[报错] [TensorBoard] [TensorFlow] ValueError: Duplicate plugins for name projector

问题描述

主要就是已下报错：

ValueError: Duplicate plugins for name projector

完整信息：

Traceback (most recent call last):
  File "c:\programdata\anaconda3\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "c:\programdata\anaconda3\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\ProgramData\Anaconda3\Scripts\tensorboard.exe\__main__.py", line 9, in <module>
  File "c:\programdata\anaconda3\lib\site-packages\tensorboard\main.py", line 64, in run_main
    app.run(tensorboard.main, flags_parser=tensorboard.configure)
  File "c:\programdata\anaconda3\lib\site-packages\absl\app.py", line 299, in run
    _run_main(main, args)
  File "c:\programdata\anaconda3\lib\site-packages\absl\app.py", line 250, in _run_main
    sys.exit(main(argv))
  File "c:\programdata\anaconda3\lib\site-packages\tensorboard\program.py", line 220, in main
    server = self._make_server()
  File "c:\programdata\anaconda3\lib\site-packages\tensorboard\program.py", line 299, in _make_server
    self.assets_zip_provider)
  File "c:\programdata\anaconda3\lib\site-packages\tensorboard\backend\application.py", line 157, in standard_tensorboard_wsgi
    flags, plugin_loaders, data_provider, assets_zip_provider, multiplexer)
  File "c:\programdata\anaconda3\lib\site-packages\tensorboard\backend\application.py", line 225, in TensorBoardWSGIApp
    return TensorBoardWSGI(tbplugins, flags.path_prefix)
  File "c:\programdata\anaconda3\lib\site-packages\tensorboard\backend\application.py", line 277, in __init__
    raise ValueError('Duplicate plugins for name %s' % plugin.plugin_name)
ValueError: Duplicate plugins for name projector

环境

• Windows 10
• TensorFlow 2.0.0-rc1

解决方案

根据网友 Mageswaran [1] 的说法，是因为安装了多个 tensorboard 的问题。
首先检查当前环境下包安装的情况

pip list

Package                            Version
---------------------------------- --------------------
absl-py                            0.8.0
alabaster                          0.7.12
...
tb-nightly                         1.15.0a20190806
tblib                              1.4.0
tensorboard                        2.0.0
tensorflow-gpu                     2.0.0rc1
...

如上所示，除了tensorboard，还有一个奇怪的tb-nightly。
然后我卸载了这两个包，重新安装了tensorboard，然后一切正常。

Reference

1. Mageswaran. (September 12, 2019). ValueError: Duplicate plugins for name projector. Retrieved from https://stackoverflow.com/questions/57228487/valueerror-duplicate-plugins-for-name-projector