RPC时，对方挂掉，会导致调用者段错误

[yvxiang]

进行RPC调用时，如果对方进程挂掉，会导致调用者进程段错误

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff488f700 (LWP 20041)]
google::protobuf::MessageLite::SerializePartialToCodedStream (this=this@entry=0x7fffd00027d0, output=output@entry=0x7ffff488e330) at google/protobuf/message_lite.cc:235
235 const int size = ByteSize(); // Force size to be cached.
(gdb) bt
#0 google::protobuf::MessageLite::SerializePartialToCodedStream (this=this@entry=0x7fffd00027d0, output=output@entry=0x7ffff488e330) at google/protobuf/message_lite.cc:235
#1 0x00007ffff7b20ee5 in google::protobuf::MessageLite::SerializeToCodedStream (this=this@entry=0x7fffd00027d0, output=output@entry=0x7ffff488e330)

at google/protobuf/message_lite.cc:230

#2 0x00007ffff7b20f1f in google::protobuf::MessageLite::SerializeToZeroCopyStream (this=0x7fffd00027d0, output=) at google/protobuf/message_lite.cc:263
#3 0x000000000048b100 in sofa::pbrpc::RpcClientImpl::CallMethod(google::protobuf::Message const_, google::protobuf::Message_, sofa::pbrpc::shared_ptrsofa::pbrpc::RpcControllerImpl const&) ()
#4 0x00000000004a2fc9 in sofa::pbrpc::SimpleRpcChannelImpl::CallMethod(google::protobuf::MethodDescriptor const_, google::protobuf::RpcController_, google::protobuf::Message const_, google::protobuf::Message_, google::protobuf::Closure*) ()
#5 0x000000000043d342 in bfs::ChunkServer_Stub::WriteBlock (this=0x740070, controller=0x7fffc4000a20, request=0x7fffd00027d0, response=0x7fffc4000940, done=0x7fffc4000e90)

    at src/proto/chunkserver.pb.cc:2720

#6 0x000000000041d89a in bfs::RpcClient::AsyncRequest<bfs::ChunkServer_Stub, bfs::WriteBlockRequest, bfs::WriteBlockResponse, google::protobuf::Closure>(bfs::ChunkServer_Stub_, void (bfs::ChunkServer_Stub::)(google::protobuf::RpcController, bfs::WriteBlockRequest const_, bfs::WriteBlockResponse_, google::protobuf::Closure_), bfs::WriteBlockRequest const_, bfs::WriteBlockResponse_, boost::function<void (bfs::WriteBlockRequest const*, bfs::WriteBlockResponse*, bool, int)>, int, int) (this=0x742fc0, stub=0x740070,

        func=&virtual table offset 48, request=0x7fffd00027d0, response=0x7fffc4000940, callback=..., rpc_timeout=60, retry_times=1) at ./src/rpc/rpc_client.h:86

#7 0x0000000000412b7a in bfs::BfsFileImpl::DelayWriteChunk (this=0x74e740, buffer=0x73f860, request=0x7fffd00027d0, retry_times=0, cs_addr="Porsche:8020")

at src/sdk/bfs.cc:846

#8 0x000000000042f0e5 in boost::_mfi::mf4<void, bfs::BfsFileImpl, bfs::WriteBuffer*, bfs::WriteBlockRequest const*, int, std::string>::operator() (this=0x7fffc4000900,

        p=0x74e740, a1=0x73f860, a2=0x7fffd00027d0, a3=0, a4="Porsche:8020") at /usr/include/boost/bind/mem_fn_template.hpp:506

#9 0x000000000042e10c in boost::_bi::list5boost::_bi::value<bfs::BfsFileImpl*, boost::_bi::valuebfs::WriteBuffer*, boost::_bi::value<bfs::WriteBlockRequest const*>, boost::_bi::value, boost::_bi::valuestd::string >::operator()<boost::_mfi::mf4<void, bfs::BfsFileImpl, bfs::WriteBuffer*, bfs::WriteBlockRequest const*, int, std::string>, boost::_bi::list0> (this=0x7fffc4000910, f=..., a=...) at /usr/include/boost/bind/bind.hpp:525
#10 0x000000000042c4e0 in boost::_bi::bind_t<void, boost::_mfi::mf4<void, bfs::BfsFileImpl, bfs::WriteBuffer*, bfs::WriteBlockRequest const*, int, std::string>, boost::_bi::list5boost::_bi::value<bfs::BfsFileImpl*, boost::_bi::valuebfs::WriteBuffer*, boost::_bi::value<bfs::WriteBlockRequest const*>, boost::_bi::value, boost::_bi::valuestd::string > >::operator() (this=0x7fffc4000900) at /usr/include/boost/bind/bind_template.hpp:20
#11 0x0000000000429cca in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf4<void, bfs::BfsFileImpl, bfs::WriteBuffer*, bfs::WriteBlockRequest const*, int, std::string>, boost::_bi::list5boost::_bi::value<bfs::BfsFileImpl*, boost::_bi::valuebfs::WriteBuffer*, boost::_bi::value<bfs::WriteBlockRequest const*>, boost::_bi::value, boost::_bi::valuestd::string > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#12 0x000000000041a6a5 in boost::function0::operator() (this=0x7ffff488ee40) at /usr/include/boost/function/function_template.hpp:767
#13 0x00000000004165de in common::ThreadPool::ThreadProc (this=0x738c80 bfs::g_thread_pool) at ./src/common/thread_pool.h:171
#14 0x00000000004162ce in common::ThreadPool::ThreadWrapper (arg=0x738c80 bfs::g_thread_pool) at ./src/common/thread_pool.h:145
#15 0x00007ffff76a50a5 in start_thread (arg=0x7ffff488f700) at pthread_create.c:309
#16 0x00007ffff6c93cfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

[qinzuoyan]

能否给出可以重现case的代码？