WSL Ubuntu重装Jupyter后Nbextensions仅显示加载转圈求助

环境：WSL Ubuntu 22.04.3 LTS，Jupyter Notebook 6.1.5（重装系统后通过pip install notebook==6.1.5安装）

按以下步骤安装nbextensions后，Nbextensions标签页持续显示加载转圈图标，无内容展示：

pip install jupyter_contrib_nbextensions
jupyter contrib nbextension install --user
jupyter nbextension enable varInspector/main

相关配置文件内容：

• ~/.jupyter/nbconfig/notebook.json：

{
  "load_extensions": {
    "nbextensions_configurator/config_menu/main": true,
    "contrib_nbextensions_help_item/main": true,
    "varInspector/main": true
  }
}

• ~/.jupyter/nbconfig/tree.json：

{
  "load_extensions": {
    "nbextensions_configurator/tree_tab/main": true
  }
}

• ~/.jupyter/jupyter_nbconvert_config.json：

{
  "version": 1,
  "Exporter": {
    "extra_template_paths": [
      ".",
      "/home/park/anaconda3/envs/surging/lib/python3.9/site-packages/jupyter_contrib_nbextensions/templates"
    ],
    "preprocessors": [
      "jupyter_contrib_nbextensions.nbconvert_support.CodeFoldingPreprocessor",
      "jupyter_contrib_nbextensions.nbconvert_support.PyMarkdownPreprocessor"
    ]
  }
}

1. 补装并启用nbextensions配置器 #

Jupyter Notebook 6.x需配套jupyter_nbextensions_configurator才能正常显示Nbextensions标签页，执行以下命令：

pip install jupyter_nbextensions_configurator --user
jupyter nbextensions_configurator enable --user

2. 强制刷新静态文件并清理缓存 #

重装后可能存在静态文件缓存冲突，重新安装并清理浏览器缓存：

jupyter contrib nbextension install --user --force
jupyter nbextensions_configurator install --user --force

清理浏览器缓存（快捷键Ctrl+Shift+Del）后，重启Jupyter Notebook。

3. 修复配置文件权限与格式 #

• 确保.jupyter文件夹及子文件归属当前用户，避免权限问题：

chown -R $USER:$USER ~/.jupyter

• 若配置文件存在隐性语法问题，可重新生成默认配置：

jupyter notebook --generate-config

4. 排查扩展冲突 #

暂时禁用所有扩展，验证标签页是否能正常加载：

jupyter nbextension disable nbextensions_configurator/config_menu/main
jupyter nbextension disable contrib_nbextensions_help_item/main
jupyter nbextension disable varInspector/main

重启Notebook，若标签页正常显示，再逐个启用扩展，定位冲突项。

5. 统一Python环境依赖 #

确保所有Jupyter相关包都安装在当前激活的conda环境中，避免跨环境冲突：

conda activate surging
pip install --upgrade notebook jupyter_contrib_nbextensions jupyter_nbextensions_configurator

内容的提问来源于stack exchange，提问作者MCPMH