PyCharm 使用visdom出错：ConnectionRefusedError: [WinError 10061] 由于目标计算机积极拒绝，无法连接

环境

win10、pycharm、python3.7、pytorch1.7、Anaconda3、已安装visdom

报错

ConnectionRefusedError: [WinError 10061] 由于目标计算机积极拒绝，无法连接

定位错误原因

visdom启动失败，需要激活visdom服务器

解决方法

打开Anaconda prompt（Anaconda3）
激活pytorch，输入conda activate pytorch
输入python -m visdom.server，但是报错ModuleNotFoundError: No module named ‘jsonpatch’

 (pytorch) C:Usershp>python -m visdom.server
Traceback (most recent call last):
  File "D:Anaconda3envspytorchlibrunpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "D:Anaconda3envspytorchlibrunpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "D:Anaconda3envspytorchlibsite-packagesvisdomserver.py", line 20, in 
    import jsonpatch
ModuleNotFoundError: No module named 'jsonpatch'

在这里下载jsonpatch-0.8.tar.gz（我的环境下这个版本适用），把它放到你的目录下，例如我放到C:Usershp这个路径下，然后输入pip install jsonpatch-0.8.tar.gz

 (pytorch) C:Usershp>pip install jsonpatch-0.8.tar.gz
Processing c:usershpjsonpatch-0.8.tar.gz
Building wheels for collected packages: jsonpatch
  Building wheel for jsonpatch (setup.py) ... done
  Created wheel for jsonpatch: filename=jsonpatch-0.8-py3-none-any.whl size=5392 sha256=4b88ecb74799213f7bb19564817dc513142566f4099435a7546d2526569408e3
  Stored in directory: c:usershpappdatalocalpipcachewheels6217192eddcd622ec6d4b4d1d89a2f3f23588748ce930cdbbfc52974
Successfully built jsonpatch
Installing collected packages: jsonpatch
Successfully installed jsonpatch-0.8

输入python -m visdom.server，但是报错ModuleNotFoundError: No module named ‘jsonpointer’

  (pytorch) C:Usershp>python -m visdom.server
Traceback (most recent call last):
  File "D:Anaconda3envspytorchlibrunpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "D:Anaconda3envspytorchlibrunpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "D:Anaconda3envspytorchlibsite-packagesvisdomserver.py", line 20, in 
    import jsonpatch
  File "D:Anaconda3envspytorchlibsite-packagesjsonpatch.py", line 51, in 
    import jsonpointer
ModuleNotFoundError: No module named 'jsonpointer'

于是在这里下载jsonpointer-0.7.tar.gz，把它放到你的目录下，例如我放到C:Usershp这个路径下，然后输入pip install jsonpointer-0.7.tar.gz

(pytorch) C:Usershp>pip install jsonpointer-0.7.tar.gz
 Processing c:usershpjsonpointer-0.7.tar.gz
Building wheels for collected packages: jsonpointer
  Building wheel for jsonpointer (setup.py) ... done
  Created wheel for jsonpointer: filename=jsonpointer-0.7-py3-none-any.whl size=3830 sha256=063c9c658d87fa460f436f91605c8923ef0a9bd29ec600be292abaa15180b51f
  Stored in directory: c:usershpappdatalocalpipcachewheels7873c82a7e28e453ba25e9e5768235269b23dd87447440b1b1ff6ef0
Successfully built jsonpointer
Installing collected packages: jsonpointer
Successfully installed jsonpointer-0.7

再次输入python -m visdom.server，成功

(pytorch) C:Usershp>python -m visdom.server
D:Anaconda3envspytorchlibsite-packagesvisdomserver.py:39: DeprecationWarning: zmq.eventloop.ioloop is deprecated in pyzmq 17. pyzmq now works with default tornado and asyncio eventloops.
  ioloop.install()  # Needs to happen before any tornado imports!
It's Alive!
INFO:root:Application Started
You can navigate to http://localhost:8097

注意

在上述我的环境中，运行使用visdom的程序时，要在Anaconda prompt中，先激活pytorch，再激活visdom服务器，并且保持窗口，不能关闭窗口，否则还会报错ConnectionRefusedError: [WinError 10061] 由于目标计算机积极拒绝，无法连接
具体命令是

conda activate pytorch
python -m visdom.server

参考博客

博客1
博客2

PyCharm 使用visdom出错：ConnectionRefusedError: [WinError 10061] 由于目标计算机积极拒绝，无法连接

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