bug fix

paddle/fluid/operators/detail/grpc_client.cc

@@ -234,7 +234,7 @@ void GRPCClient::AsyncCheckpointNotify(const std::string& ep,
                                        int64_t time_out) {
   const auto ch = GetChannel(ep);
   CheckpointNotifyProcessor* s = new CheckpointNotifyProcessor(ch);
-  s.prepare(time_out);
+  s->Prepare(time_out);
 
   sendrecv::CheckpointMessage req;
   req.set_notify_type(CHECKPOINT_SAVE_MESSAGE);

paddle/fluid/operators/detail/grpc_client.h

@@ -177,7 +177,7 @@ class CheckpointNotifyProcessor : public BaseProcessor {
   virtual void Process() {}
   sendrecv::VoidMessage reply_;
   std::unique_ptr<sendrecv::SendRecvService::Stub> stub_;
-}
+};
 
 class GRPCClient : public RPCClient {
  public:

paddle/fluid/operators/detail/request_handler_impl.cc

@@ -124,7 +124,7 @@ bool RequestCheckpointHandler::Handle(const std::string& varname,
                                       framework::Variable* invar,
                                       framework::Variable** outvar,
                                       const std::string& out_var_name) {
-  executor_->RunPreparedContext(checkpoint_prepared_ctx_);
+  executor_->RunPreparedContext(checkpoint_prepared_ctx_, scope);
   return true;
 }