda(std::vector >)#1}>::ReturnsFuture::value, std::enable_if::Return>::type, std::vector >&&>)::{lambda(folly::Try > >&&)#1}>(folly::detail::function::Data&, folly::Try > >&&) () #7 0x000000000132c8e2 in void folly::detail::function::FunctionTraits::callSmall > >::doCallback()::{lambda()#1}>(folly::detail::function::Data&) () #8 0x000000000132d9bf in folly::futures::detail::Core > >::doCallback() () #9 0x000000000132efe4 in std::_Sp_counted_ptr_inplace*, std::vector, std::allocator > > > >::value_type::value_type, std::allocator*, std::vector, std::allocator > > > >::value_type::value_type> > > folly::collect<__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > > >(__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >, __gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >)::Context, std::allocator*, std::vector, std::allocator > > > >::value_type::value_type, std::allocator*, std::vector, std::allocator > > > >::value_type::value_type> > > folly::collect<__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > > >(__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >, __gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >)::Context>, (__gnu_cxx::_Lock_policy)2>::_M_dispose() () #10 0x000000000109c3b8 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() () #11 0x000000000132c0b8 in bool folly::detail::function::execSmall*, std::vector, std::allocator > > > >::value_type::value_type, std::allocator*, std::vector, std::allocator > > > >::value_type::value_type> > > folly::collect<__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > > >(__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >, __gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >)::{lambda(folly::Try&&)#1}>(folly::detail::function::Op, f---Type to continue, or q to quit--- olly::detail::function::Data*, folly::detail::function::Data) () #12 0x00000000010ceb2b in folly::futures::detail::Core::CoreAndCallbackReference::detach() [clone .isra.0] () #13 0x00000000010d4022 in folly::futures::detail::Core::doCallback() () #14 0x00000000010d3afa in void folly::detail::function::FunctionTraits::callSmall::doCallback()::{lambda()#2}>(folly::detail::function::Data&) () #15 0x000000000109bdb7 in apache::thrift::concurrency::FunctionRunner::run() () #16 0x00000000010aad2a in apache::thrift::concurrency::ThreadManager::ImplT > >::Worker > >::run() () #17 0x0000000001c8535c in apache::thrift::concurrency::PthreadThread::threadMain(void*) () #18 0x00007f5442edbe65 in start_thread () from /lib64/libpthread.so.0 #19 0x00007f5442c0488d in clone () from /lib64/libc.so.6 #0 0x000000000123176e in std::pair, std::allocator > const, std::__cxx11::basic_string, std::allocator > >, false, true>, bool> std::_Hashtable, std::allocator >, std::pair, std::allocator > const, std::__cxx11::basic_string, std::allocator > >, std::allocator, std::allocator > const, std::__cxx11::basic_string, std::allocator > > >, std::__detail::_Select1st, std::equal_to, std::allocator > >, std::hash, std::allocator > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits >::_M_emplace, std::allocator > >(std::integral_constant, char const (&) [15], std::__cxx11::basic_string, std::allocator >&&) () Missing separate debuginfos, use: debuginfo-install nebula-graph-2.0.1-1.x86_64 (gdb) bt #0 0x000000000123176e in std::pair, std::allocator > const, std::__cxx11::basic_string, std::allocator > >, false, true>, bool> std::_Hashtable, std::allocator >, std::pair, std::allocator > const, std::__cxx11::basic_string, std::allocator > >, std::allocator, std::allocator > const, std::__cxx11::basic_string, std::allocator > > >, std::__detail::_Select1st, std::equal_to, std::allocator > >, std::hash, std::allocator > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits >::_M_emplace, std::allocator > >(std::integral_constant, char const (&) [15], std::__cxx11::basic_string, std::allocator >&&) () #1 0x000000000122f414 in _ZN5folly6detail8function14FunctionTraitsIFvONS_3TryIN6nebula7storage18StorageRpcResponseINS5_4cpp220GetNeighborsResponseEEEEEEE9callSmallIZNS_7futures6detail10FutureBaseIS9_E18thenImplementationIZNOS_6FutureIS9_E6ensureIZNS4_5graph20GetNeighborsExecutor12getNeighborsEvEUlvE_EESL_OT_EUlSB_E_NSG_14callableResultIS9_SS_EELb1EJSB_EEENSt9enable_ifIXsrNT0_13ReturnsFutureE5valueENSW_6ReturnEE4typeESR_NSG_9argResultIXT1_ESQ_JDpT2_EEEEUlSB_E_EEvRNS1_4DataESB_ () #2 0x00000000012321ca in void folly::detail::function::FunctionTraits::callSmall >::doCallback()::{lambda()#2}>(folly::detail::function::Data&) () #3 0x000000000109bdb7 in apache::thrift::concurrency::FunctionRunner::run() () #4 0x00000000010aad2a in apache::thrift::concurrency::ThreadManager::ImplT > >::Worker > >::run() () #5 0x0000000001c8535c in apache::thrift::concurrency::PthreadThread::threadMain(void*) () #6 0x00007ff90835ce65 in start_thread () from /lib64/libpthread.so.0 #7 0x00007ff90808588d in clone () from /lib64/libc.so.6 #0 0x00007f94a7c62e63 in epoll_wait () from /lib64/libc.so.6 #1 0x0000000001e93405 in ?? () #2 0x0000000001e8a188 in event_base_loop () #3 0x0000000001e106da in folly::EventBase::loopBody(int, bool) () #4 0x0000000001e125f4 in folly::EventBase::loopForever() () #5 0x0000000001b72fb4 in apache::thrift::ThriftServer::serve() () #6 0x0000000001082e5a in main ()