Posit Workbench启动Jupyter Notebook时报错：找不到jupyter_core.command模块

问题详情 #

• 操作系统：RHL9
• Posit Workbench：已按官方步骤完成安装，无报错
• Python环境路径：/opt/python/3.11.5/bin/
• 触发场景：尝试启动Jupyter Notebook会话时抛出错误：

Traceback (most recent call last):
File "/opt/python/3.11.5/bin/jupyter", line 5, in <module>
from jupyter_core.command import main
ModuleNotFoundError: No module named 'jupyter_core.command'

• 异常矛盾点：执行/opt/python/3.11.5/bin/jupyter --version，输出显示jupyter_core已安装（版本5.7.1）：

IPython : 8.21.0
ipykernel : 6.29.2
ipywidgets : 8.1.2
jupyter_client : 7.4.9
jupyter_core : 5.7.1
jupyter_server : 1.24.0
jupyterlab : 3.6.5
nbclient : 0.9.0
nbconvert : 7.16.0
nbformat : 5.9.2
notebook : 6.5.6
qtconsole : 5.5.1
traitlets : 5.14.1

可行解决步骤 #

• 强制重新安装匹配版本的jupyter_core，确保安装路径与当前Python环境绑定：

  /opt/python/3.11.5/bin/pip install --force-reinstall jupyter_core==5.7.1
  

• 检查jupyter启动脚本的有效性：
  打开/opt/python/3.11.5/bin/jupyter文件，确认首行shebang为#!/opt/python/3.11.5/bin/python，且from jupyter_core.command import main语句无拼写错误
• 验证Posit Workbench的环境配置：
  在Workbench管理界面中确认指定的Python解释器路径为/opt/python/3.11.5/bin/python，避免环境变量冲突导致加载错误的模块路径

内容的提问来源于stack exchange，提问作者Daniel Castro