Created by: jerryniu520126

• 版本、环境信息：    1）PaddlePaddle版本：1.6.3    2）CPU：

   3）系统环境：Windows 10

• 训练信息    1）多机，单卡

• 复现信息： `#!/bin/bash

start pserver0

python train.py
--train_data_path train.txt
--is_local 0
--role pserver
--endpoints 127.0.0.1:6000,127.0.0.1:6001
--current_endpoint 127.0.0.1:6000
--trainers 2
> pserver0.log 2>&1 &

start pserver1

python train.py
--train_data_path train.txt
--is_local 0
--role pserver
--endpoints 127.0.0.1:6000,127.0.0.1:6001
--current_endpoint 127.0.0.1:6001
--trainers 2
> pserver1.log 2>&1 &

start trainer0

python train.py
--train_data_path train.txt
--is_local 0
--role trainer
--endpoints 127.0.0.1:6000,127.0.0.1:6001
--trainers 2
--trainer_id 0
> trainer0.log 2>&1 &

start trainer1

python train.py
--train_data_path train.txt
--is_local 0
--role trainer
--endpoints 127.0.0.1:6000,127.0.0.1:6001
--trainers 2
--trainer_id 1
> trainer1.log 2>&1 & 运行完这个以后出现如下报错信息：2020-02-06 20:36:59,184-WARNING: paddle.fluid.layers.create_py_reader_by_data() may be deprecated in the near future. Please use paddle.fluid.io.DataLoader.from_generator() instead. 2020-02-06 20:36:59,418-INFO: run dist training Traceback (most recent call last): File "train.py", line 262, in train() File "train.py", line 236, in train t.transpile(args.trainer_id, pservers=args.endpoints, trainers=args.trainers) File "D:\Anaconda3\envs\paddle_env\lib\site-packages\paddle\fluid\transpiler\distribute_transpiler.py", line 699, in transpile splited_grad_varname File "D:\Anaconda3\envs\paddle_env\lib\site-packages\paddle\fluid\framework.py", line 2506, in _insert_op op = Operator(block=self, desc=op_desc, *args, **kwargs) File "D:\Anaconda3\envs\paddle_env\lib\site-packages\paddle\fluid\framework.py", line 1788, in init proto = OpProtoHolder.instance().get_op_proto(type) File "D:\Anaconda3\envs\paddle_env\lib\site-packages\paddle\fluid\framework.py", line 1670, in get_op_proto raise ValueError("Operator "%s" has not been registered." % type) ValueError: Operator "send" has not been registered. `