小编Soh*_*kar的帖子

我试图安装mongo-connector上Amazon-EC2 instance使用以下命令:

 pip install mongo-connector

但每次跟随错误都会闪烁:

Exception:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/pip/basecommand.py", line 215, in                                                                                         main
    status = self.run(options, args)
  File "/usr/local/lib/python2.7/site-packages/pip/commands/install.py", line 31                                                                                        7, in run
    prefix=options.prefix_path,
  File "/usr/local/lib/python2.7/site-packages/pip/req/req_set.py", line 736, in                                                                                         install
    requirement.uninstall(auto_confirm=True)
  File "/usr/local/lib/python2.7/site-packages/pip/req/req_install.py", line 742                                                                                        , in uninstall
    paths_to_remove.remove(auto_confirm)
  File "/usr/local/lib/python2.7/site-packages/pip/req/req_uninstall.py", line 1                                                                                        15, in remove
    renames(path, new_path)
  File "/usr/local/lib/python2.7/site-packages/pip/utils/__init__.py", line 267,                                                                                         in renames
    shutil.move(old, new)
  File "/usr/lib64/python2.7/shutil.py", line 300, in move
    rmtree(src)
  File "/usr/lib64/python2.7/shutil.py", line 252, in rmtree
    onerror(os.remove, …

我正在构建一个angularjs应用程序,它有各种控制器.对于两个控制器,我依赖注入相同的服务.是为每个注入它的控制器创建的服务的单独实例吗？