多机训练中出现pure virtual method called。
Created by: kolinwei
End pass 119, train_loss 1.46156001091, train_acc1 0.657408475876, train_acc5 0.855218946934, test_loss 1.24483448955, test_acc1 0.701642628205, test_acc5 0.899799679487 pure virtual method called terminate called without an active exception *** Aborted at 1531063311 (unix time) try "date -d @1531063311" if you are using GNU date *** PC: @ 0x0 (unknown) *** SIGABRT (@0x395e) received by PID 14686 (TID 0x7f7d309e2700) from PID 14686; stack trace: *** @ 0x7f7d305bd390 (unknown) @ 0x7f7d30217428 gsignal @ 0x7f7d3021902a abort @ 0x7f7cef40a84d __gnu_cxx::__verbose_terminate_handler() @ 0x7f7cef4086b6 (unknown) @ 0x7f7cef408701 std::terminate() @ 0x7f7cef40923f __cxa_pure_virtual @ 0x7f7cdd58f696 grpc::Channel::~Channel() @ 0x7f7cdd58f749 grpc::Channel::~Channel() @ 0x7f7cdc7ef319 std::_Sp_counted_base<>::_M_release() @ 0x7f7cdd5537ee paddle::operators::distributed::GRPCClient::~GRPCClient() @ 0x7f7cdd553901 paddle::operators::distributed::GRPCClient::~GRPCClient() @ 0x7f7cdd55a60a std::unique_ptr<>::~unique_ptr() @ 0x7f7d3021bff8 (unknown) @ 0x7f7d3021c045 exit @ 0x7f7d30202837 __libc_start_main @ 0x4933e9 _start @ 0x0 (unknown)